挤压速度对SAC3005锡焊料挤压过程和应力应变影响的有限元分析  

Finite Element Analysis on Extrusion Process and Stress-strain of SAC3005 Tin Solder by Extrusion Speed

作　　者：梁华鑫 陈东东[2] 白海龙 赵玲彦 严继康 LIANG Hua-xin;CHEN Dong-dong;BAI Hai-long;ZHAO Ling-yan;YAN Ji-kang(Development Center of Yunnan Tin Industry Group(Holding)Co.,Ltd.,Kunming,Yunnan 650032,China;Material Science and Engineering College,Kunming University of Science and Technology,Kunming,Yunnan,650093,China;Engineering College,Southwest Petroleum University,Nanchong,Sichuan 637001,China)

机构地区：[1]云南锡业集团(控股)有限责任公司研发中心,云南昆明650032 [2]昆明理工大学材料科学与工程学院,云南昆明650093 [3]西南石油大学工程学院,四川南充637001

出　　处：《云南冶金》2022年第4期97-103,共7页Yunnan Metallurgy

基　　金：企业基础研究应用基础研究联合专项(202101BC070001-010)。

摘　　要：基于DEFORM-3D有限元软件模拟了锡合金挤压过程,分析了坯料的应力应变变化情况。结果表明,在挤压模拟中发现,挤压速度对挤压分流的焊合影响不大;在挤压过程中,坯料的应变在3.5 s至4 s之间剧增;坯料的有效应力在0.15 s时达到最大值,随着挤压速度的增加,坯料的应力-应变值增加;考虑到加工效率,20 mm/s为最佳挤压速度。The extrusion process of tin alloy was simulated by DEFORM-3D finite element software,the stress-strain change situation of blanks were analyzed.Results of extrusion simulation show:there's few effect of extrusion speed on extrusion diverted seaming;in the process of extrusion,the stress of blank was increased greatly among 3.5 s to 4 s;the max effective stress-strain of blank was reached at 0.15 s,the stress-strain of blank is increased along with the increasing of extrusion speed;20 mm/s is the best extrusion speed in consideration of processing efficiency.

关 键 词：锡合金 有限元模拟 连续铸挤 应力 应变 

分 类 号：TG371[金属学及工艺—金属压力加工]