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The effect of doping elements on the friction and wear properties of silicon carbide is investigated in unlubricated sliding under varying humidity conditions. Doping elements (Al, Mg and P) appreciably affect the friction coefficient at lower humidity (30% RH) than at higher humidity (60% RH). The change in the kinetics of tribochemical reactions at lower humidity is attributed to chemisorption and...
In this study, the effects of relative humidity and doping elements are highlighted on the friction and wear properties of SiC in unlubricated condition. At higher humidity, the friction coefficient values (~0.25) are low and are independent of doping elements. The effect of doping (varying from 400 to 3000 ppm) is more pronounced at lower humidity and the friction coefficient values decrease (as...
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