Hirata & Zhang Research Lab Institute of SCIENCE TOKYO

Publication

32.

Characterization of Structural and Mechanical Properties of DLC Films Deposited on the Surface of Minute-scale 3D Objects: Changes in the incident behavior of carbon ions

Yuto Tameno, Yuki Hirata, Takumi Ishikawa, Hiroki Akasaka, Naoto Ohtake Hiroshige Matsuoka         

Surface and Coating Technology 490 (2024) 131193

31.

Developing a Synthesis Process for Large-scale h-BN Nanosheets Using Magnetron Sputtering and Heat Annealing

Yuki Hirata, Kanta Yoshii, Mikito Yoshizato, Hiroki Akasaka and Naoto Ohtake         

Advanced Engineering Material  25 (2023) 2300933

30.

Diamond-like Carbon Film Coatings on Soft Metal Substrates (軟質金属基材上へのダイヤモンド状炭素膜コーティングの試み)

Makoto Matsuo, Takanori Yamaki, Yuki Hirata, Yukio Tamura, Hiroshi Yamamoto, Toshio Ozawa, Gangyi Pan, Hiroki AkasakaNaoto Ohtake        

Transactions of the JSME (in Japanese) 89 (2023) 1-20

29.

Evaluation of mechanical and antibacterial properties of Cu-DLC composite films

Yucheng Li, Chiaki Koga, Yuki Hirata, Hiroki Akasaka, Hiroyasu Kanetaka, Naoto Ohtake       

 Mechanical Engineering Journal 10 (2023) 1-11

28.

Characterization of Structural and Mechanical Properties of DLC Films Deposited on the Surface of Minute-scale 3D Objects: Comparison of PECVD and FCVA Deposition Technique

Yuki Hirata, Kotaro Kawai, Toyohiro Kato, Hayata Fujimoto, Yuto Tameno, Takumi Ishikawa, Hiroshige Matsuoka, Hiroki Akasaka and Naoto Ohtake         

Surface and Coating Technology 420 (2023) 129401

27.

Characterization of carburized layer on low-alloy steel fabricated by hydrogen-free carburizing process using carbon ions

Takeshi Konno, Toyohiro Kato, Toshiaki Yanagida, Hiroshi Inaba, Yuki Hirata, Hiroki Akasaka, and Naoto Ohtake        

Diamond & Related Materials 135 (2023) 109816

26.

X-ray photoemission electron microscopy observation of wear tracks on hydrogenated amorphous carbon films after ball-on-disk tests

Sota NorizukiSarayut TunmeeChanan EuaruksakulUkit RittihongKeisuke SuzukiMasashi TomidokoroHideki NakajimaYuki HirataNaoto OhtakeHiroki Akasaka         

Diamond & Related Materials 132 (2023) 109682

25.

Investigation of the structure and tribological properties of laser-irradiated hydrogenated amorphous carbon films

Dai Harada, Sarayut Tunmee, Chanan Euaruksakul, Ukit Rittihong, Hideki Nakajima, Yuko Aono, Yuki Hirata, Naoto Ohtake, Hiroki Akasaka.         

Diamond & Related Materials 131 (2022) 109573

24.

Oriented sp2 bonded carbon structure of hydrogenated amorphous carbon films

Naoki Umada, Kazuhiro Kanda, Masato Niibe, Yuki Hirata, Naoto Ohtake, Hiroki Akasaka         

Diamond & Related Materials 131 (2022) 109533

23.

Deposition phenomena of diamond-like carbon coating on inner surface of circular metal tube by nanopulse plasma chemical vapor deposition

Yoshinao Iwamoto, Yuki Hirata, Ryouta Takamura, Hiroki Akasaka, Naoto Ohtake 

Diamond & Related Materials 121 (2022) 108749