surface friction coefficient

Quasicrystals have been widely applied for surface protection coating because of their distinguished properties including low thermal conductivity and coefficient of friction, remarkable oxidation and wear resistances, and high hardness etc.

准晶材料具有低热导率、低磨擦系数、良好的耐磨性和抗氧化性、高硬度、高温塑性等优异性能，使之适于作为表面防护涂层。

Road safety performance is evaluated through the skid resistance of road, and the friction coefficient to evaluate the skid resistance is the most important indicators, so accurate and efficient detection and evaluation of road surface friction coefficient is essential.

路面的安全性能是通过路面的抗滑性能来表现的，而路面摩擦系数就是评价其抗滑性能最重要的指标，因此准确、高效的检测和评价路面的摩擦系数是十分必要的。

The results show that a higher precipitated calcium carbonate ( PCC) ratio to clay in the mixed pigments resulted in a higher static and dynamic friction coefficient and calendering decreased the surface roughness and the friction coefficient of the coated paper;

结果表明：在沉淀碳酸钙和瓷土混合颜料配方中，沉淀碳酸钙含量较高时涂布纸表面的静态和动态摩擦系数较高，而采用压光可降低涂层表面粗糙度和摩擦系数；

The smallest friction coefficient of the graphite at 400 ℃ in air was attributed to the thermal chemical reaction among the carbon atoms of high activity and the atmospheric oxygen, which led to the formation of a reaction film with good lubricity on the rubbing surface.

其原因在于，石墨在较高温度下同空气发生氧化反应，在摩擦表面形成具有减摩作用的反应膜，从而使摩擦系数减小。

Different models' responses to various steering conditions, including velocity, front-wheel corner and friction coefficient of road surface, are analyzed, which explain that the tire nonlinearity between slip angle and cornering force have effects on the simulation results.

针对不同的使用参数，包括车速、前轮转角和路面摩擦系数，对不同模型的仿真结果进行比较分析，说明了轮胎的侧偏角和侧偏力之间存在的非线性关系对仿真结果的影响。

The results show that surface convexes can reduce the friction coefficient obviously under lubricated conditions.

采用销-盘摩擦试验机评价规则微凸表面在不同载荷和速度下的摩擦学性能.

Through the friction test inspection test carbon fiber board surface friction coefficient, and based on this designs the jig.

通过摩擦试验检验试验碳纤维板表面摩擦系数，并在此基础上设计夹具。

Furthermore, as the drying time increased, the friction coefficient of enamel surface increased accompanied with obvious fluctuation, and the scratch depth on the surface of increased, resulting in more wear.

纳米划痕实验结果显示，随着干燥时间增长，牙釉质表面摩擦系数增大，且呈现显著波动，划痕深度增加，磨损加剧。

The results show that micro-cycle grid texture sliding surface can decrease friction coefficient effectively, and the geometry parameters have couple effects on the lubrication characteristic. The theoretical approach established providing a rudimental method for optimizing the design of grid textured surface.

结果表明：具有微循环网格形态的滑动表面可有效地改善其摩擦系数，其几何参数对润滑的影响呈现互耦合机制；该研究可为滑动表面微循环网格织构优化设计提供理论基础。