NDLI: Friction and wear behaviors of MoS2/Zr coated HSS in sliding wear and in drilling processes

Content Provider	Springer Nature Link
Author	Deng, Jianxin Yan, Pei Wu, Ze
Copyright Year	2012
Abstract	MoS2 metal composite coatings have been successful used in dry turning, but its suitability for dry drilling has not been yet established. Therefore, it is necessary to study the friction and wear behaviors of MoS2/Zr coated HSS in sliding wear and in drilling processes. In the present study, MoS2/Zr composite coatings are deposited on the surface of W6Mo5Cr4V2 high speed steel(HSS). Microstructural and fundamental properties of these coatings are examined. Ball-on-disc sliding wear tests on the coated discs are carried out, and the drilling performance of the coated drills is tested. Test results show that the MoS2/Zr composite coatings exhibit decreases friction coefficient to that of the uncoated HSS in sliding wear tests. Energy dispersive X-ray(EDX) analysis on the wear surface indicates that there is a transfer layer formed on the counterpart ball during sliding wear processes, which contributes to the decreasing of the friction coefficient between the sliding couple. Drilling tests indicate that the MoS2/Zr coated drills show better cutting performance compared to the uncoated HSS drills, coating delamination and abrasive are found to be the main flank and rake wear mode of the coated drills. The proposed research founds the base of the application of MoS2 metal composite coatings on dry drilling.
Starting Page	1218
Ending Page	1223
Page Count	6
File Format	PDF
ISSN	10009345
Journal	Chinese Journal of Mechanical Engineering
Volume Number	25
Issue Number	6
Language	English
Publisher	Chinese Mechanical Engineering Society
Publisher Date	2012-10-25
Publisher Place	Beijing
Access Restriction	Subscribed
Subject Keyword	cutting tools coating MoS2 wear mechanisms Theoretical and Applied Mechanics Electronics and Microelectronics, Instrumentation Manufacturing, Machines, Tools Power Electronics, Electrical Machines and Networks Mechanical Engineering Engineering Thermodynamics, Heat and Mass Transfer
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Mechanical Engineering

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