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摘要：
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对不锈钢方形截面空心构件内高压成形进行了实验研究 ,比较了有无轴向进给和加载路径即内压和轴向进给关系对方形截面构件影响。分析产生折叠、起皱和开裂尤其在圆角过渡区产生开裂的原因 ,给出了成形的合格零件壁厚分布规律
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An experimental research was conducted on hydroforming of square section components made of stainless steel Comparison is made between non axial feeding and axial feeding, and loading path, i e relationship between internal pressure, in the hydroforming process of square section components The reason is analyzed for folding, wrinkling and splitting, especially in the transition zone of the section corner The thickness distribution of qualified component is given
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基金项目：
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国家自然科学基金资助项目 (599750 2 1 )
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作者简介：
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参考文献：
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1 KocM ,AltanT Anoverallreviewofthetubehydroforming(THF)tech nologyJournalofMaterialsProcessingTechnology,2001,108:384～393
2 苑世剑,王仲仁内高压成形应用研究中国机械工程,2002,13:783～786
3 苑世剑,王仲仁内高压成形技术研究与应用进展哈尔滨工业大学学报,2000,32(4):60～63
4 MarandoRA TubularhydroformingprocessvariablesMetalforming,1998:36～40
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