In situ Raman observation of structural transformation of diamond-like carbon films lubricated with MoDTC solution: Mechanism of wear acceleration of DLC films lubricated with … H Okubo, S Sasaki Tribology International 113, 399-410, 2017 | 62 | 2017 |
Tribological properties of a tetrahedral amorphous carbon (ta-C) film under boundary lubrication in the presence of organic friction modifiers and zinc dialkyldithiophosphate … H Okubo, C Tadokoro, S Sasaki Wear 332, 1293-1302, 2015 | 61 | 2015 |
Effects of concentration of zinc dialkyldithiophosphate on the tribological properties of tetrahedral amorphous carbon films in presence of organic friction modifiers H Okubo, S Watanabe, C Tadokoro, S Sasaki Tribology International 94, 446-457, 2016 | 36 | 2016 |
Frictional properties of DLC films in low-pressure hydrogen conditions H Okubo, R Tsuboi, S Sasaki Wear 340, 2-8, 2015 | 34 | 2015 |
Effects of structure of zinc dialkyldithiophosphates on tribological properties of tetrahedral amorphous carbon f ilm under boundary lubrication H Okubo, S Watanabe, C Tadokoro, S Sasaki Tribology International 98, 26-40, 2016 | 33 | 2016 |
In situ Raman observations of the formation of MoDTC-derived tribofilms at steel/steel contact under boundary lubrication H Okubo, M Yonehara, S Sasaki Tribology Transactions 61 (6), 1040-1047, 2018 | 29 | 2018 |
Ultralow friction of a tetrahedral amorphous carbon film lubricated with an environmentally friendly ester-based oil H Okubo, S Watanabe, C Tadokoro, S Sasaki Tribology Online 11 (2), 102-113, 2016 | 26 | 2016 |
Wear acceleration mechanism of diamond-like carbon (DLC) films lubricated with MoDTC solution: Roles of tribofilm formation and structural transformation in wear acceleration … H Okubo, C Tadokoro, T Sumi, N Tanaka, S Sasaki Tribology International 133, 271-287, 2019 | 25 | 2019 |
Tribo-Raman-SLIM observation for diamond-like carbon lubricated with fully formulated oils with different wear levels at DLC/steel contacts H Okubo, S Sasaki, D Lancon, F Jarnias, B Thiébaut Wear 454, 203326, 2020 | 22 | 2020 |
In situ raman-SLIM monitoring for the formation processes of MoDTC and ZDDP tribofilms at Steel/Steel contacts under boundary lubrication H Okubo, C Tadokoro, S Sasaki Tribology Online 15 (3), 105-116, 2020 | 22 | 2020 |
Tribological performance of halogen-free ionic liquids in steel–steel and DLC–DLC contacts H Okubo, S Kawada, S Watanabe, S Sasaki Tribology Transactions 61 (1), 71-79, 2018 | 22 | 2018 |
In Situ Raman observation of the graphitization process of tetrahedral amorphous carbon diamond-like carbon under boundary lubrication in poly-alpha-olefin with an organic … H Okubo, C Tadokoro, Y Hirata, S Sasaki Tribology Online 12 (5), 229-237, 2017 | 18 | 2017 |
Frequency-modulation atomic force microscopic observation for ultralow frictional solid–liquid interface of diamond-like carbon in an environmentally friendly oil H Okubo, S Sasaki Tribology Letters 67 (1), 3, 2019 | 17 | 2019 |
Effects of hydrogen on frictional properties of DLC films H Okubo, K Oshima, R Tuboi, C Tadokoro, S Sasaki Tribology Online 10 (6), 397-403, 2015 | 17 | 2015 |
Polarization observations of adsorption behavior of fatty acids using optical anisotropy of liquid crystal C Tadokoro, S Araya, H Okubo, K Nakano, S Sasaki Tribology Letters 64, 1-9, 2016 | 16 | 2016 |
Effect of water on the interfacial structures of room‐temperature ionic liquids S Kawada, E Kodama, K Sato, S Ogawa, M Watanabe, H Okubo, S Sasaki Surface and Interface Analysis 51 (1), 17-20, 2019 | 15 | 2019 |
Correlation between nano-mechanical and macro-tribological properties of tribofilms derived from organic phosphoric additives C Hashimoto, H Okubo, C Tadokoro, S Sasaki Tribology Online 11 (5), 632-638, 2016 | 12 | 2016 |
Effects of a twin-screw extruder equipped with a molten resin reservoir on the mechanical properties and microstructure of recycled waste plastic polyethylene pellet moldings H Okubo, H Kaneyasu, T Kimura, P Phanthong, S Yao Polymers 13 (7), 1058, 2021 | 10 | 2021 |
Macroscopic tribological properties of thick concentrated polymer brush on rough steel under lubrication with ionic liquid K Sato, H Okubo, Y Hirata, C Tadokoro, K Nakano, Y Tsujii, S Sasaki Jurnal Tribologi 20, 97-113, 2019 | 9 | 2019 |
Synergy of two fatty acids as additives on lubricity of a nematic liquid crystal 5CB C Tadokoro, S Araya, M Watanabe, H Okubo, K Nakano, S Sasaki Lubrication Science 30 (3), 83-90, 2018 | 9 | 2018 |