friction layer

基本解释

The effects of high-temperature friction time on spheroidization and refinement of Si phases in friction surface layer of AlSi30 alloy were investigated.
研究了高温摩擦时间对铝硅合金摩擦表层组织中硅相平均直径和球状因子的影响。
The causes of friction performance change at different conditions and friction layer function were also presented, And listed some problems needing further research.
同时，对不同情况下摩擦性能变化原因和摩擦面间的摩擦膜作用加以初步分析，并提出了需要进一步研究的问题。
Aiming at the features and problems of brake blocks for petroleum drillers, asbestos-free double layer brake ones with high performance, having a support layer and a friction layer, were developed.
针对石油钻机用刹车块的特点及存在问题，研制了一种具有支撑层和摩擦层的双层无石棉高性能刹车块。

Mizuno reckons that by reducing friction, keeping the flow orderly and delaying separation of the boundary layer, its new suits offer the average female swimmer 9.5% less drag than a conventional costume.
ECONOMIST: The turbulent world of swimming

the atmospheric layer extending up to about 600 m, in which the aerodynamic effects of surface friction are appreciable