摘要:
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采用大变形弹塑性有限元理论 ,对典型型材角铝零件的挤压成形过程进行了全面有限元仿真和分析。深入研究了了型材挤压变形过程中金属变形流动规律和力学特征 ,对挤压工艺参数合理选择和优化奠定了基础
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An angle aluminum profile extrusion process has been done by numerical simulation with large deformation elasto-plastic finite element theory. The metal flow behavior and the deforming mechanics characteristics during profile extrusion forming process have been exposed. It is a base for selecting and optimizing properly technological parameters for profile extrusion.
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基金项目:
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江西省自然科学基金 (0 350 0 0 5);;
江西省教育厅和华中科技大学塑性成形及模具技术国家重点实验室开放基金 (0 2 6)资助项目
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作者简介:
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参考文献:
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1 闫洪,包忠诩,柳和生等角铝型材挤压过程的数值模拟中国有色金属学报,2001(2):202~205
2 李尚健金属塑性成形过程模拟北京:机械工业出版社,1999
3 WerberGG ,LushAM ,ZavaliangosA ,etalAnObjectivetime in tegrationprocedureforisotropicrate independentandrate dependentelastic plasticconstitutiveequationsInternationaljournalofplasticity.1990,6:701~749
4 AltanT ,陆索译现代锻造:设备、材料和工艺.北京:国防工业出版社,1982
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