摩擦系数是指两表面间的摩擦力和作用在其一表面上的垂直力之比值。它是和表面的粗糙度有关，而和接触面积的大小无关。依运动的性质，它可分为动摩擦系数和静摩擦系数。滑动摩擦力是两物体相互接触发生相对滑动而产生的。
BISAR路面结构计算程序中，采用剪切弹性应力一应变关系(Shear spring compliance)代替摩擦系数(Friction coefficient)作为层间粘结状态的评价指标。
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静摩擦系数 [力] coefficient of static friction ; Haftreibungszahl ; repose friction factor
当量摩擦系数 equivalent coefficient of friction
滑动摩擦系数 [力] coefficient of sliding friction ; sliding coefficient of friction ; sliding friction coefficient
动摩擦系数 coefficient of dynamic friction ; [力] coefficient of kinetic friction ; kinetic friction coefficient ; moving friction factor
滚动摩擦系数 [力] coefficient of rolling friction ; rolling friction coefficient ; coefficient of tigidity
内摩擦系数 coefficient of internal friction ; [力] internal friction coefficient
巴布科克摩擦系数 [流] Babcock coefficient of friction
表面摩擦系数 skin-friction coefficient ; coefficient of surface friction ; coefficient of skin friction
范宁摩擦系数 [流] Fanning friction factor ; Fanning friction coefficient
The porosity displayed little influence on the friction coefficient of 10ADZ ceramics, but the wear resistance was decreased with the increase of the porosity.
陶瓷的摩擦系数不受气孔率的影响，陶瓷的磨损率随气孔率的增大而增加。
参考来源 - YWhen the time was extended, the coefficient of friction became stable.
随时间的延长，材料的摩擦系数趋于稳定。
参考来源 - 航空发动机轴间密封用C/C复合材料的滑动磨擦磨损特性研究A new method is presented to calculate the friction factor for coiled capillaries, which is that Churchill equation is fitted into the form of Blasius equation and the parameters are applied into the MN type friction factor correlations.
提出了利用Churchill方程拟合成Blasius型摩擦系数方程并将其参数应用于MN型螺旋管摩擦系数关系式的新方法,模拟结果与大量的实验数据比较证明效果良好。
参考来源 - 绝热毛细管制冷剂流动特性及与系统匹配研究The results of experiments show that the forming property of complicated drawing parts has close relations with of friction and the stress in the direction of stamping is the smallest when frictional coefficient is equal to μ3.
结果表明：模拟某复杂零件成形性能与摩擦系数关系密切；当摩擦系数为μ3时，冲压方向最大应力最小。
参考来源 - 应用数值模拟技术研究摩擦对板料拉深成形的影响 Study of the Effect of the Friction on Deep Drawing of Sheet Metal by Using Numerical Simulation TechniqueThe thixoforming parameters had no obvious influence on the friction coefficient.
不同的触变成形工艺参数对AZ91D镁合金的摩擦系数影响不大。
参考来源 - AZ91D镁合金耐磨性及其表面微弧氧化膜的制备与性能研究When the coatings were in lubricated wear test, the coefficient of friction rapid reduce to 0.12.
陶瓷层涂抹润滑油后,与钢球对磨的摩擦系数降低至0.12。
参考来源 - TB2合金微弧氧化陶瓷层组织形貌和摩擦性能The measured flow friction factor was well fitted by the empirical and semi-empirical equations.
实验测得的摩擦系数结果与经验、半经验关联式有较好的吻合。
参考来源 - 水合物浆体在直管中的流动换热特性研究Selection of n value, r valuematerial of parameters and punch virtual velocity, blank-hold force, frication coefficient and radius of die that affect a lot on simulation precision are analysed carefully by specific example.
本文通过具体算例，重点分析了材料参数n值、r值和工艺参数压边力、摩擦系数、凹模圆角、凸模速度参数对模拟结果的影响，给出了不同n值、r值条件下的FLD及各工艺参数对成形质量影响的曲线。
参考来源 - 盒形覆盖件拉延成形数值模拟及工艺参数优化It was testified that the formula calculating results were in a good accordance with the experimental results which showed the curve of single-phase frictional coefficient vs. time length was presented in a sinusoid mode.
新提出的计算式能很好地反映出在摇摆这一特定条件下,单相水摩擦系数与时间的关系呈现出近似正弦曲线的周期性变化的特点。
参考来源 - 摇摆对水平管内气水两相流影响的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
你们同样可以，计算摩擦系数。
That should allow you to also calculate the friction coefficient.
我讲过，摩擦系数，与物体质量无关。
I told you that the friction coefficient is independent of the mass of the object.
木板哪怕沾了一点水，局部的摩擦系数就会改变。
A little bit of water on the plank would locally make the friction coefficients larger.
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