To study the effect of laser honing on friction and wear properties,the friction coefficient be-tween cylinder liner testing block and piston ring as well as the wear of bottom cylinder liner testing block were measured by varying area density of micro-pitsS p and micro-pits distribution angleθ.Results show that temperature and friction coefficient between the friction pairs reach their minimum values at θ = 30°,and the wear gives its lowest value at θ = 45.° Best friction and wear properties achieves at ε = 0.1,θ = 30°,S p = 35%.Compared with the mechanical honing,the laser honing gives the lower friction coefficient and less wear.
; 杨明江
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