"Lulu Li,Takayuki Tokoroyama,Ruixi Zhang,Wenjun Wu,Xue Fan,Nan Jian,Dongfeng Diao,Noritsugu Umehara","Role of bonding structure in the corrosion resistance and tribological properties of Tantalum-containing carbon coating: An analysis employing various deposition bias voltages",,"Tribology International",,"Vol. 213","No. 111014","pp. 1-13",2026,Jan.
"Ruixi Zhang,Daiki Yokota,Takumi Ishikawa,Hiroshige Matsuoka,Yuki Hirata","Multilayer Chromium/DLC Coatings: Synthesis and Tribological Properties","The 6th DLC Symposium - Gifu, 2025",,,,,,2025,Aug.
"Takahito Imanishi,Ruixi Zhang,Nobuharu Kajiyama,Yuki Hirata","Characterization and Future Prospects of 2D Materials Grown by the SAHP Method","The 6th DLC Symposium - Gifu, 2025",,,,,,2025,Aug.
"Shota Zenke,Ruixi Zhang,Kenta Yamamoto,Makoto Kano,Yuki Hirata","Enhancement of Friction and Wear Performance by DLC Films Deposited on Surfaces with Anisotropic Roughness under Biodegradable Oil Lubrication","The 6th DLC Symposium - Gifu, 2025",,,,,,2025,Aug.
"Ryota Takasaka,Noritsugu Umehara,Takayuki Tokoroyama,Ruixi Zhang,Koichi Okamura,Junichi Fukuda,Tetsuya Hayashi,Kohei Abe,Satoshi Wakamatsu","Abnormal Wear due to Synergistic Effects of Corrosion and Cavitation in High-Speed Flow of Glycol-Based Hydraulic Fluid Valve Surfaces",,"Tribology Online",,"Vol. 20","Issue 2","pp. 100-109",2025,June
"Ruixi Zhang,Dmitry Levshov,Keigo Otsuka,Ya Feng,Yongjia Zheng,Esko I. Kauppinen,Shohei Chiashi,Wim Wenseleers,Sofie Cambr?,Rong Xiang,Shigeo Maruyama","Efficient Growth of 1D Van der Waals Heterostructures on Zeolite-Supported SWCNTs",,"Small","Wiley-VCH","Vol. 21","Issue 8","pp. 1-10",2025,Feb.
"Wenjun Wu,Motoyuki Murashima,Noritsugu Umehara,Takayuki Tokoroyama,Ruixi Zhang","Low friction of nitrogen-doped diamond-like carbon coating due to acidic liquid film and nitrogen-doped graphite oxide generated by dielectric barrier discharge in ambient air",,"Surfaces and Interfaces",,"Vol. 56","No. 105591","pp. 1-10",2025,Jan.
"Naoya Hashizume,Riki Takano,Noritsugu Umehara,Takayuki Tokoroyama,Ruixi Zhang,Kiyoshi Hanyuda,Ayano Otsuka,Mao Ueda","Development of precipitation lubrication with palmitic acid and its friction mechanism",,"Tribology International",,"Vol. 200","No. 110066","pp. 1-8",2024,Dec.
"Lulu Li,Takayuki Tokoroyama,Ruixi Zhang,Noritsugu Umehara","Corrosion and tribological properties of ta-C/ta-C: Ta coatings: Analysis ofthe influence of Ta-O/Ta-C ratio",,"Tribology International",,"Vol. 198","No. 109916","pp. 1-11",2024,Oct.
"Takayuki Tokoroyama,Masahiro Okashita,Ruixi Zhang,Motoyuki Murashima,Ryo Tsuboi,Takuji Yoshida,Hiroshi Shiomi,Noritsugu Umehara","The mechanism of small wear particles entrainment in friction under boundary lubrication",,,,"Vol. 10","No. 1470312","pp. 1-12",2024,Sept.
"Ruixi Zhang,Woo-Young Lee,Noritsugu Umehara,Takayuki Tokoroyama,Motoyuki Murashima,Yuji Takimoto","The development of B/Cr co-doped DLC coating by FCVA deposition system and its tribological properties at 300℃",,"Surface & Coatings Technology",,"Vol. 487","No. 130968","pp. 1-10",2024,July
"橋詰直弥,?野理貴,梅原徳次,野老山貴行,張 鋭璽","「低温析出型潤滑」による摩擦損失低減",,"JSAE Engine Review",,"Vol. 14","No. 2",,2024,June
"Ruixi Zhang,Haodong Feng,Noritsugu Umehara,Takayuki Tokoroyama","Clarification of the corrosion and frictional behavior of nitrogen-doped ta-C coating in nitride acid solution",,"Proceedings of ITS-IFToMM 2024. ITS-IFToMM 2024. Mechanisms and Machine Science",,"Vol. 160",,"pp. 13-22",2024,June
"Kousuke Suzuki,Takayuki Tokoroyama,Riko Takita,Ruixi Zhang,Noritsugu Umehara,Shun Sato,Shin Nishida","Enhancing Cutting Tool Performance through ta-C:Ta Coating for CFRP Dry Machining: Investigation of Wear Resistance and Cutting Forces",,"Proceedings of ITS-IFToMM 2024. ITS-IFToMM 2024. Mechanisms and Machine Science",,"Vol. 160",,"pp. 159-167",2024,June
"Wenjun Wu,Noritsugu Umehara,Takayuki Tokoroyama,Motoyuki Murashima,Ruixi Zhang","Development of Low-Friction Technology for Treating Nitrogen-Containing Diamond-Like Carbon Coatings in Ambient Air Using Dielectric Barrier Discharge",,"roceedings of ITS-IFToMM 2024. ITS-IFToMM 2024. Mechanisms and Machine Science",,"Vol. 160",,"pp. 99?106",2024,June
"Ruixi Zhang,Daiki Yasuda,Noritsugu Umehara,Takayuki Tokoroyama","Effect of Hydrogen Doping for ta-C on Friction of ta-C:H Sliding Against Bearing Steel in High Temperature and High Vacuum",,"Proceedings of ITS-IFToMM 2024. ITS-IFToMM 2024. Mechanisms and Machine Science",,"Vol. 160",,"pp. 149-158",2024,June
"Naoya Hashizume,Yusei Yamamoto,Cheng Chen,Takayuki Tokoroyama,Ruixi Zhang,Dongfeng Diao,Noritsugu Umehara","The Effect of Carbon Structure of DLC Coatings on Friction Characteristics of MoDTC-Derived Tribofilm by Using an In Situ Reflectance Spectroscopy",,"Tribology Letters",,"Vol. 72","No. 30",,2024,Feb.
"Naoya Hashizume,Takayuki Tokoroyama,Noritsugu Umehara,Motoyuki Murashima,Woo-Young Lee,Ruixi Zhang,Masahiro Kunisu,Hirotaka Shioji,Kazumasa Oharada","In situ Observation of the Formation of MoDTC-Derived Tribofilm on a Bearing Steel with Different Surface Roughness by Using a Reflectance Spectroscopy and Its Effects on Friction",,,,"Vol. 72","No. 17","pp. 1-17",2024,Jan.
"Ruixi Zhang,Ya Feng,Henan Li,Akihito Kumamoto,Shuhui Wang,Yongjia Zheng,Wanyu Dai,Nan Fang,Ming Liu,Takeshi Tanaka,Yuichiro K. Kato,Hiromichi Kataura,Yuichi Ikuhara,Shigeo Maruyama,Rong Xiang","Fabricating one-dimensional van der Waals heterostructures on chirality-sorted single-walled carbon nanotubes",,"Carbon",,"Vol. 199",,"pp. 407-414",2022,Oct.