| 偏析对铸件缩松、应力应变及热裂的影响 |
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| 引用本文： | 贾宝仟 柳百成. 偏析对铸件缩松、应力应变及热裂的影响[J]. 大型铸锻件, 1996, 0(4): 1-4 |
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| 作者姓名： | 贾宝仟 柳百成 |
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| 作者单位： | 清华大学机械工程系 北京100084(贾宝仟)，清华大学机械工程系 北京100084(柳百成) |
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| 摘 要： | 讨论了偏析对铸件凝固过程中缩松形成、凝固完毕时应力应变大小以及热裂趋势的影响。分析指出偏析越严重 ,缩松就越容易形成 ,凝固完毕时的相对应力越小 ,严重偏析部位的集中应变越大 ,热裂趋势越大。因此合理有效地控制偏析可大大减轻铸件缺陷的形成 ,有利于提高铸件的质量。
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| 关 键 词： | 成分偏析 缩松形成 应力应变 热裂趋势 |
Effect of Segregation on Shrinkage Porosity, Stress-Strain and Hot-Cracking |
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| Jia Baoqian Liu Baicheng. Effect of Segregation on Shrinkage Porosity, Stress-Strain and Hot-Cracking[J]. Heavy Casting and Forging, 1996, 0(4): 1-4 |
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| Authors: | Jia Baoqian Liu Baicheng |
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| Affiliation: | Jia Baoqian Liu Baicheng |
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| Abstract: | In this paper,the authors pointed out that increase in segregation results in more serious shrinkage porosity,relatively small stress and higher maximum strain after solidification and higher hot-cracking tendency. |
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| Keywords: | Composition Segregation Formation of Shrinkage Porosity Stress and Strain Hot Cracking |
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