Friction and Wear Behaviors of WC-Co/WC-Co Pairs in Air

Hiroyuki Hosokawa; Takeshi Nakajima; Koji Shimojima

doi:10.4028/www.scientific.net/MSF.534-536.1193

Paper Titles

Effects of Inhibitors on the Synthesization of WC/Co Composite Powders by Mechanochemical Method
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Electro Discharge Compaction of WC-Co Composite Material Containing Particles of Diamond
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Fabrication of Nano-Sized WC/Co Composite Powder by Direct Reduction and Carburization with Carbon
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Formation of Twinned WC Grains during Carbonization of Eta Phase (W₃Co₃C)
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Friction and Wear Behaviors of WC-Co/WC-Co Pairs in Air
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Hybrid Composite Nano-Sized WC-Co Cemented Carbide
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Influence of Cobalt Content on the Fatigue Strength of WC-Co Hardmetals
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Measurement of WC Grain Size in Nanocrystalline WC-10Co Hardmetal
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Microstructural and Mechanical Characteristics of in Situ Synthesized Chromium-Nickel-Graphite Composites
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HomeMaterials Science ForumMaterials Science Forum Vols. 534-536Friction and Wear Behaviors of WC-Co/WC-Co Pairs...

Friction and Wear Behaviors of WC-Co/WC-Co Pairs in Air

Abstract:

To investigate sliding friction and wear behaviors of WC–Co/WC–Co pairs containing different WC grain sizes, the ball-on-disc test in air were carried out for WC-Co containing WC grain sizes of 0.5 μm (F.G.) and 1.5 μm (C.G.). The results show that the wear volume of F.G. pin for F.G. pin/C.G. disc is larger than that of F.G. pin for F.G. pin/F.G. disc due to higher friction coefficient, and the surfaces after wear test are richer in oxygen compared to those before test. Furthermore, the wear debris, which is composed of nona-scale grains, after the wear test are remarkably richer in oxygen than to those before test. The diffraction pattern reveals sharp ring

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Materials Science Forum (Volumes 534-536)

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1193-1196

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https://doi.org/10.4028/www.scientific.net/MSF.534-536.1193

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Online since:

January 2007

Authors:

Hiroyuki Hosokawa, Takeshi Nakajima, Koji Shimojima

Keywords:

Friction, Microstructure, WC-Co, Wear

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