Viscous pressure bulging of aluminium alloy sheet at warm temperatures

被引：12
|
作者：
Liu, Jianguang [1 ]
Peng, Qiucai [1 ]
Liu, Yan [1 ]
Wang, Zhongjin [1 ]
机构：
[1] Harbin Inst Technol, Sch Mat Sci & Engn, Harbin, Peoples R China
来源：
JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY | 2007年 / 21卷 / 10期
关键词：
aluminium alloy; viscous pressure bulging; warm temperature; FEM;
D O I：
10.1007/BF03177366
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Improving the formability of aluminium alloy sheet metal by using warm or elevated temperature has become a valid approach. In this paper, viscous pressure bulging (VPB) at warm temperature is proposed. The coupled thermo-mechanical finite element method and experimental method were used to investigate the VPB of aluminium alloy AA3003 at warm temperature. The temperature distributions of sheet metal and viscous medium were analyzed for non-isothermal VPB. The influence of forming temperature on thickness distribution, forming load and failure location of sheet metal were investigated. Research results show the temperature gradient field in sheet metal forms when the initial temperature of viscous medium is lower than that of sheet metal. The formability and failure location of sheet metal changes with initial temperature of viscous medium.
引用
收藏
页码：1505 / 1511
页数：7
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