NDLI: Dry abrasion property of TiN-matrix coating deposited by reactive High Velocity Oxygen Fuel (HVOF) spraying

Content Provider	Springer Nature Link
Author	Mao, Zhengping Ma, Jing Wang, Jun Sun, Baode
Copyright Year	2009
Abstract	A TiN-matrix coating with a thickness of about 400 μm was prepared by reactive high velocity oxygen fuel (HVOF) spraying on carbon steel in air. The phase composition, microhardness, and antiabrasion properties of the coating were investigated using x-ray diffraction (XRD), an energy dispersive spectrometer (EDS), a scanning electron microscope (SEM), a Vickers microhardness tester, and block-on-ring abrasive equipment. The abrasion mechanism of TiN-matrix coating under dry abrasion conditions was also discussed. The results indicate that the composition of the coating is main phases of TiN and TiN$_{0.3}$, minor phases of Ti$_{2}$O$_{3}$, and TiO$_{2}$. The TiN-matrix coating possesses high microhardness and relatively good toughness. Furthermore, the friction coefficient of the coating decreases with the increment of applied load. The interstratified distribution of titanium oxides can act as a solid lubricant during the wear test. The main abrasion mechanism of the TiN-matrix coating is adhesion wear. In addition, the coating with self-lubricating property can improve the antiwear property of the substrate significantly.
Starting Page	253
Ending Page	259
Page Count	7
File Format	PDF
ISSN	15470091
Journal	JCT Research
Volume Number	7
Issue Number	2
e-ISSN	19353804
Language	English
Publisher	Springer US
Publisher Date	2009-04-14
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Reactive spraying High velocity oxygen fuel (HVOF) spraying Dry abrasion Self-lubricating Materials Science Industrial Chemistry/Chemical Engineering Polymer Sciences Surfaces and Interfaces, Thin Films Tribology, Corrosion and Coatings
Content Type	Text
Resource Type	Article
Subject	Chemistry Surfaces, Coatings and Films Colloid and Surface Chemistry Surfaces and Interfaces

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