Publication
研究業績
- 13.
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Macroscopic tribological properties of thick concentrated polymer brush on rough steel under lubrication with ionic liquid
Keisuke Sato, Hikaru Okubo, Yuki Hirata, Chiharu Tadokoro, Ken Nakano, Yoshinobu Tsujii, Shinya Sasaki
Journal Tribologi 20 (2019) 97-113
- 12.
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Effect of precursor gas on the structure and mechanical properties of hydrogenated amorphous carbon films deposited on a trench sidewall
Yuki Hirata, Kanju Kitamura, Takumi Ishikawa, Junho Choi
Journal of Applied Physics 625 (2019) 065306
- 11.
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Analysis of microstructure and surface morphology of a-C:H films deposited on a trench target
Yuki Hirata, Takumi Ishikawa, Junho Choi, Shinya Sasaki
Diamond & Related Materials 83 (2018) 1-7
- 10.
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Effect of Ar+ ion assist on the properties of a-C:H films deposited on a trench
Yuki Hirata, Koeki Onishi, Junho Choi
Thin Solid Films 631 (2017) 57-63
- 9.
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Structure and mechanical properties of a-C:H films deposited on a three-dimensional target: Comparative study on target scale and aspect ratio
Yuki Hirata, Junho Choi
Journal of Physics D: Appl. Phys. 50 (2017) 155204 1-9
- 8.
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In Situ Raman Observation of the Graphitization Process of taC under Boundary Lubrication in Poly-Alpha-Olefin with an Organic Friction Modifier
Hikaru Okubo, Chiharu Tadokoro, Yuki Hirata, Shinya Sasaki
Tribology Online 12 (2017) 229-237
- 7.
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Effects of Molecular Structure of Zinc Dialkyldithiophosphates on Tribological Properties of a a-C:H Film under Boundary Lubrication
Hikaru Okubo, Seiya Watanabe, Chiharu Tadokoro, Yuki Hirata, Shinya Sasaki
Tribology Online 12 (2017) 221-228
- 6.
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Effects of Si particles of Al-Si alloys on frictional properties of a-C:H films/Al-Si alloys tribopairs under lubrication with fully formulated oil
Hikaru Okubo, Yuki Noda, Chiharu Tadokoro, Yuki Hirata, Shinya Sasaki
Transactions of the JSME (in Japanese) 83 (2017) 1-12
- 5.
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Deposition of a-C:H films on inner surface of high-aspect-ratio microchannel
Yuki Hirata, Junho Choi
Journal of Applied Physics 120 (2016) 065305 1-7
- 4.
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Deposition of a-C:H Films on a Nanotrench Pattern by Bipolar PBII&D
Yuki Hirata, Yuya Nakahara, Keisuke Nagato, Junho Choi
Journal of Physics D: Appl. Phys. 49 (2016) 245303 1-10