摩擦系数

在高铝锌基合金ZA&27中，加入5%（wt）以下的石墨时，仍保持比较高的力学性能。而摩擦系数和磨损率则得到成倍的降低。

Adding below 5 % ( wt ) of graphite in high aluminium zinc based ally ZA-27 , the composite remains higher mechanical properties and its frictional coefficient and the rate of wear reduce by a big margin .

结果发现，随着等份量的SiC和SiO2总量的增加，摩擦系数增加，材料的磨损率先下降后上升，有一最小磨损率。

The results show that the frictional coefficient increases with the increase in the total amount of Sic and SiO2 ( amount of SiC is the equal of SiO2 ); the wear rate of the material decreases and then increases , and holds a minimum value .

指出了现存的V带当量摩擦系数计算公式的不足，并做了更正；

The fault of present V-belt friction coefficient calculation formula has been pointed out .

除个别工况外，同一种工况下，A型材料轴承的摩擦系数较低，B和C型材料的摩擦系数接近。

Besides the individual operating mode , under the identical kind of operating mode , friction coefficient of material A is low , B and C is close .

在所有四种组合中，B配方制动闸片与灰口铸铁盘配副的瞬时摩擦系数能够完全满足有关技术要求。

In all four combinations , only the pair of B-type braking pad and gray cast iron braking disc can meet the technological demand for instantaneous friction coefficient .

在与铜对摩时，三种CVD金刚石薄膜表面均无磨损且摩擦系数已无明显区别。

There is no clear distinction among the friction coefficients of CVD diamond films against copper . 3 .

随着外界湿度的增加，湿度对Si（100）表面粘附力和摩擦系数有较大的影响；

The relative humidity exerts great influence on the adhesion and friction coefficient of the Si ( 100 ) surface when it goes larger gradually ;

PTFE与Ni、P合金共沉积，降低了镀层的摩擦系数及磨损率，增强了镀层的减摩、自润滑性能。

PTFE together with Ni , P alloy deposition , reducing the coefficient of friction and wear of coating enhances the friction-reducing , self-lubricating coating performance .

结果表明，PTFE的添加不仅可以提高PC的耐磨性，而且还可降低其摩擦系数；

Results show that the addition of PTFE can not only increase the wear resistance of PC , but also decrease its friction coefficient .

经等离子体处理后，UHMWPE的摩擦系数都有所增大，但其体积磨损率却不同程度的有所下降。

The friction coefficient of UHMWPE increased , but the volume wear rate decreased after plasma treating .

SBC直线导轨的摩擦系数小，具备良好的重复性。

SBC linear guides have low coefficient of friction and excellent repeatability .

根据计算得出的数据，拟合出了本文所研究的通道的入口雷诺数Re与平均努塞尔数Nu和入口雷诺数Re与摩擦系数f之间的关系式。

Based on the computational results , the correlation between the Nusselt number , friction factor and Reynolds number are also given .

在相同的条件下，纯Al2O3陶瓷的摩擦系数和磨损率较大，而含有增韧补强剂的Al2O3基陶瓷材料的摩擦系数和磨损率较低。

The friction coefficient and the wear rate of pure Al_2O_3 ceramic were higher than most of Al_2O_3-based ceramics with reinforcing and toughening additives under the same conditions .

通过测试SiC和SiCTiB2的高温摩擦系数和比磨损率与温度、外加载荷的关系，研究了SiCTiB2复相陶瓷的高温摩擦学性能。

Tribological characteristics of SiC and SiCTiB_2 at elevated temperature were investigated by testing the fraction coefficient and specific wear rate at different temperatures and different pressures .

聚四氟乙烯（PTFE）以极低的摩擦系数、优异的热稳定性和耐腐蚀性著称，是一种理想的自润滑材料。

Polytetrafluoroethylene ( PTFE ) is an ideal self-lubricating material which has very low friction coefficient , high thermal stability and chemical stability .

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 .

随纳米SiC含量的增加，其摩擦系数有所增大；随着载荷的增大，PTFE/纳米SiC复合材料的磨损量增加。

The friction coefficient of PTFE / nano-SiC composites increased with the increasing of SiC content , and the wear amount of composites increased with the increasing of load .

结果表明：蒸馏水和Saline溶液降低了摩擦系数，改变了微动运行区域；

The results indicate that the friction coefficients are reduced and the positions of fretting regimes are changed by aqueous media of distilled ( water ) and Saline solution .

DLC薄膜的摩擦系数取决于样品表面粘附力和粗糙度的大小。

The friction coefficient of the tested DLC film depends on the combined effect of the adhesion and the sample roughness .

结果表明：Sialon及SiC陶瓷对钢的摩擦系数比钢对钢及冷激铸铁对钢的摩擦系数小。

The test results show that the friction coefficients of sialon and SiC ceramics against steel are less than those of steel against steel and CCI against steel .

实验结果表明：使用较小的Cr靶电流能改善镀层表面质量，降低镀层摩擦系数；Cr靶电流过大时，镀层的性能明显下降。

The results indicated that : C / Cr composite coatings with better surface quality and friction coefficient could be deposited by lower Cr current , and coatings deposited by high Cr current had undesirable properties .

散料G在平面胶带上的摩擦系数f0决定于二者之间的特性，散料在各种槽形胶带间受有侧压力，使得摩擦力增大。

Friction coefficient ( f_0 ) of bulk solids ( G ) on the surface of belt is determined by their characteristics . Lateral forces beared by bulk solids in trough belt make the friction forces in crease .

温度对SiCTiB2/SiCTiB2摩擦系数和比磨损率的影响与载荷有关。

The impacts of temperature on friction coefficients and specific wear rates of self-mated pairs of ( SiC ) TiB_2 depend on the contact pressure .

同时，通过在陶瓷材料上沉积CVD金刚石薄膜不但可以填补陶瓷材料表面的缺陷还能提高其表面硬度、降低摩擦系数、提高耐磨耐蚀性能。

Moreover , CVD diamond film can not only fill surface defects of ceramic material but also increase its surface hardness , lower coefficient of friction and improve wear-corrosion resistance .

然后根据断裂脱粘准则，借助描述疲劳裂纹扩展的Paris公式，得到了脱粘界面疲劳裂纹扩展速率、扩展长度以及脱粘界面上摩擦系数与循环加载次数的关系；

Then , according to the debonding criterion and the Paris formula , the relationship among the interfacial debonding rate , debonding length , coefficient of friction and the number of cyclic loading is obtained .

由于SBC导轨摩擦系数小，可使驱动装置小型化，并同时减小电力损耗。

The low coefficient of friction of the SBC linear guide allows smaller drives to be used and contributes to energy savings .

结果表明，Si3N4的摩擦系数和磨损体积随润滑环境的不同有如下顺序：干摩擦>水润滑>乙醇润滑。

From the results , the decreasing order of the friction coefficients and the worn volume ot Si_3N_4 in various lubricating conditions are summarized as follows : dry sliding ; water lubrication ;

Ti掺杂后的DLC膜的摩擦系数（0.15）明显低于未掺杂的DLC膜的摩擦系数（0.21），Ti离子注入有助于提高薄膜的抗磨损性。

The friction coefficient of the film reduces to 0.15 by Ti ~ + implantation . The wear resistance of DLC film was improved after Ti ~ + ion implanted into DLC film .

结果表明：相同载荷下，具有粗糙层（RL）基体碳结构试样的摩擦系数都最高，且随载荷的增加在0151～0165之间波动。

The results show : the RL ( rough layer ) structure sample gets the highest friction coefficient 0.151 ~ 0.165 and fluctuating with loading increase ;

当pv值低于63N·m/s时，材料的摩擦系数和磨损率较高，主要磨损机理为粘着磨损和疲劳磨损；

At a pv value below 63 N · m / s , high friction coefficient and wear rate of the composite are observed , and the main wear mechanisms are adhesion and fatigue wear .