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Effect of Friction Reactive Film on Anti-seizure Property of AlSiCuPb Alloy

LüXiao-xia,LU You,LU Yun,AN Jian(College of Materials Science and Engineering,Jilin University,Changchun Jilin130025,China)  
The friction and wear properties of AlSiCuPb alloy under dry sliding conditions,especially anti-seizure property are studied.Results indicates that a friction reactive film composed of Al,Si,Pb,O compounds and formed on the worn surface can effectively improves the anti-seizure property of hot extruded casting alloy.For the alloy containing20wt.%or25wt.%Pb,When the reactive film almost covered entire worn surface,a steady wear rate and lower friction coefficient can be obtained.The reactive film plays an important role to improve the anti-seizure property.
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