| 材料厚度对H62黄铜模压形变等效应变分布的影响 |
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| 引用本文： | 曾佳伟,牟雪萍,彭开萍. 材料厚度对H62黄铜模压形变等效应变分布的影响[J]. 机械工程材料, 2011, 0(2) |
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| 作者姓名： | 曾佳伟 牟雪萍 彭开萍 |
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| 作者单位： | 福州大学材料科学与工程学院; |
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| 基金项目： | 福建省科技厅重点资助项目(2009H0023); 福建省教育厅资助项目(JB07027) |
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| 摘 要： | 采用二维有限元法(FEM)模拟H62黄铜模压形变(GP)一周期的过程,分析了材料厚度对模压形变等效应变分布的影响,并进行了模压形变试验验证。结果表明:随着材料厚度的增加,等效应变的最大值区域从材料表面转移到中心;材料厚度越大,等效应变累积的速率越快,其均匀性越差;模拟结果中等效应变的分布规律与试验材料显微硬度的分布规律相吻合。
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| 关 键 词： | 有限元 模压形变 H62黄铜 等效应变 |
Effect of Material Thickness on Distribution of Equivalent Strain during Groove Pressing Process of H62 Brass |
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| ZENG Jia-wei,MOU Xue-ping,PENG Kai-ping. Effect of Material Thickness on Distribution of Equivalent Strain during Groove Pressing Process of H62 Brass[J]. Materials For Mechanical Engineering, 2011, 0(2) |
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| Authors: | ZENG Jia-wei MOU Xue-ping PENG Kai-ping |
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| Affiliation: | ZENG Jia-wei,MOU Xue-ping,PENG Kai-ping(College of Materials Science and Engineering,Fuzhou University,Fuzhou 350108,China) |
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| Abstract: | A two-dimensional finite element method(FEM) was used to simulate one periodic groove pressing(GP) process of H62 brass and the effect of the material thickness on distribution of the equivalent strain during the process was investigated.Groove pressing experiments were conducted to verify.The results show that with the increase of the material thickness,the maximum region of equivalent strain transformed from surface to center.The thicker the material,the faster the accumulated rate of equivalent strain,an... |
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| Keywords: | finite element method groove pressing H62 brass equivalent strain |
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