| 数值模拟技术及其在塑性成形缺陷预测中的应用 |
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| 引用本文： | 朱艳春,曾卫东,冯菲,孙宇,周义刚.数值模拟技术及其在塑性成形缺陷预测中的应用[J].材料导报,2010,24(23). |
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| 作者姓名： | 朱艳春 曾卫东 冯菲 孙宇 周义刚 |
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| 作者单位： | 西北工业大学材料学院凝固技术国家重点实验室,西安,710072 |
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| 基金项目： | 973计划项目(2007CB613807); 国家科技支撑计划(2007BAE07B03); 国家自然科学基金(51075333) |
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| 摘 要： | 介绍了数值模拟技术的研究进展、优势以及其在材料塑性成形缺陷预测中的应用,分析了数值模拟技术对表面折叠、起皱、裂纹、填充不足等缺陷的预测结果,并指出了缺陷预防措施,展望了数值模拟技术在材料塑性成形缺陷预测中的发展趋势。随着数值模拟技术的快速发展,其必将成为塑性成形缺陷预测中高效实用的预测方法。
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| 关 键 词： | 数值模拟 缺陷预测 有限元法 表面缺陷 内部缺陷 |
Technology of Numerical Simulation and Its Application in Defect Prediction of Plastic Forming Process |
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| ZHU Yanchun,ZENG Weidong,FENG Fei,SUN Yu,ZHOU Yigang.Technology of Numerical Simulation and Its Application in Defect Prediction of Plastic Forming Process[J].Materials Review,2010,24(23). |
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| Authors: | ZHU Yanchun ZENG Weidong FENG Fei SUN Yu ZHOU Yigang |
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| Affiliation: | ZHU Yanchun,ZENG Weidong,FENG Fei,SUN Yu,ZHOU Yigang(State Key Laboratory of Solidification Processing,School of Materials Science , Engineering,Northwestern Polytechnical University,Xi'an 710072) |
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| Abstract: | The research progress,advantages of numerical simulation technology and its application in defect prediction of materials forming process are introduced.Defect prediction results of subsurface folding,wrinkle,crac-king and short filling using numerical simulation technology are analyzed,and defect prevention measures are pointed out.The development trend of numerical simulation technology in the defects prediction of materials plastic forming process is forecasted.Numerical simulation will be a practical ef... |
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| Keywords: | numerical simulation defect prediction FEM surface defect subsurface defect |
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