plastic yield-point meaning in English

塑料的固性极限

This paper investigated the electrorheological ( er ) characteristics of two suspensions of starch particles ( a ) and aluminosilicate particles ( b ) in silicone oil respectively , and also their transmitting properties on a simulated device of cylindrical er clutch ( erc ) by comparison , only to show that a is a kind of electrorheological fluid ( erf ) with definite plastic yield - point and can be subjected to a narrow voltage range on erc , while b is a kind of pseudo - plastic erf and can be subjected to a wilder voltage range on erc
本文研究了硅油-淀粉( a ) 、硅油-硅酸铝( b )两种er流体的电流变性能，并通过一套筒式er离合器模拟传动装置，研究且对比了这两种er流体在筒式er离合器上的传输特性。结果表明a是具有塑性屈服点的流体，其在er离合器上有效调速电场范围较小； b是假塑性流体，其在er离合器上有效调速电场范围较宽。