拉拔形变量对铝包钢复合线电阻率的影响  

Effect of drawing deformation on resistivity of aluminum-clad steel composite wire

作　　者：相永宇 程和法[1] 汪富强 周宏伟 徐磊岗 XIANG Yongyu;CHENG Hefa;WANG Fuqiang;ZHOU Hongwei;XU Leigang(School of Materials Science and Engineering,Hefei University of Technology,Hefei 230009,China;Huangshan Chuangxiang Science and Technology Co.Ltd.,Huangshan 245000,China)

机构地区：[1]合肥工业大学材料科学与工程学院,安徽合肥230009 [2]黄山创想科技股份有限公司,安徽黄山245000

出　　处：《兵器材料科学与工程》2021年第2期93-97,共5页Ordnance Material Science and Engineering

基　　金：安徽省科技重大专项(18030901084)。

摘　　要：采用连续挤压包覆法制备铝包钢复合线,在强制润滑条件下进行拉拔变形,研究不同拉拔形变量对其电阻率的影响规律。建立铝包钢复合线电阻率的物理计算模型,推导其电阻率理论计算公式,根据铝包钢复合线的包覆铝及钢芯的电阻率,算出铝包钢复合线的理论电阻率。分析不同形变量复合线电阻率。结果表明:随形变量增大,铝包钢复合线的电阻率增加,其电阻率与拉拔变形量存在拟合方程。The continuous extrusion cladding method was used to manufacture aluminum-clad steel composite wire,and the forcefeed lubrication method was adopted to drawing deformation. The effect of different drawing deformation on the resistivity of the aluminum-clad steel composite wire was studied. The resistivity physical calculation model of aluminum-clad steel composite wire was established,and the theoretical calculation formula of resistivity was derived. The theoretical resistivity value of aluminum-clad steel composite wire was calculated according to the resistivity of clading aluminum and steel core. The resistivity of the aluminum-clad steel composite wire under different drawing deformation was measured and analyzed. The results show that the resistivity of the aluminum-clad steel composite wire increases with the increase of drawing deformation. The fitting equation of the relationship between its resistivity and drawing deformation is obtained.

关 键 词：铝包钢复合线 物理模型 拉拔变形 电阻率 

分 类 号：TG359[金属学及工艺—金属压力加工]