随载荷的增大摩擦系数减小；
The friction coefficient decreases with the increase of load.
文中以一菌型叶根为对象，分析了界面摩擦系数和初始间隙对接触力分布、载荷分配及最大应力的影响。
Aimed at a straddle blade root, the influence of the interface friction coefficient and initial clearance on the contact force distribution, load distribution and the maximum stress is analyzed.
而镍与APS间的摩擦系数随滑动速度的增大而增大，随载荷的增大而减小。
However, the friction coefficient between Ni and APS increased with sliding velocity increasing and reduced with load increasing.
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