The results showed that for the material without graphite, the main wear mechanism was adhesive, the friction coefficient(μ) and wear rate(△ W) were larger; 结果表明:不含石墨时,材料的摩擦系数和磨损率均较大,磨损主要为粘着磨损;
Effect of Non-component Adhesive on the Friction and Wear Performances of Paper-based Friction Material 非组分黏接剂对纸基摩擦材料摩擦磨损性能的影响
Assuming that the yield pressure and the local adhesive friction coefficient are independent on the contact spot and equal to the average values in the plastic contact regimes, the total adhesive friction coefficient is given by simple formulae. 假设屈服压力及局部粘着摩擦系数不依赖于接触斑点且等于塑性接触区中的平均值,则总的粘着摩擦系数可用简单的表达式描述。
Adhesive friction and Transporting Safety 附着摩擦与运输安全性
We also find that, due to the water vapor condensation, the adhesive force and friction coefficient on sample surfaces increase first, then decrease with the relative humidity increase. 由于强的亲水性,样品表面的摩擦系数和黏附力随着湿度的增大先逐渐增大,然后急剧减小。
The main wear mechanisms of nylon 1010 composites are fatigue fracture and adhesive wear and it can be observed that the GF is rubbed, fractured and peeled off under dry friction condition. 干摩擦下的复合材料磨损以疲劳断裂和粘着为主,且纤维出现磨损、断裂及从基体中剥落的现象。
The cause of adhesive wear of plunger-cylinder wall friction pair in axial plunger pump and its solution 轴向柱塞泵柱塞&缸孔摩擦副粘着磨损原因及解决办法
Near the latter point, the strain velocity of adhesive friction and that of slide friction is near to be equal and friction coefficient has almost no effect to the strain velocity with slide friction. 在轧件与轧辊分离处,变形速度为零,在这点附近粘着摩擦和滑动摩擦变形速度值接近相等,摩擦系数几乎不影响滑动摩擦情况下的变形速度。
Calculation of Rolling Strain Velocity in Consideration of Adhesive Friction and Slide Friction 考虑粘着摩擦和滑动摩擦的轧制变形速度的计算
The mechanism shows hysteresis friction at low load while adhesive friction at high load. 在较低载荷时,***橡胶表现为滞后摩擦,在较高载荷时,表现为粘着摩擦;
It's believed that the main wear mechanism is adhesive under dry friction, while abrasive with water lubrication, and the friction and wear performances of the composites are greatly improved with water lubrication. 水润滑条件下复合材料的摩擦磨损性能远优于干摩擦条件下的性能.干摩擦条件下复合材料的磨损机制主要为黏着磨损,水润滑条件下则以磨粒磨损为主。
This paper sets up a mathematical model for calculating thermal balance of plunger-cylinder wall friction pair in axial plunger pump, analyzes the cause of producing adhesive wear on the friction pair, and puts forward a way to solve the problem. 本文提出了轴向柱塞泵柱塞&缸孔摩擦副热平衡计算的数学模型,进而分析了这对摩擦副产生粘着磨损的原因,并提出了解决办法。
In the process of emergent brake, relations among brake press, parameters of the entire vehicle and adhesive coefficient between tire and road surface influence the distribution of brake disc friction temperature field greatly. 在紧急制动过程中,制动压力、整车参数以及轮胎与路面间附着系数之间的关系对制动器摩擦温度场分布有重要的影响。
Thermal shock cracking in friction surface, over heated and over burned microstructure in sub surface, adhesive element diffusion from surface to center occur due to friction heat. Layer delamination occurs also on the worn surface of the steel. 因摩擦热的影响,制动后钢的摩擦表面出现热震开裂,表层组织过热甚至过烧,表面的粘着物由表向里扩散;
Friction characteristics of PC and its alloys can be explained by adhesive friction theory, and wear of these materials are controlled by adhesive, abrasive and fatigue wear mechanisms. 聚合物及其合金的摩擦特性可由粘着摩擦理论解释,其磨损过程主要受粘着、磨粒和疲劳机理控制。
On adhesive friction coefficient with fractal geometry 粘着摩擦系数的分形几何研究
The total adhesive friction coefficient is expressed as a combination of adhesive friction coefficients in elastic and plastic contact regime. 总的粘着摩擦系数被表示为弹性接触区与塑性接触区的粘着摩擦系数的组合。
Using friction coefficient tester, we have investigated the humility and UV-light dependence of the adhesive force and friction coefficient on glass surface and nano-TiO 2 film coated glass surfaces in the relative humidity of 30%~ 70%. 在30%~70%的相对湿度范围,使用摩擦系数测定仪,研究了玻璃表面和玻璃基体上纳米二氧化钛光致双亲性膜的摩擦系数与紫外光和环境湿度的变化规律。
The results show that the plow effect between friction pairs and adhesive area of friction surface could be effectively reduced with incorporation of SiC particles, which decrease the mass-loss wear of composite plating layer. 结果表明:SiC颗粒的加入能有效地降低摩擦副之间的犁沟效应及摩擦表面发生粘着的面积,从而减少镀层的磨损。
The results also indicated that it is the adhesive component of frictional force that let the friction vibration to be intensified. 真空中摩擦力的粘着分量是使摩擦振动加剧的主要原因;
Abrasive, adhesive and oxidative wears are the three main wear modes found in the wear test, furthermore different wear modes have different effects on the friction and wear behaviors of the coatings. 对磨实验过程中主要出现磨料磨损、粘着磨损和氧化磨损三种磨损方式,而且磨损方式不同,镀层的摩擦磨损性能表现也不尽相同。
With the increase of the concentrations of peroxide solutions, the degree of adhesive wear weakened and the friction coefficient decreased. In high concentration of peroxide solutions, the main wear mechanism of ceramic materials was corrosive wear, abrasive wear and the friction coefficient increased. 随着H202介质溶液浓度的增大,粘着作用减弱,摩擦系数减小,高浓度H202介质溶液中,Si3N4陶瓷材料的磨损以腐蚀磨损和磨粒磨损为主,摩擦系数增大。
It provides theoretical foundation for determining the size of pressing load. Finally, a fractal model of adhesive friction coefficient is proposed by comparing the normal elastic load with the normal plastic load acting on particle contact points. 最后,通过比较作用于颗粒接触点的法向弹塑性载荷,提出了粘着摩擦系数的分形模型。
As adhesive, matrix resin accounted for a larger proportion in non-metallic and semi-metallic friction material. Its performance direct impacts on the using performance of friction material. 基体树脂作为粘接剂,在非金属、半金属摩擦材料中所占的比例较大,其性能的好坏直接影响摩擦材料的使用性能。
The main contents are as following: ( 1) Discusses the adsorption force consists of adhesive force, negative pore water pressure and side friction. 本文的主要内容:(1)论述了吸附力由粘着力、负孔隙水压力、侧摩阻力组成。
The results show that samples have self-lubricity after copper deposition. The surface modification method can control inherent adhesive wear of pure Ti to an extent, which can reduce wear and friction coefficient. 结果表明:复合铜之后的试样具有一定自润滑性,这种表面改性方法使纯钛固有的黏着磨损得到了一定的控制,减小磨损,降低了摩擦因数。
The adhesive wear and abrasive wear were both existed in the wear mechanism of the composite material, the friction coefficient fluctuated with time changed. 复合材料的磨损机制是黏着磨损和磨料磨损交替进行,摩擦系数随时间的变化上下波动。
The adhesive forces and friction forces between antigen and antibody were investigated. 对抗原和抗体分子间相互作用的粘附力和摩擦力进行研究。
Results show that for certain fractal dimension, the total adhesive friction coefficient reduces sharply as the normalized contact area increases. 结果表明,对于一定的分形维数,总的粘着摩擦系数随归一接触面积的增大而急剧减小。