NDLI: High-temperature tribological behavior of a NiCoCrAlY/ZrO2 duplex coating on γ-TiAl alloy

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High-temperature tribological behavior of a NiCoCrAlY/ZrO2 duplex coating on γ-TiAl alloy

Content Provider	Scilit
Author	Ding, Zheng Miao, Qiang Liang, Wenping Yang, Zhengang An, Hao Yi, Jinwei Lin, Hao
Copyright Year	2019
Description	Journal: Materials Research Express A dense NiCoCrAlY/ZrO2 duplex coating was deposited onto the γ-TiAl alloy by magnetron sputtering technology for the purpose of improving its friction and wear properties at high temperature. Some tests of the ball-on-disk type that were against Si3N4 counterpart, were performed at room temperature and 500 °C. The average friction coefﬁcients as well as the wear rates of NiCoCrAlY/ZrO2 duplex coatings were greatly less than those of substrates at both temperatures. Besides, the H/E and H3/E2 value of the NiCoCrAlY/ZrO2 coatings were much higher than that of the substrate. The excellent wear-resisting property of NiCoCrAlY/ZrO2 duplex coating was caused by the synergistic effect of its high hardness and outstanding plastic-deformation resistance.
Related Links	https://iopscience.iop.org/article/10.1088/2053-1591/ab28f8/pdf
ISSN	20531591
e-ISSN	20531591
DOI	10.1088/2053-1591/ab28f8
Journal	Materials Research Express
Issue Number	8
Volume Number	6
Language	English
Publisher	IOP Publishing
Publisher Date	2019-06-11
Access Restriction	Open
Subject Keyword	Journal: Materials Research Express Coatings and Films Metallurgy and Metallurgical Engineering Nicocraly/zro2 Duplex Coating
Content Type	Text
Resource Type	Article
Subject	Surfaces, Coatings and Films Metals and Alloys Biomaterials Electronic, Optical and Magnetic Materials Polymers and Plastics

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