rate of wear

This paper provides an wear formula in case of electrical current carrying under the theory of finite element theory, while establishing a motor brush wear rate used to query the database.

对于电刷磨损问题，本文根据有限元理论和磨损理论提出了载流情况下的电磨损率计算公式，同时建立了电机常用电刷磨损率的数据库以便查询。

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The tribological properties of WS2-Ag composite films varied with the Ag content. The amorphous WS2 in the WS2-Ag41% composite film made the main function during wear, so the film showed the lowest friction coefficient and the smallest wear rate.

复合薄膜的摩擦学性能随Ag的含量而改变，WS2-Ag41%复合薄膜在摩擦过程中，WS2起主要作用，因而其具有最低的摩擦系数和最小的磨损率。

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The results showed that the electrical sliding wear rate of the resin-calcination type contact strip increases with the increase of current density and the sliding velocity.

研究表明，树脂焙烧型滑板的载流磨损率随载流密度和滑行速度的增加而增大。

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In the other hand, the wear of tool was analyzed. The relative volume attrition rate of tool in the initial wear stage and normal wear stage was achieved and then the empirical formula was launched to calculate the axial wear of tools.

然后分析了刀具磨损规律，得到了刀具在初期磨损阶段和正常磨损阶段的相对体积损耗率，并推出了计算刀具轴向损耗量的经验公式。

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Wear rate of Si_3N_4 ceramic rose with the increase of loads between Si_3N_4 ceramic and chilled iron while the effect of relative sliding speed on wear rate of Si_3N_4 ceramic is not as significant as that of load.

Si3N4陶瓷的磨损率随载荷的增大而增大，滑动速度对磨损率的影响要小于载荷对其的影响；

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Size Effect on the Wear Rate Testing of the Friction Pairs of Brass Pin on Steel Dics

铜销对钢盘摩擦副磨损率测试的尺寸效应

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The experimental results indicate that with increasing of contact pressure the rate of wear of materials increases and with increasing of sliding speed the rate decreases.

结果表明，随接触压力的增加，材料的磨损率增加；随摩擦速度的增加，材料的磨损率减小。

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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.

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。

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The relative density of the composites is the main factor of influencing the wear rate. The composites with high density can remain relatively low wear rate of ( 0.5~ 2.1)× 10-3 mm3/ m under the experimental conditions.

复合材料相对密度对磨损率的影响较大，接近理论密度的复合材料在本研究试验条件下能保持较低的磨损率，最低可达到0.5×10-3~2.1×10-3mm3/m。

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This approach has many drawbacks, including cumbersome wiring, extended poor performance, when the lines are aging, wear and tear, the false alarm rate are all the more serious shortcomings of this approach.

这种方式有很多缺点，其中布线繁琐，扩展性能差，当线路老化、磨损时，误报警率高等都是这种方式比较严重的缺点。

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When sintered at 1600 ℃, composites can get better abrasion resistance with wear rate at 10-8 ( mm3/ Nm) orders of magnitude.

经1600℃烧结的ZTA复合材料磨损率均在10-8（mm3/Nm）数量级，耐磨性能好。

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In recent years, because of the advantages, which are uniform washing, lower rate of wear, higher degree of automation, and can saving in water consumption and heating water, drum washing machine is more and more recognized by consumers.

近年来，滚筒洗衣机以洗涤均匀、磨损率低、节约用水量、可加热、自动化程度较高等优势，越来越受消费者的认可和青睐。

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