Evaluation of Friction Durability of Extremely Thin Diamond-Like Carbon Films by Statistical Cluster and Regression Analyses of Friction Coefficient

We studied the tribological properties of extremely thin DLC films at high temperature. The films were deposited on nickel phosphorus (NiP) or Si substrates using filtered cathodic vacuum arc (FCVA) or plasma chemical vapor deposition (P-CVD). The nanoindentation hardness values and elastic moduli o...

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Autores principales:	Shojiro Miyake, Masatoshi Miyake
Formato:	article
Lenguaje:	EN
Publicado:	Japanese Society of Tribologists 2021
Materias:	diamond-like carbon extremely thin film high-temperature tribological durability film substrate statistical cluster analysis of frictioncoefficient Physics QC1-999 Engineering (General). Civil engineering (General) TA1-2040 Mechanical engineering and machinery TJ1-1570 Chemistry QD1-999
Acceso en línea:	https://doaj.org/article/e641e74484204ea6991ab8630d5ffbc1
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spelling	oai:doaj.org-article:e641e74484204ea6991ab8630d5ffbc12021-11-05T09:31:04ZEvaluation of Friction Durability of Extremely Thin Diamond-Like Carbon Films by Statistical Cluster and Regression Analyses of Friction Coefficient1881-219810.2474/trol.16.113https://doaj.org/article/e641e74484204ea6991ab8630d5ffbc12021-04-01T00:00:00Zhttps://www.jstage.jst.go.jp/article/trol/16/2/16_113/_pdf/-char/enhttps://doaj.org/toc/1881-2198We studied the tribological properties of extremely thin DLC films at high temperature. The films were deposited on nickel phosphorus (NiP) or Si substrates using filtered cathodic vacuum arc (FCVA) or plasma chemical vapor deposition (P-CVD). The nanoindentation hardness values and elastic moduli of the films were lower on NiP than on Si. The nanofriction force of the FCVA-DLC film on NiP was low at room temperature, but very high at high temperature. In this hard film, the lubricous adsorbate was removed by sliding at high temperature, making it easily damaged through the large deformation of NiP. In contrast, the friction force of the P-CVD-DLC films on both substrates was low at high temperatures. In this case, the lubricous tribochemical products from the P-CVD-DLC film reduced friction and wear. The friction map dependences on load and number of reciprocating cycles were evaluated using a friction test and statistical cluster analysis. The friction durability of both films depended more strongly on load on NiP than on Si, with the friction coefficients on Si being almost independent of load. At high temperatures and load, the durability of the FCVA-DLC film on NiP decreased and this film was easily damaged.Shojiro MiyakeMasatoshi MiyakeJapanese Society of Tribologistsarticlediamond-like carbonextremely thin filmhigh-temperature tribological durabilityfilm substratestatistical cluster analysis of frictioncoefficientPhysicsQC1-999Engineering (General). Civil engineering (General)TA1-2040Mechanical engineering and machineryTJ1-1570ChemistryQD1-999ENTribology Online, Vol 16, Iss 2, Pp 113-124 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	diamond-like carbon extremely thin film high-temperature tribological durability film substrate statistical cluster analysis of frictioncoefficient Physics QC1-999 Engineering (General). Civil engineering (General) TA1-2040 Mechanical engineering and machinery TJ1-1570 Chemistry QD1-999
spellingShingle	diamond-like carbon extremely thin film high-temperature tribological durability film substrate statistical cluster analysis of frictioncoefficient Physics QC1-999 Engineering (General). Civil engineering (General) TA1-2040 Mechanical engineering and machinery TJ1-1570 Chemistry QD1-999 Shojiro Miyake Masatoshi Miyake Evaluation of Friction Durability of Extremely Thin Diamond-Like Carbon Films by Statistical Cluster and Regression Analyses of Friction Coefficient
description	We studied the tribological properties of extremely thin DLC films at high temperature. The films were deposited on nickel phosphorus (NiP) or Si substrates using filtered cathodic vacuum arc (FCVA) or plasma chemical vapor deposition (P-CVD). The nanoindentation hardness values and elastic moduli of the films were lower on NiP than on Si. The nanofriction force of the FCVA-DLC film on NiP was low at room temperature, but very high at high temperature. In this hard film, the lubricous adsorbate was removed by sliding at high temperature, making it easily damaged through the large deformation of NiP. In contrast, the friction force of the P-CVD-DLC films on both substrates was low at high temperatures. In this case, the lubricous tribochemical products from the P-CVD-DLC film reduced friction and wear. The friction map dependences on load and number of reciprocating cycles were evaluated using a friction test and statistical cluster analysis. The friction durability of both films depended more strongly on load on NiP than on Si, with the friction coefficients on Si being almost independent of load. At high temperatures and load, the durability of the FCVA-DLC film on NiP decreased and this film was easily damaged.
format	article
author	Shojiro Miyake Masatoshi Miyake
author_facet	Shojiro Miyake Masatoshi Miyake
author_sort	Shojiro Miyake
title	Evaluation of Friction Durability of Extremely Thin Diamond-Like Carbon Films by Statistical Cluster and Regression Analyses of Friction Coefficient
title_short	Evaluation of Friction Durability of Extremely Thin Diamond-Like Carbon Films by Statistical Cluster and Regression Analyses of Friction Coefficient
title_full	Evaluation of Friction Durability of Extremely Thin Diamond-Like Carbon Films by Statistical Cluster and Regression Analyses of Friction Coefficient
title_fullStr	Evaluation of Friction Durability of Extremely Thin Diamond-Like Carbon Films by Statistical Cluster and Regression Analyses of Friction Coefficient
title_full_unstemmed	Evaluation of Friction Durability of Extremely Thin Diamond-Like Carbon Films by Statistical Cluster and Regression Analyses of Friction Coefficient
title_sort	evaluation of friction durability of extremely thin diamond-like carbon films by statistical cluster and regression analyses of friction coefficient
publisher	Japanese Society of Tribologists
publishDate	2021
url	https://doaj.org/article/e641e74484204ea6991ab8630d5ffbc1
work_keys_str_mv	AT shojiromiyake evaluationoffrictiondurabilityofextremelythindiamondlikecarbonfilmsbystatisticalclusterandregressionanalysesoffrictioncoefficient AT masatoshimiyake evaluationoffrictiondurabilityofextremelythindiamondlikecarbonfilmsbystatisticalclusterandregressionanalysesoffrictioncoefficient
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Evaluation of Friction Durability of Extremely Thin Diamond-Like Carbon Films by Statistical Cluster and Regression Analyses of Friction Coefficient

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