The originating mechanism of fatigue damage of sliding friction couples is analyzed and that the ultimate causation of fatigue damage is dynamical stress state is pointed out.
分析了滑动摩擦副疲劳损伤的产生机理， 指出疲劳损伤产生的根本原因是动应力状态。
2
Fatigue of metals is an energy dissipation process. The main energy dissipation includes the internal friction and the stored energy.
金属疲劳是一个能量耗散过程，其中主要的能量耗散形式包括内耗热和储能。
3
The FON treated work- pieces made of different materials have excellent anti-friction, anti- wear, anti-seizure, anti-fatigue and anti-corrosion properties.