| Effect of mesh structure of tetrahedral amorphous carbon (ta-C) coating on friction and wear properties under base-oil lubrication condition MMB Mustafa, N Umehara, T Tokoroyama, M Murashima, A Shibata, ... Tribology International 147, 105557, 2020 | 65 | 2020 |
| Clarification of high wear resistance mechanism of ta-CNx coating under poly alpha-olefin (PAO) lubrication X Liu, R Yamaguchi, N Umehara, X Deng, H Kousaka, M Murashima Tribology International 105, 193-200, 2017 | 55 | 2017 |
| The wear classification of MoDTC-derived particles on silicon and hydrogenated diamond-like carbon at room temperature KAM Kassim, T Tokoroyama, M Murashima, N Umehara Tribology International 147, 106176, 2020 | 54 | 2020 |
| Effect of oil temperature and counterpart material on the wear mechanism of ta-CNx coating under base oil lubrication X Liu, R Yamaguchi, N Umehara, M Murashima, T Tokoroyama Wear 390, 312-321, 2017 | 54 | 2017 |
| Effect of mating material and graphitization on wear of aC: H coating in boundary base oil lubrication KAM Aboua, N Umehara, H Kousaka, T Tokoroyama, M Murashima, ... Tribology Letters 68, 1-8, 2020 | 49 | 2020 |
| Wear acceleration of aC: H coatings by molybdenum-derived particles: Mixing and temperature effects KAM Kassim, T Tokoroyama, M Murashima, WY Lee, N Umehara, ... Tribology International 159, 106944, 2021 | 44 | 2021 |
| Effect of defects on wear behavior in ta-C coating prepared by filtered cathodic vacuum arc deposition WY Lee, YJ Jang, T Tokoroyama, M Murashima, N Umehara Diamond and Related Materials 105, 107789, 2020 | 43 | 2020 |
| Tribological properties of ta-CNx coating sliding against steel and sapphire in unlubricated condition X Liu, N Umehara, T Tokoroyama, M Murashima Tribology International 131, 102-111, 2019 | 43 | 2019 |
| The effect of UV irradiation to aC: H on friction and wear properties under PAO oil lubrication including MoDTC and ZnDTP MT bin Taib, N Umehara, T Tokoroyama, M Murashima Tribology Online 13 (3), 119-130, 2018 | 42 | 2018 |
| Effect of oxygen on degradation of defects on ta-C coatings deposited by filtered arc deposition M Murashima, X Deng, H Izuoka, N Umehara, H Kousaka Surface and Coatings Technology 362, 200-207, 2019 | 36 | 2019 |
| Effect of fracture properties and surface morphology on wear of DLC coatings at severe contact condition Y Yamada, M Murashima, N Umehara, T Tokoroyama, WY Lee, ... Tribology International 169, 107486, 2022 | 35 | 2022 |
| In situ observation of the formation of MoDTC-derived tribofilm on a ta-C coating using reflectance spectroscopy and its effects on friction N Hashizume, M Murashima, N Umehara, T Tokoroyama, WY Lee Tribology International 162, 107128, 2021 | 35 | 2021 |
| Effect of pillar and mesh structure of tetrahedral amorphous carbon (ta-C) coatings on the wear properties and fracture toughness of the coating MMB Mustafa, N Umehara, T Tokoroyama, M Murashima, A Shibata, ... Tribology Online 14 (5), 388-397, 2019 | 35 | 2019 |
| Investigating running-in behavior to understand wear behavior of ta-C coating with filtered cathodic vacuum arc deposition WY Lee, T Tokoroyama, M Murashima, N Umehara Jurnal Tribologi 23 (2019), 38-47, 2019 | 35 | 2019 |
| Effect of nanoparticles as lubricant additives on friction and wear behavior of tetrahedral amorphous carbon (ta-C) coating X Li, M Murashima, N Umehara Jurnal Tribologi 16, 15-29, 2018 | 35 | 2018 |
| Active friction control in lubrication condition using novel metal morphing surface M Murashima, Y Imaizumi, R Murase, N Umehara, T Tokoroyama, T Saito, ... Tribology International 156, 106827, 2021 | 33 | 2021 |
| Effect of carbon diffusion on friction and wear behaviors of diamond-like carbon coating against germanium in boundary base oil lubrication KAM Aboua, N Umehara, H Kousaka, T Tokoroyama, M Murashima, ... Tribology letters 67, 1-11, 2019 | 33 | 2019 |
| Clarification of effect of transformed layer and oil film on low friction coefficient of CNx coating in PAO oil lubrication by in-situ observation of friction area with … H Nishimura, N Umehara, H Kousaka, M Murashima Tribology International 113, 383-388, 2017 | 33 | 2017 |
| Effect of carbon diffusion on friction and wear behaviors of diamond-like carbon coating against Cr-plating in boundary base oil lubrication KAM Aboua, N Umehara, H Kousaka, T Tokoroyama, M Murashima, ... Tribology Online 13 (5), 290-300, 2018 | 31 | 2018 |
| Effect of ZnDTP triboflim's morphology on friction behaviors of DLC coatings: Tribofilm characterization by 3D scanning electron microscope observation KAM Aboua, N Umehara, H Kousaka, T Tokoroyama, M Murashima, ... Journal of Advanced Mechanical Design, Systems, and Manufacturing 12 (7 …, 2018 | 31 | 2018 |
