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Abrasive Wear Property of Stellite190 Welding Coatings for Drill Tools

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Abstract:

In order to improve the wear resistance of drill tools, stellite190 welding coatings were prepared by oxygen-acetylene flame welding technology. The abrasive wear behavior and wear mechanisms of the coatings were investigated in both dry and water friction conditions. The research results show that the wear losses of the coatings increase with the increase of loads and sliding speeds. The effects of sliding speeds on wear losses of the coatings become intense with the increase of loads. The wear losses of the coatings in water friction condition are bigger than those in dry friction condition. The main wear mechanisms of the coatings are micro-cutting and multi-plastic deformation wear in dry friction condition, and accompanied by stress corrosive wear in water friction condition.

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Periodical:

Advanced Materials Research (Volumes 314-316)

Pages:

1415-1419

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.314-316.1415

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Online since:

August 2011

Authors:

Ye Fa Tan, Xiao Long Wang, Yi Qiang Tu, Hua Tan, Chun Hua Zhou, Long He

Keywords:

Coating, Drill Tool, Friction and Wear, Stellite190, Welding

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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