| 合金元素对铸铁共析转变的影响 |
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| 引用本文： | 吴德海,王怀林,张伯明. 合金元素对铸铁共析转变的影响[J]. 铸造工程, 2022, 0(1): 42-46 |
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| 作者姓名： | 吴德海 王怀林 张伯明 |
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| 作者单位： | 清华大学机械工程系;一汽铸造有限公司;中国铸造协会 |
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| 摘 要： | 介绍了铸铁共析转变的概念、特点和转变产物;说明了没有其他合金的铸铁共析转变时,奥氏体中富余碳的去向问题;阐明了合金元素对铸铁共析转变温度、转变产物的影响情况和珠光体形成与生长机理;提出了降低铸件断面敏感性的途径.
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| 关 键 词： | 合金元素 铸铁 共析转变 |
Effect of Alloying Elements on Eutectoid Transformation of Cast Iron |
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| WU Dehai,WANG Huailin,ZHANG Boming. Effect of Alloying Elements on Eutectoid Transformation of Cast Iron[J]. Foundry Engineering, 2022, 0(1): 42-46 |
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| Authors: | WU Dehai WANG Huailin ZHANG Boming |
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| Affiliation: | (Department of Mechanical Engineering,Tsinghua University,Beijing 100084,China;Faw Foundry Co.,Ltd.,Changchun 130011,Jilin China;China Foundry Association,Beijing 100044,China) |
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| Abstract: | The concept,characteristics and products of eutectoid transformation of cast iron were introduced.The whereabouts of surplus carbon in austenite during eutectoid transformation of cast iron without other alloys was explained.The effect of alloying elements on eutectoid transition temperature and transition products of cast iron and the formation and growth mechanism of pearlite were described.The way to reduce the sensitivity of casting section is proposed. |
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| Keywords: | alloying elements cast iron eutectoid transformation |
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