Transactions of Materials and Heat Treatment

Title：Failure analysis of stamping process for car trunk lid outer panel

Authors： WU Hua JIANG Hao-min LI Chuan-hai XIE Jian-qiang XIE Jian-ping(Shanghai Baosteel Research Institute)

Unit：

KeyWords： Stamping Mechanical property Forming limit diagram Grid strain analysis

ClassificationCode：TG386

year,vol(issue):pagenumber：2004,29(5):23-25

Abstract：

In this paper, the metal flow and stress state of the dangerous regions in trunk lid outer panel are studied by grid strain analysis technique on the basis of material mechanical test and forming limit analysis. Then the improvements of material and die are given.

Funds：

Reference：

1　谭善琨等薄板冲压件成形类别与性能对应关系的研究第六届中日薄板成形技术交流会论文集,1991
2　RaghavanKS RecentprogressinthedevelopmentofforminglimitcurvesforautomotivesheetsteelsSAEPaper,920437.
3　CarlJ RiscbComputergeneratedforminglimitdiagrams.MetalForming,1991

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