用显微硬度、电子拉伸等试验方法，测定了银、铜、钽的硬度、抗拉强度、延伸率与冷加工变形量的关系及冷加工态银、铜、钽退火软化曲线。
The hardness, tensile strength and elongation of Ag, cu and Ta, their relationship with the degree of cold work and soften annealing curves of cold-worked Ag, cu and Ta were investigated.
研究表明，随冷加工变形量的增加，GH625合金的拉伸强度增加，但塑性降低。
It is indicated that the tensile strength of GH625 is increased but the ductility is decreased with increasing the degree of cold deformation.
冷加工(软)最后热处理之后进行小变形量的冷加工，对钢管再加工时允许有限的冷变形(例如：弯曲，扩口)。
LC the final heat treatment is followed by cold drawing involving limited deformation. Appropriate further processing allows a certain degree of cold forming e. g. bending, expanding.
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