Effect of Cooling Rate on Powder Characteristics and Microstructural Evolution of Gas Atomized β-Solidifying γ-TiAl Alloy Powder

Sung Hyun Park, Ryosuke Ozasa, Ozkan Gokcekaya, Ken Cho, Hiroyuki Y. Yasuda, Myung Hoon Oh, Young Won Kim, Takayoshi Nakano

Materials Transactions　Vol. 65　No. 2　p. 199-204　2024　Research paper (scientific journal)

Unusual Precipitation at Grain Boundaries in Non-Equiatomic CoCrFeMnNi High Entropy Alloys

Hiroyuki Y. Yasuda, Masaki Horiguchi, Ken Cho, Takahiro Masuda, Takeshi Nagase

Solid State Phenomena　Vol. 353　p. 25-30　2023/12/05　Research paper (scientific journal)

Microstructure Evolution of Gas-Atomized β-Solidifying γ-TiAl Alloy Powder during Subsequent Heat Treatment

Sung Hyun Park, Ozkan Gokcekaya, Ryosuke Ozasa, Ken Cho, Hiroyuki Y. Yasuda, Myung Hoon Oh, Takayoshi Nakano

Crystals　Vol. 13　No. 12　2023/12　Research paper (scientific journal)

低合金鋼の焼戻しマルテンサイトにおける耐水素脆性に及ぼす転位密度の影響

Shinji Yoshida, Yuji Arai, Tomohiko Omura, Ken Cho, Hiroyuki Yasuda

Tetsu-to-Hagane　Vol. 109　No. 10　p. 837-845　2023/10/01　Research paper (scientific journal)

Effect of Scan Speed on Microstructure and Tensile Properties of Ti48Al2Cr2Nb Alloys Fabricated via Additive Manufacturing

Ken Cho, Masahiro Sakata, Hiroyuki Y. Yasuda, Mitsuharu Todai, Minoru Ueda, Masao Takeyama, Takayoshi Nakano

Materials Transactions　Vol. 64　No. 6　p. 1112-1118　2023　Research paper (scientific journal)

Influence of Input Energy Density on Morphology of Unique Layered Microstructure of £-TiAl Alloys Fabricated by Electron Beam Powder Bed Fusion⁺¹

Ken Cho, Naohide Morita, Hiromasa Matsuoka, Hiroyuki Y. Yasuda, Mitsuharu Todai, Minoru Ueda, Masao Takeyama, Takayoshi Nakano

Materials Transactions　Vol. 64　No. 1　p. 44-49　2023　Research paper (scientific journal)

Influence of input energy density on morphology of unique layered microstructure of <i>γ</i>-TiAl alloys fabricated by electron beam powder bed fusion

Ken Cho, Naohide Morita, Hiromasa Matsuoka, Hiroyuki Y. Yasuda, Mitsuharu Todai, Minoru Ueda, Masao Takeyama, Takayoshi Nakano

Journal of Japan Institute of Light Metals　Vol. 72　No. 6　p. 298-303　2022/06/15　Research paper (scientific journal)

Evaluation of Hall-Petch Coefficient at Grain Boundaries of Fe-based Alloys by Nanoindentation Method

Hiroyuki Yasuda, Ken Cho, Yohei Murozumi, Masanobu Nomoto, Hiroki Toda, Wataru Suzuki

Tetsu-to-Hagane　Vol. 108　No. 10　p. 751-761　2022　Research paper (scientific journal)

Metal Additive Manufacturing (AM) based on Anisotropic Custom-Design Concept

小泉雄一郎, 奥川将行, 石本卓也, 石本卓也, 趙研, 安田弘行, 中野貴由

日本ガスタービン学会誌　Vol. 50　No. 2　2022

Peculiar microstructural evolution and tensile properties of β-containing γ-TiAl alloys fabricated by electron beam melting

Ken Cho, Hajime Kawabata, Tatsuhiro Hayashi, Hiroyuki Y. Yasuda, Hirotoyo Nakashima, Masao Takeyama, Takayoshi Nakano

Additive Manufacturing　Vol. 46　p. 102091-102091　2021/10　Research paper (scientific journal)

Improving the Tensile Properties of Additively Manufactured β-Containing TiAl Alloys via Microstructure Control Focusing on Cellular Precipitation Reaction

Ken Cho, Hirotaka Odo, Keisuke Okamoto, Hiroyuki Y. Yasuda, Hirotoyo Nakashima, Masao Takeyama, Takayoshi Nakano

Crystals　Vol. 11　No. 7　p. 809-809　2021/07/12　Research paper (scientific journal)

High Precision Manufacturing and Microstructure Control of β-containing γ-TiAl Alloy through Electron Beam Melting

趙研, 趙研, 川端はじめ, 尾堂裕隆, 林竜弘, 安田弘行, 安田弘行, 竹山雅夫, 中野貴由, 中野貴由

スマートプロセス学会誌　Vol. 10　No. 4　p. 240-245　2021/07

Deformation behavior of HfNbTaTiZr high entropy alloy singe crystals and polycrystals

Hiroyuki Y. Yasuda, Yusuke Yamada, Ken Cho, Takeshi Nagase

Materials Science and Engineering A　Vol. 809　2021/03/30　Research paper (scientific journal)

Effect of chemical composition on grain refinement of Al<inf>x</inf>CoCrFeNi high entropy alloys with NiAl grain boundary precipitates

Hiroyuki Y. Yasuda, Hiroyuki Miyamoto, Takuya Inagaki, Ken Cho, Takeshi Nagase

Materials Science Forum　Vol. 1016 MSF　p. 1690-1695　2021　Research paper (international conference proceedings)

Effect of Grain Refinement on Room Temperature Ductility of Ferritic Heat-resistant Alloys Strengthened by NiAl Precipitates

Ken Cho, Naoki Kawahara, Hiroyuki Y. Yasuda

ISIJ International　Vol. 60　No. 10　p. 2285-2290　2020/10/15　Research paper (scientific journal)

Improvement of High Temperature Fatigue Properties of TiAl Alloys Fabricated by Electron Beam Melting Through Hot Isostatic Pressing Process

Ken CHO, Hiroyuki YASUDA, Mitsuharu TODAI, Minoru UEDA, Masao TAKEYAMA, Takayoshi NAKANO

Journal of Smart Processing　Vol. 9　No. 4　p. 180-184　2020/07　Research paper (scientific journal)

Influence of Mo addition on deformation behavior of metastable β-type Ti alloys

Vol. 68　No. 2　p. 166-170　2020/04　Research paper (other academic)

Study on formation mechanism of {332}&lt;113&gt; deformation twinning in metastable β-type Ti alloy focusing on stress-induced α” martensite phase

Ken Cho, Ryota Morioka, Stefanus Harjo, Takuro Kawasaki, Hiroyuki Y. Yasuda

Scripta Materialia　Vol. 177　p. 106-111　2020/03/01　Research paper (scientific journal)

Investigation of strengthening mechanism in Ni–38Cr-3.8Al alloy with fine lamellar structure by in situ neutron diffraction analysis

Koyanagi, Y., Ueta, S., Kawasaki, T., Harjo, S., Cho, K., Yasuda, H.Y.

Materials Science and Engineering A　Vol. 773　2020　Research paper (scientific journal)

Effects of NiAl precipitate microstructure, loading axis and temperature on deformation behavior of Fe–Al–Ni single crystals

Hiroyuki Y. Yasuda, Taisuke Edahiro, Naoki Takeoka, Takashi Yoshimoto, Masataka Mizuno, Ken Cho

Intermetallics　Vol. 115　p. 106627-106627　2019/12　Research paper (scientific journal)

電子ビーム三次元積層造形プロセスにおけるTiAl合金部材の特異な微細組織と力学特性

趙研, 安田弘行, 當代光陽, 上田実, 竹山雅夫, 中野貴由

チタン　Vol. 60　No. 4　p. 50-56　2019/10

Heat-Resistant Fe-Al-Ni Based Alloys with NiAl Precipitates

H.Y. Yasuda, K. Cho, T. Edahiro, K. Ikeda

Proceedings from EPRI’s 9th International Conference on Advances in Materials Technology for Fossil Power Plants and the 2nd International 123HiMAT Conference on High-Temperature Materials　2019/10　Research paper (international conference proceedings)

Influence of Unique Layered Microstructure on Mechanical Properties of TiAl-Based Alloys Prepared by Electron Beam Melting

K. Cho, M. Sakata, J.Y. Oh, H.Y. Yasuda, M. Todai, A. Ikeda, M. Ueda, M. Takeyama, T. Nakano

Proceedings from EPRI’s 9th International Conference on Advances in Materials Technology for Fossil Power Plants and the 2nd International 123HiMAT Conference on High-Temperature Materials　2019/10　Research paper (international conference proceedings)

Unique Microstructure and Mechanical Properties of TiAl Alloys Fabricated by Electron Beam Melting

Vol. 67　No. 4　p. 290-296　2019/10

Creep behavior of Ni–38Cr-3.8Al alloy with lamellar structure formed by discontinuous precipitation

Yoshihiko Koyanagi, Hiroyuki Takabayashi, Shigeki Ueta, Ken Cho, Hiroyuki Y. Yasuda

Materials Science and Engineering: A　Vol. 766　p. 138333-138333　2019/10　Research paper (scientific journal)

Microstructure and Mechanical Properties of TiAl Alloys Prepared by Additive Manufacturing

Vol. 8　No. 3　p. 78-83　2019/05

Effects of {332}<113> Deformation Twinning on Fatigue Behavior of TiMn System Alloys

Ken Cho, Kohei Yuki, Hiroki Kobata, Mitsuo Niinomi, Hiroyuki Y. Yasuda

Materials Transactions　2019/04　Research paper (scientific journal)

Effects of heat treatment on unique layered microstructure and tensile properties of TiAl fabricated by electron beam melting

M. Sakata, J. Y. Oh, K. Cho, H.Y. Yasuda, M. Todai, T. Nakano, A. Ikeda, M. Ueda, M. Takeyama

Materials Science Forum　Vol. 941　p. 1366-1371　2018/12　Research paper (scientific journal)

Effects of Mo Addition on Deformation Behavior of Metastable Beta-Type Ti-Mn Single Crystals

Ryota Morioka, Ken Cho, Hiroyuki Y. Yasuda

Materials Science Forum　Vol. 941　p. 1360-1365　2018/12　Research paper (scientific journal)

Microstructure and Fatigue Properties of TiAl with Unique Layered Microstructure Fabricated by Electron Beam Melting

Ken Cho, Ryota Kobayashi, Takuma Fukuoka, Jong Yeong Oh, Hiroyuki Y. Yasuda, Mitsuharu Todai, Takayoshi Nakano, Ayako Ikeda, Minoru Ueda, Masao Takeyama

Materials Science Forum　Vol. 941　p. 1597-1602　2018/12　Research paper (scientific journal)

Deformation Behavior of Fe-Al Single Crystals Containing Fe₂AlTi Precipitates

Hiroyuki Y. Yasuda, Hiroyuki Yakage, Yunima Shinohara, Ken Cho

Materials Science Forum　Vol. 941　p. 1372-1377　2018/12　Research paper (scientific journal)

{332}<113>変形双晶導入による低コスト準安定β型チタン合金の強度－延性バランス改善

趙 研, 新家光雄, 安田弘行

チタン　Vol. 66　p. 274-277　2018/10

Grain refinement of non-equiatomic Cr-rich CoCrFeMnNi high-entropy alloys through combination of cold rolling and precipitation of σ phase

Ken Cho, Yumi Fujioka, Takeshi Nagase, Hiroyuki Y. Yasuda

Materials Science and Engineering: A　Vol. 735　p. 191-200　2018/09　Research paper (scientific journal)

Improvement of room and high temperature tensile properties of NiAl-strengthened ferritic heat-resistant steels through Mo addition

Ken Cho, Kenshi Ikeda, Hiroyuki Y. Yasuda

Materials Science and Engineering A　Vol. 728　p. 239-250　2018/06/13　Research paper (scientific journal)

Influence of unique layered microstructure on fatigue properties of Ti-48Al-2Cr-2Nb alloys fabricated by electron beam melting

Ken Cho, Ryota Kobayashi, Jong Yeong Oh, Hiroyuki Y. Yasuda, Mitsuharu Todai, Takayoshi Nakano, Ayako Ikeda, Minoru Ueda, Masao Takeyama

Intermetallics　Vol. 95　p. 1-10　2018/04/01　Research paper (scientific journal)

The effect of HIP treatment on the mechanical properties of titanium aluminide additive manufactured by EBM

D. Kondo, H. Yasuda, T. Nakano, K. Cho, A. Ikeda, M. Ueda, Y. Nagamachi

International Conference on Hot Isostatic Pressing 2017　2018/01　Research paper (scientific journal)

Effects of CoAl precipitates on deformation behavior of Fe-Al-Co single crystals

Hiroyuki Y. Yasuda, Yoshiaki Odawara, Kentaro Soma, Takashi Yoshimoto, Ken Cho

INTERMETALLICS　Vol. 91　p. 140-149　2017/12　Research paper (scientific journal)

Formation of ultrafine-grained microstructure in Al0.3CoCrFeNi high entropy alloys with grain boundary precipitates

Hiroyuki Y. Yasuda, Hiroyuki Miyamoto, Ken Cho, Takeshi Nagase

MATERIALS LETTERS　Vol. 199　p. 120-123　2017/07　Research paper (scientific journal)

Deformation-induced omega-phase transformation in a beta-type titanium alloy during tensile deformation

Huihong Liu, Mitsuo Niinomi, Masaaki Nakai, Ken Cho, Hidetoshi Fujii

SCRIPTA MATERIALIA　Vol. 130　p. 27-31　2017/03　Research paper (scientific journal)

Development and performance of low-cost beta-type Ti-based alloys for biomedical applications using Mn additions

P.F. Santos, M. Niinomi, H. Liu, M. Nakai, K. Cho, T. Narushima, K. Ueda, N. Ohtsu, M. Hirano, Y. Itoh

Interface Oral Health Science 2016, Innovative Research on Biosis-Abiosis Intelligent Interface　p. 229-245　2017/01/08　Research paper (other academic)

Effects of Mo Addition on the Mechanical Properties and Microstructures of Ti-Mn Alloys Fabricated by Metal Injection Molding for Biomedical Applications

Pedro Fernandes Santos, Mitsuo Niinomi, Ken Cho, Huihong Liu, Masaaki Nakai, Takayuki Narushima, Kyosuke Ueda, Yoshinori Itoh

MATERIALS TRANSACTIONS　Vol. 58　No. 2　p. 271-279　2017　Research paper (scientific journal)

Effect of building direction on the microstructure and tensile properties of Ti-48Al-2Cr-2Nb alloy additively manufactured by electron beam melting

Mitsuharu Todai, Takayoshi Nakano, Tianqi Liu, Hiroyuki Y. Yasuda, Koji Hagihara, Ken Cho, Minoru Ueda, Masao Takeyama

Additive Manufacturing　Vol. 13　p. 61-70　2017/01/01　Research paper (scientific journal)

Improvement of microstructure, mechanical and corrosion properties of biomedical Ti-Mn alloys by Mo addition

Pedro Fernandes Santos, Mitsuo Niinomi, Huihong Liu, Ken Cho, Masaaki Nakai, Adhitya Trenggono, Sebastien Champagne, Hendra Hermawan, Takayuki Narushima

MATERIALS & DESIGN　Vol. 110　p. 414-424　2016/11　Research paper (scientific journal)

Abnormal Deformation Behavior of Oxygen-Modified β-Type Ti-29Nb-13Ta-4.6Zr Alloys for Biomedical Applications

HUIHONG LIU, MITSUO NIINOMI, MASAAKI NAKAI, XIN CONG, KEN CHO, CARL J. BOEHLERT, VAHID KHADEMI

Metallurgical and Materials Transactions A　2016/10　Research paper (scientific journal)

Adhesive strength of bioactive oxide layers fabricated on TNTZ alloy by three different alkali-solution treatments

E. Takematsu, K. Cho, J. Hieda, M. Nakai, K. Katsumata, K. Okada, M. Niinomi, N. Matsushita

JOURNAL OF THE MECHANICAL BEHAVIOR OF BIOMEDICAL MATERIALS　Vol. 61　p. 174-181　2016/08　Research paper (scientific journal)

Fabrication of low-cost beta-type Ti-Mn alloys for biomedical applications by metal injection molding process and their mechanical properties

Pedro Fernandes Santos, Mitsuo Niinomi, Huihong Liu, Ken Cho, Masaaki Nakai, Yoshinori Itoh, Takayuki Narushima, Masahiko Ikeda

JOURNAL OF THE MECHANICAL BEHAVIOR OF BIOMEDICAL MATERIALS　Vol. 59　p. 497-507　2016/06　Research paper (scientific journal)

Microstructural evolution and mechanical properties of biomedical Co-Cr-Mo alloy subjected to high-pressure torsion

Murat Isik, Mitsuo Niinomi, Ken Cho, Masaaki Nakai, Huihong Liu, Hakan Yilmazer, Zenji Horita, Shigeo Sato, Takayuki Narushima

JOURNAL OF THE MECHANICAL BEHAVIOR OF BIOMEDICAL MATERIALS　Vol. 59　p. 226-235　2016/06　Research paper (scientific journal)

Mechanical and Surface Functionalities of Nanostructured β-Type Titanium Alloys Through Severe Plastic Deformation

Hakan Yilmazer, Mtsuo Niinomi, Ken Cho, Masaaki Nakai, Huihoung Lui, Yoshikazu Todaka, Burak Dikici, Mustafa Şen, Hitoshi Shiku, Tomokazu Matsue

Proceedings of the 13th World Conference on Titanium　p. 1761-1766　2016/05/06　Part of collection (book)

Development of New Ti-Mn-Mo Alloys for Use in Biomedical Applications

P.F. Santos, M. Niinomi, K. Cho, M. Nakai, H.H. Liu

Proceedings of the 13th World Conference on Titanium　p. 1741-1745　2016/05　Research paper (international conference proceedings)

A β-Type Titanium Alloy With Significantly Changeable Young’S Modulus and Good Mechanical Properties Used for Spinal Fixation Applications

H.H. Liu, M. Niinomi, M. Nakai, K. Cho, K. Narita

Proceedings of the 13th World Conference on Titanium　p. 1685-1689　2016/05　Research paper (international conference proceedings)

Tensile and Compressive Properties of Low-Cost High-Strength β-Type Ti-Mn Alloys Fabricated by Metal Injection Molding

K. Cho, M. Niinomi, M. Nakai, H.H. Liu, P.F. Santos, Y. Itoh, M. Ikeda

Proceedings of the 13th World Conference on Titanium　p. 499-503　2016/05　Research paper (international conference proceedings)

Effects of Hot Working Conditions on Fatigue Strength of Ti-6Al-4V Alloy

I. Inagaki, Y. Shirai, K. Cho, M. Niinomi

Proceedings of the 13th World Conference on Titanium　p. 811-815　2016/05　Research paper (international conference proceedings)

Wear Behaviors of Combinations Comprised of Titanium Alloys in Air and Ringer’S Solution

M. Nakai, M. Niinomi, K. Narita, K. Cho, H.H Liu, Y.S. Lee

Proceedings of the 13th World Conference on Titanium　p. 1707-1710　2016/05　Research paper (international conference proceedings)

Development of Biomedical Titanium Alloys with a Focus on Controlling Young’s Modulus

M. Niinomi, M. Nakai, H.H. Liu, K. Cho

Proceedings of the 13th World Conference on Titanium　p. 1655-1663　2016/05　Research paper (international conference proceedings)

Ti-6Al-4V合金の疲労強度に及ぼす熱間加工条件の影響

稲垣育宏, 白井善久, 趙 研, 新家光雄

チタン　Vol. 64　No. 2　p. 86-90　2016/04　Research paper (scientific journal)

Improvement in mechanical strength of low-cost beta-type Ti-Mn alloys fabricated by metal injection molding through cold rolling

Ken Cho, Mitsuo Niinomi, Masaaki Nakai, Huihong Liu, Pedro F. Santos, Yoshinori Itoh, Masahiko Ikeda, Mohamed Abdel-Hady Gepreel, Takayuki Narushima

JOURNAL OF ALLOYS AND COMPOUNDS　Vol. 664　p. 272-283　2016/04　Research paper (scientific journal)

Athermal and deformation-induced omega-phase transformations in biomedical beta-type alloy Ti-9Cr-0.20

Huihong Liu, Mitsuo Niinomi, Masaaki Nakai, Ken Cho

ACTA MATERIALIA　Vol. 106　p. 162-170　2016/03　Research paper (scientific journal)

Optimization of Microstructure and Mechanical Properties of Co-Cr-Mo Alloys by High-Pressure Torsion and Subsequent Short Annealing

Murat Isik, Mitsuo Niinomi, Huihong Liu, Ken Cho, Masaaki Nakai, Zenji Horita, Takayuki Narushima, Kyosuke Ueda

MATERIALS TRANSACTIONS　Vol. 57　No. 11　p. 1887-1896　2016　Research paper (scientific journal)

Grain Refinement Mechanism and Evolution of Dislocation Structure of Co-Cr-Mo Alloy Subjected to High-Pressure Torsion

Murat Isik, Mitsuo Niinomi, Huihong Liu, Ken Cho, Masaaki Nakai, Zenji Horita, Shigeo Sato, Takayuki Narushima, Hakan Yilmazer, Makoto Nagasako

MATERIALS TRANSACTIONS　Vol. 57　No. 7　p. 1109-1118　2016　Research paper (scientific journal)

Developing biomedical nano-grained beta-type titanium alloys using high pressure torsion for improved cell adherence

Hakan Yilmazer, Mustafa Sen, Mitsuo Niinomi, Masaaki Nakai, Liu Huihong, Ken Cho, Yoshikazu Todaka, Hitoshi Shiku, Tomokazu Matsue

RSC ADVANCES　Vol. 6　No. 9　p. 7426-7430　2016　Research paper (scientific journal)

Design, microstructural characterization and mechanical evaluation of novel Ti-Mn-Mo alloys for biomedical applications

P.F. Santos, M. Niinomi, H. Liu, M. Nakai, K. Cho, T. Narushima

Proceedings of the 24th International Symposium on Processing and Fabrication of Advanced Materials, PFAM XXIV　p. 120-125　2015/12/18　Research paper (international conference proceedings)

Microstructure and balanced mechanical properties of short-time solution treated Co-Cr-Mo alloys processed through high-pressure torsion

M. Isik, M. Niinomi, H. Liu, M. Nakai, K. Cho, Z. Horita, T. Narushima

Proceedings of the 24th International Symposium on Processing and Fabrication of Advanced Materials, PFAM XXIV　p. 680-685　2015/12/18　Research paper (international conference proceedings)

Wear transition of solid-solution-strengthened Ti-29Nb-13Ta-4.6Zr alloys by interstitial oxygen for biomedical applications

Yoon-Seok Lee, Mitsuo Niinomi, Masaaki Nakai, Kengo Narita, Ken Cho, Huihong Liu

JOURNAL OF THE MECHANICAL BEHAVIOR OF BIOMEDICAL MATERIALS　Vol. 51　p. 398-408　2015/11　Research paper (scientific journal)

Microstructures, mechanical properties and cytotoxicity of low cost beta Ti-Mn alloys for biomedical applications

Pedro Fernandes Santos, Mitsuo Niinomi, Ken Cho, Masaaki Nakai, Huihong Liu, Naofumi Ohtsu, Mitsuhiro Hirano, Masahiko Ikeda, Takayuki Narushima

ACTA BIOMATERIALIA　Vol. 26　p. 366-376　2015/10　Research paper (scientific journal)

Evaluation of Adhesion of Hydroxyapatite Films Fabricated on Biomedical beta-Type Titanium Alloy after Immersion in Ringer's Solution

Junko Hieda, Mitsuo Niinomi, Masaaki Nakai, Ken Cho, Ayaka Matsubara

MATERIALS TRANSACTIONS　Vol. 56　No. 10　p. 93-100　2015/10　Research paper (scientific journal)

Evaluation of Long-Term Mechanical and Biological Biocompatibility of Low-Cost β-Type Ti-Mn Alloys for Biomedical Applications

Ken Cho, Mitsuo Niinomi, Masaaki Nakai, Pedro Fernandes Santos, Alethea Morgane Liens, Masahiko Ikeda, Tomokazu Hattori

Biomaterials Science: Processing, Properties and Applications V: Ceramic Transactions, Volume 254　Vol. 254　p. 1-12　2015/09/04　Part of collection (book)

β-Type Ti alloys for spinal fixation surgery with high Young’s modulus variability and good mechanical properties

H. Liu, M. Niinomi, M. Nakai, K. Cho

Acta Biomaterialia　Vol. 24　p. 361-369　2015/09　Research paper (scientific journal)

Low-temperature formation of amorphous InGaZnO

Takenaka Kosuke, Cho Ken, Ohchi Yasufumi, Otani Hirofumi, Uchida Giichiro, Setsuhara Yuichi

Jpn. J. Appl. Phys.　Vol. 54　No. 6　2015/05/28

In vitro biocompatibility of Ti-Mg alloys fabricated by direct current magnetron sputtering

Junko Hieda, Mitsuo Niinomi, Masaaki Nakai, Ken Cho

Materials Science and Engineering C　Vol. 54　p. 1-7　2015/04/21　Research paper (scientific journal)

Effect of Polar Extract of Cocoa Peels Inhibitor on Mechanical Properties and Microstructure of Mild Steel Exposed in Hydrocloric Acid

Gunawarman, Yuli Yetri, Emriadi, Novesar Jamarun, Ken-Cho, M. Nakai, M. Niinomi

Applied Mechanics and Materials　Vol. 776　p. 193-200　2015/04　Research paper (scientific journal)

Low-temperature formation of amorphous InGaZnOx films with inductively coupled plasma-enhanced reactive sputter deposition

Kosuke Takenaka, Ken Cho, Yasufumi Ohchi, Hirofumi Otani, Giichiro Uchida, Yuichi Setsuhara

Japanese Journal of Applied Physics　Vol. 54　p. 06GC02-1-06GC02-6　2015/03　Research paper (scientific journal)

Relationship between Mg content and formation ability of calcium phosphate for Ti-Mg alloy thin films

Hieda Junko, Niinomi Mitsuo, Nakai Masaaki, Cho Ken

Proceedings of JSPE Semestrial Meeting　Vol. 2015　p. 513-514　2015

STRENGTHENING BEHAVIORS OF LOW-PRECIOUS Ag-Pd-Au-Zn ALLOYS FOR DENTAL APPLICATIONS

Mitsuo Niinomi, Masaaki Nakai, Junko Hieda, Ken-Cho, Yonghwan Kim, Hisao Fukui

BIOMATERIALS SCIENCE: PROCESSING, PROPERTIES, AND APPLICATIONS V　Vol. 254　p. 63-71　2015　Research paper (international conference proceedings)

Osteoblast attachment on nanostructured β-type titanium alloys subjected to severe plastic deformation

H.Yilmazer, M.Niinomi, K.Cho, M.Nakai, H.Liu, Y.Todaka, D.Burak, M.Sen, H.Shiku, T.Matsue

日本歯科理工学会誌　Vol. 34　No. 2　p. 123-123　2015　Research paper (scientific journal)

Enhancing functionalities of metallic materials by controlling phase stability for use in orthopedic implants

Masaaki Nakai, Mitsuo Niinomi, Ken Cho, Kengo Narita

Interface Oral Health Science 2014: Innovative Research on Biosis-Abiosis Intelligent Interface　p. 79-91　2015/01/01　Part of collection (book)

Differences in Wear Behaviors at Sliding Contacts for beta-Type and (alpha plus beta)-Type Titanium Alloys in Ringer's Solution and Air

Yoon-Seok Lee, Mitsuo Niinomi, Masaaki Nakai, Kengo Narita, Ken Cho

MATERIALS TRANSACTIONS　Vol. 56　No. 3　p. 317-326　2015　Research paper (scientific journal)

Predominant factor determining wear properties of beta-type and (alpha plus beta)-type titanium alloys in metal-to-metal contact for biomedical applications

Yoon-Seok Lee, Mitsuo Niinomi, Masaaki Nakai, Kengo Narita, Ken Cho

JOURNAL OF THE MECHANICAL BEHAVIOR OF BIOMEDICAL MATERIALS　Vol. 41　p. 208-220　2015/01　Research paper (scientific journal)

Mechanical properties and cytocompatibility of oxygen-modified beta-type Ti-Cr alloys for spinal fixation devices

Huihong Liu, Mitsuo Niinomi, Masaaki Nakai, Ken Cho, Kengo Narita, Mustafa Sen, Hitoshi Shiku, Tomokazu Matsue

ACTA BIOMATERIALIA　Vol. 12　p. 352-361　2015/01　Research paper (scientific journal)

Microstructural evolution of precipitation-hardened beta-type titanium alloy through high-pressure torsion

H. Yilmazer, M. Niinomi, K. Cho, M. Nakai, J. Hieda, S. Sato, Y. Todaka

ACTA MATERIALIA　Vol. 80　p. 172-182　2014/11　Research paper (scientific journal)

Development of low-cost high-strength beta-type titanium alloys using a metal injection molding

K. Cho, M. Niinomi, M. Nakai, J. Hieda, P.F. Santos, Y. Itoh, M. Ikeda

Proceedings of Materials Science and Technology Conference and Exhibition 2014 (MS&T2014　p. 1551-1558　2014/10　Research paper (international conference proceedings)

The estimation of corrosion behavior of new TiNbTaZr alloys for biomedical applications

A. C. Barbinta, D. Mareci, R. Chelariu, G. Bolat, C. Munteanu, K. Cho, M. Niinomi

MATERIALS AND CORROSION-WERKSTOFFE UND KORROSION　Vol. 65　No. 10　p. 1017-1023　2014/10　Research paper (scientific journal)

Hardening behavior after high-temperature solution treatment of Ag-20Pd-12Au-xCu alloys with different Cu contents for dental prosthetic restorations

Yonghwan Kim, Mitsuo Niinomi, Junko Hieda, Masaaki Nakai, Ken Cho, Hisao Fukui

JOURNAL OF THE MECHANICAL BEHAVIOR OF BIOMEDICAL MATERIALS　Vol. 35　p. 123-131　2014/07　Research paper (scientific journal)

Changeable Young’s modulus with large elongation-to-failure in β-type titanium alloys for spinal fixation applications

H. Liu, M. Niinomi, M. Nakai, J. Hieda, K. Cho

Scripta Materialia　Vol. 82　p. 29-31　2014/07　Research paper (scientific journal)

Bending springback behavior related to deformation-induced phase transformations in Ti-12Cr and Ti-29Nb-13Ta-4.6Zr alloys for spinal fixation applications

Huihong Liu, Mitsuo Niinomi, Masaaki Nakai, Junko Hieda, Ken Cho

Journal of the Mechanical Behavior of Biomedical Materials　Vol. 34　p. 66-74　2014/06　Research paper (scientific journal)

Optimization of Mo Content in Beta-Type Ti-Mo Alloys for Obtaining Larger Changeable Young’s Modulus during Deformation for Use in Spinal Fixation Applications

M. Nakai, M. Niinomi, J. Hieda, K. Cho, K. Narita, X. F. Zhao

Materials Science Forum　Vol. 783-786　p. 1307-1312　2014/05　Research paper (scientific journal)

Mechanical and Biological Biocompatibilityof Novel β-Type Ti-Mn Alloys for Biomedical Applications

K. Cho, M. Niinomi, M. Nakai, J. Hieda, P. F. Santos, Y. Itoh, T. Hattori, M. Ikeda

Materials Science Forum　Vol. 783-786　p. 1232-1237　2014/05　Research paper (scientific journal)

Biomedical Polymer Surface Modification of Beta-Type Titanium Alloy for Implants through Anodic Oxide Nanostructures

J. Hieda, M. Niinomi, M. Nakai, K. Cho, T. Mohri, T. Hanawa

Materials Science Forum　Vol. 783-786　p. 1261-1264　2014/05　Research paper (scientific journal)

Optimization of Cr and O contents in beta-type Ti-Cr-O alloys for obtaining both larger changeable Young's modulus during deformation and higher strength for use in spinal fixation applications

M. Nakai, M. Niinomi, J. Hieda, K. Cho, K. Narita, H.H. Liu

Proceedings of Materials Science and Technology Conference and Exhibition 2013 (MS&T2013)　p. 2991-2997　2014/04　Research paper (international conference proceedings)

Contribution of β' and β precipitates to hardening in as-solutionized Ag-20Pd-12Au-14.5Cu alloys for dental prosthesis applications

Yonghwan Kim, Mitsuo Niinomi, Junko Hieda, Masaaki Nakai, Ken Cho, Hisao Fukui

Materials Science and Engineering C　Vol. 37　No. 1　p. 204-2069　2014/04　Research paper (scientific journal)

Adhesive strength of medical polymer on anodic oxide nanostructures fabricated on biomedical beta-type titanium alloy

Junko Hieda, Mitsuo Niinomi, Masaaki Nakai, Ken Cho, Tomoyoshi Mohri, Takao Hanawa

MATERIALS SCIENCE & ENGINEERING C-MATERIALS FOR BIOLOGICAL APPLICATIONS　Vol. 36　p. 244-251　2014/03　Research paper (scientific journal)

Precipitation of beta ' phase and hardening in dental-casting Ag-20Pd-12Au-14.5Cu alloys subjected to aging treatments

Yonghwan Kim, Mitsuo Niinomi, Junko Hieda, Masaaki Nakai, Ken Cho, Hisao Fukui

MATERIALS SCIENCE & ENGINEERING C-MATERIALS FOR BIOLOGICAL APPLICATIONS　Vol. 36　p. 329-335　2014/03　Research paper (scientific journal)

Mechanical properties of biomedical β-type titanium alloy with rare-earth metal oxide particles formed by rare-earth metal addition

Junko Hieda, Mitsuo Niinomi, Masaaki Nakai, Ken Cho

TMS Annual Meeting　p. 129-135　2014　Research paper (international conference proceedings)

Mechanical and biological biocompatibility of novel β-type ti-mn alloys for biomedical applications

Ken Cho, Mitsuo Niinomi, Masaaki Nakai, Junko Hieda, Pedro Fernandes Santos, Yoshinori Itoh, Tomokazu Hattori, Masahiko Ikeda

Materials Science Forum　Vol. 783-786　p. 1232-1237　2014　Research paper (international conference proceedings)

A review of surface modification of a novel low modulus beta- type titanium alloy for biomedical applications

Mitsuo Niinomi, Masaaki Nakai, Junko Hieda, Ken Cho, Toshihiro Kasuga, Tomokazu Hattori, Takashi Goto, Takao Hanawa

INTERNATIONAL JOURNAL OF SURFACE SCIENCE AND ENGINEERING　Vol. 8　No. 2-3　p. 138-152　2014　Research paper (scientific journal)

MECHANICAL PROPERTIES, MICROSTRUCTURES, AND BIOCOMPATIBILITY OF LOW-COST beta-TYPE Ti-Mn ALLOYS FOR BIOMEDICAL APPLICATIONS

Ken Cho, Mitsuo Niinomi, Masaaki Nakai, Junko Hieda, Pedro Fernandes Santos, Yoshinori Itoh, Masahiko Ikeda

BIOMATERIALS SCIENCE: PROCESSING, PROPERTIES AND APPLICATIONS IV　Vol. 251　p. 21-30　2014　Research paper (international conference proceedings)

Nanostructure of β-type titanium alloys through severe plastic deformation

Hakan Yilmazer, Mitsuo Niinomi, Ken Cho, Masaaki Nakai, Junko Hieda, Shigeo Sato, Yoshikazu Todaka

Advanced Materials Letters　Vol. 5　No. 7　p. 378-383　2014　Research paper (scientific journal)

Effect of subsurface deformation on sliding wear behavior of Ti-29Nb-13Ta-4.6Zr alloys for biomedical applications

Yoon-Seok Lee, Mitsuo Niinomi, Masaaki Nakai, Kengo Narita, Junko Hieda, Ken Cho

ADVANCED CERAMICS AND NOVEL PROCESSING　Vol. 616　p. 270-274　2014　Research paper (international conference proceedings)

Microstructural analysis of biomedical Co-Cr-Mo alloy subjected to high-pressure torsion processing

Murat Isik, Mitsuo Niinomi, Ken Cho, Masaaki Nakai, Junko Hieda, Hakan Yilmazer, Zenji Horita, Takayuki Narushima

ADVANCED CERAMICS AND NOVEL PROCESSING　Vol. 616　p. 263-269　2014　Research paper (international conference proceedings)

Wear properties of Ti-6Al-4V/Ti-29Nb-13Ta-4.6Zr combination for spinal implants

Yoon-Seok Lee, Mitsuo Niinomi, Masaaki Nakai, Junko Hieda, Ken Cho

Advanced Materials Research　Vol. 922　p. 424-428　2014　Research paper (international conference proceedings)

Nanostructure and fatigue behavior of beta-type titanium alloy subjected to high-pressure torsion after aging treatment

Hakan Yimazer, Mitsuo Niinomi, K. Cho, M. Nakai, J. Hieda, Y. Todaka

11TH INTERNATIONAL FATIGUE CONGRESS, PTS 1 AND 2　Vol. 891-892　p. 9-14　2014　Research paper (international conference proceedings)

Development of Changeable Young's Modulus with Good Mechanical Properties in beta-type Ti-Cr-O Alloys

Huihong Liu, Mitsuo Niinomi, Masaaki Nakai, Junko Hieda, Ken Cho

RECENT HIGHLIGHTS IN ADVANCED MATERIALS　Vol. 575-576　p. 453-+　2014　Research paper (international conference proceedings)

Advances in Development of Titanium Alloys for Spinal Fixation Applications -Titanium Alloys with High Fatigue Strength and Low Springback for Spinal Fixation Applications-

Mitsuo Niinomi, Masaaki Nakai, Junko Hieda, Ken Cho, Kengo Narita

RECENT HIGHLIGHTS IN ADVANCED MATERIALS　Vol. 575-576　p. 446-452　2014　Research paper (international conference proceedings)

Deformation-induced changeable Young's modulus with high strength in β-type Ti-Cr-O alloys for spinal fixture

Huihong Liu, Mitsuo Niinomi, Masaaki Nakai, Junko Hieda, Ken Cho

Journal of the Mechanical Behavior of Biomedical Materials　Vol. 30　p. 205-213　2014　Research paper (scientific journal)

Endurance of low-modulus β-type titanium alloys for spinal fixation

M. Niinomi, M. Nakai, J. Hieda, K. Cho, K. Narita

TMS2014 Annual Meeting Supplemental Proceedings　p. 205-212　2014/01　Research paper (international conference proceedings)

FATIGUE CHARACTERISTICS AND MICROSTRUCTURES OF LASER- AND NON-LASER WELDED LOW-COST Ti-4.5Al-2.5Cr-1.2Fe-0.1C FOR USE IN NEXT GENERATION AIRCRAFTS

Mitsuo Niinomi, Masaaki Nakai, Junko Hieda, Ken Cho, Yoshio Itsumi, Shogo Murakami, Hideto Oyama, Wataru Abe

TMS 2014 SUPPLEMENTAL PROCEEDINGS　p. 49-56　2014　Research paper (international conference proceedings)

DIFFERENCE OF WEAR BEHAVIOR BETWEEN Ti-29Nb-13Ta-4.6Zr ALLOY AND Ti-6Al-4V ELI ALLOY FOR BIOMEDICAL APPLICATIONS

Masaaki Nakai, Mitsuo Niinomi, Junko Hieda, Ken Cho, Yoon-Seok Lee

TMS 2014 SUPPLEMENTAL PROCEEDINGS　p. 217-220　2014　Research paper (international conference proceedings)

Mechanical properties of biomedical β-type titanium alloy with rare-earth oxide particles formed by rare-earth metal addition

Junko Hieda, Mitsuo Niinomi, Masaaki Nakai, Ken Cho

TMS2014 Annual Meeting Supplemental Proceedings　p. 129-135　2014/01　Research paper (international conference proceedings)

Reduction in anisotropy of mechanical properties of coilable (alpha plus beta)-type titanium alloy thin sheet through simple heat treatment for use in next-generation aircraft applications

Masaaki Nakai, Mitsuo Niinomi, Junko Hieda, Ken Cho, Yuya Nagasawa, Takashi Konno, Yoshinori Ito, Yoshio Itsumi, Hideto Oyama

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING　Vol. 594　p. 103-110　2014/01　Research paper (scientific journal)

Improvement of Tensile and Fatigue Properties of beta-Titanium Alloy while Maintaining Low Young's Modulus through Grain Refinement and Oxygen Addition

Ken Cho, Mitsuo Niinomi, Masaaki Nakai, Junko Hieda, Ryota Kanekiyo

MATERIALS TRANSACTIONS　Vol. 54　No. 10　p. 2000-2006　2013/10　Research paper (scientific journal)

Mechanical properties of Ti-12Cr alloy with self-tunable Young's modulus for use in spinal fixation devices

M. Nakai, M. Niinomi, J. Hieda, K. Cho

The 8th Pacific Rim International Congress on Advanced Materials and Processing Proceedings　p. 1541-1546　2013/09　Research paper (international conference proceedings)

Deformation induced changeable Young's modulus in ternary Ti-Cr-O alloys for spinal fixation applications

H.H Liu, M. Niinomi, M. Nakai, J. Hieda, K. Cho

The 8th Pacific Rim International Congress on Advanced Materials and Processing Proceedings　p. 1635-1641　2013/09　Research paper (international conference proceedings)

Microstructural control and mechanical properties of low-cost titanium alloys for next generation aircrafts

M. Niinomi, M, Nakai, Itsumi, S. Murakami, H. Oyama, W. Abe, J. Hieda, K. Cho

The 8th Pacific Rim International Congress on Advanced Materials and Processing Proceedings　p. 1131-1138　2013/09　Research paper (international conference proceedings)

Mechanical Properties of Low-Cost Beta-Type Ti-Mn Alloys Fabricated by Metal Injection Molding

K. Cho, M. Niinomi, M. Nakai, J. Hieda, P. F. Santos, Y. Itoh, M. Ikeda

The 8th Pacific Rim International Congress on Advanced Materials and Processing Proceedings　p. 1115-1122　2013/09　Research paper (international conference proceedings)

Effect of Oxide Particles Formed through Addition of Rare-Earth Metal on Mechanical Properties of Biomedical beta-Type Titanium Alloy

Junko Hieda, Mitsuo Niinomi, Masaaki Nakai, Ken Cho, Shigeki Nagai

MATERIALS TRANSACTIONS　Vol. 54　No. 8　p. 1361-1367　2013/08　Research paper (scientific journal)

Deformation-induced omega phase in modified Ti-29Nb-13Ta-4.6Zr alloy by Cr addition

Qiang Li, Mitsuo Niinomi, Junko Hieda, Masaaki Nakai, Ken Cho

ACTA BIOMATERIALIA　Vol. 9　No. 8　p. 8027-8035　2013/08　Research paper (scientific journal)

Effects of Alloying Elements on the HAp Formability on Ti Alloys after Alkali Treatment

Ken Cho, Mitsuo Niinomi, Masaaki Nakai, Junko Hieda, Xiaojie Tao

MATERIALS TRANSACTIONS　Vol. 54　No. 8　p. 1295-1301　2013/08　Research paper (scientific journal)

Plasma interaction with Zn nano layer on organic materials for analysis of early stage of inorganic/organic hybrid multi-layer formation

Ken Cho, Kosuke Takenaka, Yuichi Setsuhara

SURFACE & COATINGS TECHNOLOGY　Vol. 228　p. S271-S275　2013/08　Research paper (scientific journal)

Mechanical properties of a medical beta-type titanium alloy with specific microstructural evolution through high-pressure torsion

H. Yilmazer, M. Niinomi, M. Nakai, K. Cho, J. Hieda, Y. Todaka, T. Miyazaki

MATERIALS SCIENCE & ENGINEERING C-MATERIALS FOR BIOLOGICAL APPLICATIONS　Vol. 33　No. 5　p. 2499-2507　2013/07　Research paper (scientific journal)

Plasma interactions with aminoacid (l-alanine) as a basis of fundamental processes in plasma medicine

Yuichi Setsuhara, Ken Cho, Masaharu Shiratani, Makoto Sekine, Masaru Hori

Current Applied Physics　Vol. 13　No. 1　p. S59-S63　2013/03/20　Research paper (scientific journal)

Enhancement of adhesive strength of hydroxyapatite films on Ti-29Nb-13Ta-4.6Zr by surface morphology control

Junko Hieda, Mitsuo Niinomi, Masaaki Nakai, Ken Cho, Tatsuya Gozawa, Hirokazu Katsui, Rong Tu, Takashi Goto

JOURNAL OF THE MECHANICAL BEHAVIOR OF BIOMEDICAL MATERIALS　Vol. 18　p. 232-239　2013/02　Research paper (scientific journal)

Dental materials

J.Hieda, M. Niinomi, M. Nakai, K. Cho

Advances in Biomaterials Science and Biomedical Applications,InTech　p. 515-538　2013

Microstructure and fatigue properties of double-sided friction stir welded Ti-4.5Al-2.5Cr-1.2Fe-0.1C alloy plate for aerospace applications

M. Nakai, M. Niinomi, J. Hieda, K. Cho, K. Komine, H. Fujii, Y. Morisada, Y. Ito, T. Konno, Y. Itsumi, H. Oyama, W. Abe

PROCEEDINGS OF THE 1ST INTERNATIONAL JOINT SYMPOSIUM ON JOINING AND WELDING　p. 429-434　2013　Research paper (international conference proceedings)

Investigations on plasma-biomolecules interactions as fundamental process for plasma medicine

Kosuke Takenaka, Ken Cho, Yuichi Setsuhara, Masaharu Shiratani, Makoto Sekine, Masaru Hori

Journal of Physics: Conference Series　Vol. 441　No. 1　p. 012001-1-012001-6　2013　Research paper (international conference proceedings)

Research and Development of Low-cost Titanium Alloys for Biomedical Applications

Mitsuo Niinomi, Masaaki Nakai, Junko Hieda, Ken Cho, Toshikazu Akahori, Tomokazu Hattori, Masahiko Ikeda

COST-AFFORDABLE TITANIUM IV　Vol. 551　p. 133-+　2013　Research paper (international conference proceedings)

Development of high modulus TiFeCu alloys for biomedical applications

Ken Cho, Mitsuo Niinomi, Masaaki Nakai, Junko Hieda, Yuuki Kawasaki

Materials Transactions　Vol. 54　No. 4　p. 574-581　2013　Research paper (scientific journal)

Tensile and Fatigue Properties of Carbon-Solute-Strengthened (alpha+beta)-Type Titanium Alloy

Masaaki Nakai, Mitsuo Niinomi, Junko Hieda, Ken Cho, Toshikazu Akahori, Kazuhiro Hayashi, Yoshio Itsumi, Shogo Murakami, Hideto Oyama

MATERIALS TRANSACTIONS　Vol. 54　No. 2　p. 169-175　2013　Research paper (scientific journal)

Recently developed titanium alloys for spinal fixation applications

Masaaki. Nakai, Mitsuo. Niinomi, Junko. Hieda, Ken. Cho

Processing and Fabrication of Advanced Materials-XXI　p. 329-335　2012/12　Research paper (international conference proceedings)

Improvement of mechanical strength of titanium alloys by microstructural refinement to nano-size through high pressure torsion

Mitsuo. Niinomi, Masaaki. Nakai, Junko. Hieda, Ken. Cho

Processing and Fabrication of Advanced Materials-XXI　p. 693-701　2012/12　Research paper (international conference proceedings)

Investigation of chemical bonding states at interface of Zn/organic materials for analysis of early stage of inorganic/organic hybrid multi-layer formation

Ken Cho, Kosuke Takenaka, Yuichi Setsuhara, Masaharu Shiratani, Makoto Sekine, Masaru Hori

THIN SOLID FILMS　Vol. 523　p. 15-19　2012/11　Research paper (scientific journal)

Effects of Irradiation with Ions and Photons in Ultraviolet-Vacuum Ultraviolet Regions on Nano-Surface Properties of Polymers Exposed to Plasmas

Ken Cho, Kosuke Takenaka, Yuichi Setsuhara, Masaharu Shiratani, Makoto Sekine, Masaru Hori

JAPANESE JOURNAL OF APPLIED PHYSICS　Vol. 51　No. 1　p. 01AJ02-1-01AJ02-5　2012/01　Research paper (scientific journal)

Investigations on Plasma Interactions with Soft Materials for Fabrication of Flexible Devices

CHO Ken, SETSUHARA Yuichi, TAKENAKA Kosuke, SHIRATANI Masaharu, SEKINE Makoto, HORI Masaru, SHIRATANI Masaharu, SHIRATANI Masaharu, SEKINE Makoto, SEKINE Makoto, HORI Masaru, HORI Masaru

Journal of High Temperature Society　Vol. 37　No. 6　p. 289-297　2011/11　Research paper (scientific journal)

Effects of photoirradiation in UV and VUV regions during plasma exposure to polymers

Ken Cho, Yuichi Setsuhara, Kosuke Takenaka, Masaharu Shiratani, Makoto Sekine, Masaru Hori

THIN SOLID FILMS　Vol. 519　No. 20　p. 6810-6814　2011/08　Research paper (scientific journal)

Plasma processing of soft materials for development of flexible devices

Yuichi Setsuhara, Ken Cho, Kosuke Takenaka, Masaharu Shiratani, Makoto Sekine, Masaru Hori

THIN SOLID FILMS　Vol. 519　No. 20　p. 6721-6726　2011/08　Research paper (scientific journal)

Combinatorial analyses of plasma-polymer interactions

Yuichi Setsuhara, Ken Cho, Kosuke Takenaka, Masaharu Shiratani, Makoto Sekine, Masaru Hori

SURFACE & COATINGS TECHNOLOGY　Vol. 205　No. 2　p. S484-S489　2011/07　Research paper (scientific journal)

Combinatorial analysis of plasma-polymer interactions for formation of inorganic-soft materials hybrid structure

Kosuke Takenaka, Ken Cho, Yuichi Setsuhara, Masaharu Shiratani, Makoto Sekine, Masaru Hori

Trans. JWRI　Vol. 39　No. 2　p. 250-252　2010/12　Research paper (bulletin of university, research institution)

Effects of photon irradiation in UV and VUV regions during plasma processing of organic materials

Ken Cho, Kosuke Takenaka, Yuichi Setsuhara, Masaharu Shiratani, Makoto Sekine, Masaru Hori

Trans. JWRI　Vol. 39　No. 2　p. 298-300　2010/12　Research paper (bulletin of university, research institution)

Low-damage plasma processing of polymers for development of organic-inorganic flexible devices

Yuichi Setsuhara, Ken Cho, Kosuke Takenaka, Masaharu Shiratani, Makoto Sekine, Masaru Hori

SURFACE & COATINGS TECHNOLOGY　Vol. 205　No. 1　p. S355-S359　2010/12　Research paper (scientific journal)

Development of a combinatorial plasma process analyzer for advanced R&D of next generation nanodevice fabrications

K. Takenaka, K. Cho, Y. Setsuhara, M. Shiratani, M. Sekine, M. Hori

Ceramic Transactions　Vol. 219　p. 279-284　2010/09　Research paper (scientific journal)

X-Ray photoelectron spectroscopy analysis of plasma-polymer interactions for development of low-damage plasma processing of soft materials

Yuichi Setsuhara, Ken Cho, Masaharu Shiratani, Makoto Sekine, Masaru Hori

THIN SOLID FILMS　Vol. 518　No. 22　p. 6492-6495　2010/09　Research paper (scientific journal)

Advanced research and development for plasma processing of polymers with combinatorial plasma-process analyzer

Yuichi Setsuhara, Ken Cho, Kosuke Takenaka, Masaharu Shiratani, Makoto Sekine, Masaru Hori

THIN SOLID FILMS　Vol. 518　No. 22　p. 6320-6324　2010/09　Research paper (scientific journal)

Development of a Combinatorial Plasma Process Analyzer for Advanced R&D of Next Generation Nanodevice Fabrication

Kosuke Takenaka, Ken Cho, Yuichi Setsuhara, Masaharu Shiratani, Makoto Sekine, Masaru Hori

Ceramic Transactions　Vol. 219　p. 279-284　2010/08　Research paper (scientific journal)

Combinatorial Analysis of Plasma-Surface Interactions of Poly(ethylene terephthalate) with X-ray Photoelectron Spectroscopy

Kosuke Takenaka, Ken Cho, Yuichi Setsuhara, Masaharu Shiratani, Makoto Sekine, Masaru Hori

JAPANESE JOURNAL OF APPLIED PHYSICS　Vol. 49　No. 8　p. 08JA02-1-08JA02-4　2010/08　Research paper (scientific journal)

Low-damage surface modification of polymethylmethacrylate with argon-oxygen mixture plasmas driven by multiple low-inductance antenna units

Yuichi Setsuhara, Ken Cho, Kosuke Takenaka, Masaharu Shiratani, Makoto Sekine, Masaru Hori, Eiji Ikenaga, Shigeaki Zaima

THIN SOLID FILMS　Vol. 518　No. 13　p. 3561-3565　2010/04　Research paper (scientific journal)

X-ray photoelectron spectroscopy for analysis of plasma-polymer interactions in Ar plasmas sustained via RF inductive coupling with low-inductance antenna units

Yuichi Setsuhara, Ken Cho, Masaharu Shiratani, Makoto Sekine, Masaru Hori, Eiji Ikenaga, Shigeaki Zaima

THIN SOLID FILMS　Vol. 518　No. 13　p. 3555-3560　2010/04　Research paper (scientific journal)

HARD X-RAY PHOTOELECTRON SPECTROSCOPY ANALYSIS FOR ORGANIC-INORGANIC HYBRID MATERIALS FORMATION

Ken Cho, Kosuke Takenaka, Yuichi Setsuhara, Masaharu Shiratani, Makoto Sekine, Masaru Hori, Eiji Ikenaga, Hiroki Kondo, Osamu Nakatsuka, Shigeaki Zaima

CHARACTERIZATION AND CONTROL OF INTERFACES FOR HIGH QUALITY ADVANCED MATERIALS III　Vol. 219　p. 183-+　2010　Research paper (international conference proceedings)

Plasma surface treatment of polymers with inductivity-coupled RF plasmas driven by low-inductance antenna units

Yuichi Setsuhara, Ken Cho, Kosuke Takenaka, Akinori Ebe, Masaharu Shiratani, Makoto Sekine, Masaru Hori, Eiji Ikenaga, Hiroki Kondo, Osamu Nakatsuka, Shigeaki Zaima

THIN SOLID FILMS　Vol. 518　No. 3　p. 1006-1011　2009/12　Research paper (scientific journal)

Substrate temperature effects on amorphous carbon film growth, investigated by infrared spectroscopy in multiple internal reflection geometry

Masanori Shinohara, Ken Cho, Yoshinobu Matsuda, Takanori Inayoshi, Hiroki Kawazoe, Hiroshi Fujiyama, Yuuki Nitta, Tatsuyuki Nakatani

JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A　Vol. 27　No. 4　p. 813-817　2009/07　Research paper (scientific journal)

Large-area and low-damage processes for hybrid flexible device fabrications with reactive high-density plasmas driven by multiple low-inductance antenna modules

Yuichi Setsuhara, Kosuke Takenaka, Ken Cho, Jeon G. Han

Journal of Physics: Conference Series　Vol. 165　No. 1　p. 12042-1-12042-6　2009　Research paper (international conference proceedings)

Interaction between hydrogen plasma and hydrogenated amorphous carbon film, investigated by infrared spectroscopy

Masanori Shinohara, Ken Cho, Hiromichi Shibata, Keishi Okamoto, Tatsuyuki Nakatani, Yoshinobu Matsuda, Hiroshi Fujiyama

THIN SOLID FILMS　Vol. 516　No. 13　p. 4379-4383　2008/05　Research paper (scientific journal)

Effects of Substrate Temperature on Adsorption of Hydrocarbon Species Generated in Methane Plasma

SHINOHARA MASANORI, CHO KEN, MATSUDA YOSHINOBU, FUJIYAMA HIROSHI, OKAMOTO KEISHI, NAKATANI TATSUYUKI

Trans Mater Res Soc Jpn　Vol. 32　No. 2　p. 473-476　2007/06

Investigation of evolution hydrocarbon species on a Si surface during methane plasma with and without substrate bias, using infrared spectroscopy in multiple internal reflection geometry

Masanori Shinohara, Hiromichi Shibata, Ken Cho, Tatsuyuki Nakatani, Keishi Okamoto, Yoshinobu Matsuda, Hiroshi Fujiyama

APPLIED SURFACE SCIENCE　Vol. 253　No. 14　p. 6242-6247　2007/05　Research paper (scientific journal)