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Abstract：
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Aimed at forming defect which is probably occurred in a automobile right side-frame inner panel stamping formability process, this text makes some analyses, compares and summarizes out definite law in several importance material property parameters such as, hardening modulus n, yield strength σs, tensile strength σb and anisotropic parameter r which affect the stamping formability by numerical simulation technology. Then, on the occasion of guaranteeing product quality, we can use ST14 steel in stead of ST16 steel whose price is higher in order to reduce the production cost for better industrial production.
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Funds：
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国家自然科学基金资助项目(2002002);;
国家自然科学基金攻关资助项目(2002122);;
湖南省科技厅科研基金资助项目(2004339386)
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AuthorIntro：
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Reference：
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[1]倪向贵,王余,吴恒安,等·用于板料成形数值模拟的各向异性本构模型研究[J]·中国科学技术大学学报,2000,(6):700-706·
[2]崔令江·汽车覆盖件冲压成形技术[M]·北京:机械工业出版社,2003·
[3]彭志辉,佘旭凡·不锈钢覆铝板成形极限的理论分析和实验验证[J]·中国有色金属学报,1999,9(2):305402·
[4]赵燕·计算机模拟技术在复杂零件冲压成形中的应用[C]·北京航空航天大学,2001·
[5]AUTOFORM/INCREMENTAL workshop·AUTOFORM Inc·,2003·
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