Application of Micro Slurry-Jet Erosion (MSE) for the Evaluation of Surface Properties of PVD TiN / TiCN Two-Layer Coatings

In this study, the potential of a Micro Slurry-jet Erosion (MSE) test to swiftly evaluate the intrinsic surface strength properties of thin multi-layer coatings is demonstrated. A slurry containing 1.2 μm alumina particles was impacted at high velocity perpendicular to PVD TiN/TiCN (TiCN on t...

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Autores principales:	Yoshiro Iwai, Yoshiyasu Nanjo, Kenichi Okazaki, Masanori Tao, Eisuke Sentoku
Formato:	article
Lenguaje:	EN
Publicado:	Japanese Society of Tribologists 2017
Materias:	micro slurry-jet erosion mse, surface strength evaluation two-layer coating tin/ticn 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/96368cae9a1447d3a9bc770689678db7
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spelling	oai:doaj.org-article:96368cae9a1447d3a9bc770689678db72021-11-05T09:20:33ZApplication of Micro Slurry-Jet Erosion (MSE) for the Evaluation of Surface Properties of PVD TiN / TiCN Two-Layer Coatings1881-219810.2474/trol.12.49https://doaj.org/article/96368cae9a1447d3a9bc770689678db72017-05-01T00:00:00Zhttps://www.jstage.jst.go.jp/article/trol/12/2/12_49/_pdf/-char/enhttps://doaj.org/toc/1881-2198In this study, the potential of a Micro Slurry-jet Erosion (MSE) test to swiftly evaluate the intrinsic surface strength properties of thin multi-layer coatings is demonstrated. A slurry containing 1.2 μm alumina particles was impacted at high velocity perpendicular to PVD TiN/TiCN (TiCN on top of TiN) and TiN coatings deposited on high-speed steel by a hollow cathode discharge (HCD) or an cathodic arc (CA) method. In addition, nano-indentation and XRD, GDOES analyses were done for the original surfaces. By measuring the variation of erosion depth against test time, the MSE test made it possible to evaluate the individual erosion properties of TiCN and TiN layers independent of the substrate. Although the hardness of TiCN layers, coated by HCD or CA, was measured with nano-indentation and found to be approximately 20% higher than for TiN, the erosion rates of TiCN layers were found to be between 32% and 38% of the erosion rate of TiN. For the HCD coating, the erosion proceeded uniformly and produced a mostly smooth surface. On the other hand, for the CA coating, a pitted surface was observed. The existence of the hollows blemishes which caused by macroparticles i. e. droplets in the coating may affect the difference in the erosion rates between HCD and CA coatings. Consequently, the MSE test may be useful to evaluate the difference of the morphology of coatings as well as the surface strength which are related with the fabrication process.Yoshiro IwaiYoshiyasu NanjoKenichi OkazakiMasanori TaoEisuke SentokuJapanese Society of Tribologistsarticlemicro slurry-jet erosionmse, surface strength evaluationtwo-layer coatingtin/ticnPhysicsQC1-999Engineering (General). Civil engineering (General)TA1-2040Mechanical engineering and machineryTJ1-1570ChemistryQD1-999ENTribology Online, Vol 12, Iss 2, Pp 49-57 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	micro slurry-jet erosion mse, surface strength evaluation two-layer coating tin/ticn Physics QC1-999 Engineering (General). Civil engineering (General) TA1-2040 Mechanical engineering and machinery TJ1-1570 Chemistry QD1-999
spellingShingle	micro slurry-jet erosion mse, surface strength evaluation two-layer coating tin/ticn Physics QC1-999 Engineering (General). Civil engineering (General) TA1-2040 Mechanical engineering and machinery TJ1-1570 Chemistry QD1-999 Yoshiro Iwai Yoshiyasu Nanjo Kenichi Okazaki Masanori Tao Eisuke Sentoku Application of Micro Slurry-Jet Erosion (MSE) for the Evaluation of Surface Properties of PVD TiN / TiCN Two-Layer Coatings
description	In this study, the potential of a Micro Slurry-jet Erosion (MSE) test to swiftly evaluate the intrinsic surface strength properties of thin multi-layer coatings is demonstrated. A slurry containing 1.2 μm alumina particles was impacted at high velocity perpendicular to PVD TiN/TiCN (TiCN on top of TiN) and TiN coatings deposited on high-speed steel by a hollow cathode discharge (HCD) or an cathodic arc (CA) method. In addition, nano-indentation and XRD, GDOES analyses were done for the original surfaces. By measuring the variation of erosion depth against test time, the MSE test made it possible to evaluate the individual erosion properties of TiCN and TiN layers independent of the substrate. Although the hardness of TiCN layers, coated by HCD or CA, was measured with nano-indentation and found to be approximately 20% higher than for TiN, the erosion rates of TiCN layers were found to be between 32% and 38% of the erosion rate of TiN. For the HCD coating, the erosion proceeded uniformly and produced a mostly smooth surface. On the other hand, for the CA coating, a pitted surface was observed. The existence of the hollows blemishes which caused by macroparticles i. e. droplets in the coating may affect the difference in the erosion rates between HCD and CA coatings. Consequently, the MSE test may be useful to evaluate the difference of the morphology of coatings as well as the surface strength which are related with the fabrication process.
format	article
author	Yoshiro Iwai Yoshiyasu Nanjo Kenichi Okazaki Masanori Tao Eisuke Sentoku
author_facet	Yoshiro Iwai Yoshiyasu Nanjo Kenichi Okazaki Masanori Tao Eisuke Sentoku
author_sort	Yoshiro Iwai
title	Application of Micro Slurry-Jet Erosion (MSE) for the Evaluation of Surface Properties of PVD TiN / TiCN Two-Layer Coatings
title_short	Application of Micro Slurry-Jet Erosion (MSE) for the Evaluation of Surface Properties of PVD TiN / TiCN Two-Layer Coatings
title_full	Application of Micro Slurry-Jet Erosion (MSE) for the Evaluation of Surface Properties of PVD TiN / TiCN Two-Layer Coatings
title_fullStr	Application of Micro Slurry-Jet Erosion (MSE) for the Evaluation of Surface Properties of PVD TiN / TiCN Two-Layer Coatings
title_full_unstemmed	Application of Micro Slurry-Jet Erosion (MSE) for the Evaluation of Surface Properties of PVD TiN / TiCN Two-Layer Coatings
title_sort	application of micro slurry-jet erosion (mse) for the evaluation of surface properties of pvd tin / ticn two-layer coatings
publisher	Japanese Society of Tribologists
publishDate	2017
url	https://doaj.org/article/96368cae9a1447d3a9bc770689678db7
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Application of Micro Slurry-Jet Erosion (MSE) for the Evaluation of Surface Properties of PVD TiN / TiCN Two-Layer Coatings

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