controlled expansion coefficient alloy 定膨胀合金
coefficient of alloy elements 合金元素作用系数
coefficient of alloy element 合金元素的作用系数
Different base metal alloy has the different melting point and linear coefficient expansion.
不同的基底合金具有不同的熔点及线膨胀系数。
The effects of metal base content and NiCr alloy addition on hardness, friction coefficient and wear rate of the composites were studied.
研究了金属基体及其中镍铬合金的含量对复合材料的硬度、摩擦系数和磨损率的影响。
ZA27 alloy shows good mechanical properties and working properties. Small coefficient of friction and large sticking force to oil can substitute ZA27 alloy for Bronze alloy.
ZA27合金具有良好的力学性能和加工性能，它的摩擦系数小，对油的亲和力大，而且ZA27合金的综合性能突出。
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