Effects of Molecular Structure of Zinc Dialkyldithiophosphates on Tribological Properties of a Hydrogenated Amorphous Carbon Film under Boundary Lubrication
The effects of the molecular structure of zinc dialkyldithiophosphates (ZDDPs) on the tribological properties of a hydrogenated amorphous carbon (a-C:H) film under boundary lubrication were investigated. Friction tests were performed at a-C:H/a-C:H and steel/steel contacts under lubrication with pol...
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Japanese Society of Tribologists
2017
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oai:doaj.org-article:5c820d77f2264a99a969b5f8554a18522021-11-05T09:19:53ZEffects of Molecular Structure of Zinc Dialkyldithiophosphates on Tribological Properties of a Hydrogenated Amorphous Carbon Film under Boundary Lubrication1881-219810.2474/trol.12.221https://doaj.org/article/5c820d77f2264a99a969b5f8554a18522017-10-01T00:00:00Zhttps://www.jstage.jst.go.jp/article/trol/12/5/12_221/_pdf/-char/enhttps://doaj.org/toc/1881-2198The effects of the molecular structure of zinc dialkyldithiophosphates (ZDDPs) on the tribological properties of a hydrogenated amorphous carbon (a-C:H) film under boundary lubrication were investigated. Friction tests were performed at a-C:H/a-C:H and steel/steel contacts under lubrication with poly-alpha olefin (PAO) and PAO containing five types of ZDDPs with different alkyl groups (primary-C4 ZDDP, secondary-C4 ZDDP, primary-C6 ZDDP, primary-C8 ZDDP and primary-C12 ZDDP). All our results suggest that the structure of the alkyl chain of ZDDPs strongly influence the tribological properties of the a-C:H/a-C:H and steel/steel tribopairs lubricated with ZDDP solutions.Hikaru OkuboSeiya WatanabeChiharu TadokoroYuki HirataShinya SasakiJapanese Society of Tribologistsarticledlca-c:hzddpalkyl groupsneutral-zddpbasic-zddpPhysicsQC1-999Engineering (General). Civil engineering (General)TA1-2040Mechanical engineering and machineryTJ1-1570ChemistryQD1-999ENTribology Online, Vol 12, Iss 5, Pp 221-228 (2017) |
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dlc a-c:h zddp alkyl groups neutral-zddp basic-zddp Physics QC1-999 Engineering (General). Civil engineering (General) TA1-2040 Mechanical engineering and machinery TJ1-1570 Chemistry QD1-999 |
| spellingShingle |
dlc a-c:h zddp alkyl groups neutral-zddp basic-zddp Physics QC1-999 Engineering (General). Civil engineering (General) TA1-2040 Mechanical engineering and machinery TJ1-1570 Chemistry QD1-999 Hikaru Okubo Seiya Watanabe Chiharu Tadokoro Yuki Hirata Shinya Sasaki Effects of Molecular Structure of Zinc Dialkyldithiophosphates on Tribological Properties of a Hydrogenated Amorphous Carbon Film under Boundary Lubrication |
| description |
The effects of the molecular structure of zinc dialkyldithiophosphates (ZDDPs) on the tribological properties of a hydrogenated amorphous carbon (a-C:H) film under boundary lubrication were investigated. Friction tests were performed at a-C:H/a-C:H and steel/steel contacts under lubrication with poly-alpha olefin (PAO) and PAO containing five types of ZDDPs with different alkyl groups (primary-C4 ZDDP, secondary-C4 ZDDP, primary-C6 ZDDP, primary-C8 ZDDP and primary-C12 ZDDP). All our results suggest that the structure of the alkyl chain of ZDDPs strongly influence the tribological properties of the a-C:H/a-C:H and steel/steel tribopairs lubricated with ZDDP solutions. |
| format |
article |
| author |
Hikaru Okubo Seiya Watanabe Chiharu Tadokoro Yuki Hirata Shinya Sasaki |
| author_facet |
Hikaru Okubo Seiya Watanabe Chiharu Tadokoro Yuki Hirata Shinya Sasaki |
| author_sort |
Hikaru Okubo |
| title |
Effects of Molecular Structure of Zinc Dialkyldithiophosphates on Tribological Properties of a Hydrogenated Amorphous Carbon Film under Boundary Lubrication |
| title_short |
Effects of Molecular Structure of Zinc Dialkyldithiophosphates on Tribological Properties of a Hydrogenated Amorphous Carbon Film under Boundary Lubrication |
| title_full |
Effects of Molecular Structure of Zinc Dialkyldithiophosphates on Tribological Properties of a Hydrogenated Amorphous Carbon Film under Boundary Lubrication |
| title_fullStr |
Effects of Molecular Structure of Zinc Dialkyldithiophosphates on Tribological Properties of a Hydrogenated Amorphous Carbon Film under Boundary Lubrication |
| title_full_unstemmed |
Effects of Molecular Structure of Zinc Dialkyldithiophosphates on Tribological Properties of a Hydrogenated Amorphous Carbon Film under Boundary Lubrication |
| title_sort |
effects of molecular structure of zinc dialkyldithiophosphates on tribological properties of a hydrogenated amorphous carbon film under boundary lubrication |
| publisher |
Japanese Society of Tribologists |
| publishDate |
2017 |
| url |
https://doaj.org/article/5c820d77f2264a99a969b5f8554a1852 |
| work_keys_str_mv |
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