{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1360565166139335552.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1016/j.triboint.2016.10.016"}},{"identifier":{"@type":"URI","@value":"https://api.elsevier.com/content/article/PII:S0301679X16303772?httpAccept=text/plain"}},{"identifier":{"@type":"URI","@value":"https://api.elsevier.com/content/article/PII:S0301679X16303772?httpAccept=text/xml"}}],"resourceType":"学術雑誌論文(journal article)","dc:title":[{"@value":"Clarification of high wear resistance mechanism of ta-CNx coating under poly alpha-olefin (PAO) lubrication"}],"description":[{"notation":[{"@value":"Abstract   Tetrahedral amorphous carbon nitride (ta-CNx) is suitable for tribological application due to its excellent mechanical and adhesion properties. In this study, ta-CNx coatings with N/C ratios (0–11%) are deposited by ion beam assisted filtered arc deposition (IBA-FAD), and the tribological properties are investigated with a ball-on-disk tribo-tester. The results show that nitrogen doping decreases the fraction of sp 3  bonding, hardness, Young's modulus and roughness. In oil ta-CNx presents slightly decreasing friction coefficient and improving wear resistance with the N/C ratio, indicating softer ta-CNx with better wear resistance. The lower surface roughness after friction of high nitrogen content ta-CNx makes it more likely to transit to mixed lubrication, resulting in lower contact load that can explain the better wear resistance."}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1380003444365695620","@type":"Researcher","foaf:name":[{"@value":"Xiaoxu Liu"}]},{"@id":"https://cir.nii.ac.jp/crid/1380003444365695621","@type":"Researcher","foaf:name":[{"@value":"Ryo Yamaguchi"}]},{"@id":"https://cir.nii.ac.jp/crid/1420564276176933376","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"70203586"},{"@type":"NRID","@value":"1000070203586"},{"@type":"NRID","@value":"9000404089352"},{"@type":"NRID","@value":"9000360586175"},{"@type":"NRID","@value":"9000003734898"},{"@type":"NRID","@value":"9000412364587"},{"@type":"NRID","@value":"9000410487415"},{"@type":"NRID","@value":"9000406560490"},{"@type":"NRID","@value":"9000017578744"},{"@type":"NRID","@value":"9000020109030"},{"@type":"NRID","@value":"9000298259532"},{"@type":"NRID","@value":"9000414514440"},{"@type":"NRID","@value":"9000408892036"},{"@type":"NRID","@value":"9000256273512"},{"@type":"NRID","@value":"9000009210115"},{"@type":"NRID","@value":"9000020109000"},{"@type":"NRID","@value":"9000022153084"},{"@type":"NRID","@value":"9000243849952"},{"@type":"NRID","@value":"9000003834405"},{"@type":"NRID","@value":"9000415040381"},{"@type":"NRID","@value":"9000021204668"},{"@type":"NRID","@value":"9000020926802"},{"@type":"NRID","@value":"9000408891827"},{"@type":"NRID","@value":"9000283194896"},{"@type":"NRID","@value":"9000391685108"},{"@type":"NRID","@value":"9000402076807"},{"@type":"NRID","@value":"9000021464771"},{"@type":"NRID","@value":"9000361705426"},{"@type":"NRID","@value":"9000412019193"},{"@type":"NRID","@value":"9000392445993"},{"@type":"NRID","@value":"9000392475923"},{"@type":"NRID","@value":"9000398632300"},{"@type":"NRID","@value":"9000363169192"},{"@type":"NRID","@value":"9000330666223"},{"@type":"NRID","@value":"9000409468349"},{"@type":"NRID","@value":"9000401742975"},{"@type":"NRID","@value":"9000020965970"},{"@type":"NRID","@value":"9000361705432"},{"@type":"NRID","@value":"9000412650686"},{"@type":"NRID","@value":"9000402019113"},{"@type":"NRID","@value":"9000409880409"},{"@type":"NRID","@value":"9000396151890"},{"@type":"NRID","@value":"9000415322918"},{"@type":"NRID","@value":"9000240067313"},{"@type":"NRID","@value":"9000414514472"},{"@type":"NRID","@value":"9000405705454"},{"@type":"NRID","@value":"9000283195027"},{"@type":"NRID","@value":"9000392476048"},{"@type":"NRID","@value":"9000410743331"},{"@type":"NRID","@value":"9000017578771"},{"@type":"NRID","@value":"9000003783611"},{"@type":"NRID","@value":"9000322105501"},{"@type":"NRID","@value":"9000240067291"},{"@type":"NRID","@value":"9000402026743"},{"@type":"NRID","@value":"9000411089321"},{"@type":"NRID","@value":"9000409988305"},{"@type":"NRID","@value":"9000406560494"},{"@type":"NRID","@value":"9000020951020"},{"@type":"NRID","@value":"9000020061986"},{"@type":"NRID","@value":"9000347545356"},{"@type":"NRID","@value":"9000258645392"},{"@type":"NRID","@value":"9000415396601"},{"@type":"NRID","@value":"9000021226006"},{"@type":"NRID","@value":"9000401743124"},{"@type":"NRID","@value":"9000399230120"},{"@type":"NRID","@value":"9000256277092"},{"@type":"NRID","@value":"9000238780914"},{"@type":"NRID","@value":"9000259860895"},{"@type":"NRID","@value":"9000007384066"},{"@type":"NRID","@value":"9000414201222"},{"@type":"NRID","@value":"9000242341572"},{"@type":"NRID","@value":"9000322105461"},{"@type":"NRID","@value":"9000345322087"},{"@type":"NRID","@value":"9000410270358"},{"@type":"RESEARCHMAP","@value":"https://researchmap.jp/read0157642"}],"foaf:name":[{"@value":"Noritsugu Umehara"}]},{"@id":"https://cir.nii.ac.jp/crid/1380003444365695618","@type":"Researcher","foaf:name":[{"@value":"Xingrui Deng"}]},{"@id":"https://cir.nii.ac.jp/crid/1380003444365695617","@type":"Researcher","foaf:name":[{"@value":"Hiroyuki Kousaka"}]},{"@id":"https://cir.nii.ac.jp/crid/1380003444365695619","@type":"Researcher","foaf:name":[{"@value":"Motoyuki Murashima"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"0301679X"}],"prism:publicationName":[{"@value":"Tribology International"}],"dc:publisher":[{"@value":"Elsevier 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