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对采用挤压法制造铜包钢双金属导线的工艺参数作了全面实验研究，并与其它方法进行了对比分析。研究表明变形程度、摩擦条件及挤压后热处理规范对两种金属的焊合强度影响最大。给出了这些参数较合理的配合。
A comprehensive experimental study was made on the process parameters of the copper clad steel bimetallic wire by extrusion method, and compared with other methods. The results show that the degree of deformation, the friction condition and the heat treatment after extrusion have the greatest effect on the welding strength of the two metals. Given these parameters with a more reasonable match.