Study on Frictional Wear Property of the High Vanadium High Speed Steel

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The frictional resistance and abrasion mechanism of high vanadium high speed steel were studied by the self-made friction wear testing machine under the conditions of 10% slip-roll ratio. Results show that the frictional resistance increases with the increase of carbon content and is optimal when the carbon content is 2.92%. The carbon content affect the wear resistance by changing the amount of the retained austenite and the shapes of carbides, the moderate quantities of retained austenite makes the matrix have better impact toughness and hardness; The spherical VC can prevent the initiation and expansion of cracks forming and make the frictional resistance increase. The abrasion mechanism is fatigue flake under the condition of rolling and sliding.

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Edited by:

Hun Guo, Zuo Dunwen, Hongli Xu, Chun Su, Chunjie Liu and Weidong Jin

Pages:

252-257

Citation:

H. M. Chen and L. J. Xu, "Study on Frictional Wear Property of the High Vanadium High Speed Steel", Key Engineering Materials, Vol. 458, pp. 252-257, 2011

Online since:

December 2010

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$38.00

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