| 锻后退火态H13钢的显微组织分析 |
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| 引用本文： | 郭加林,项胜前,周春荣,黄继武.锻后退火态H13钢的显微组织分析[J].材料研究与应用,2011,5(3):225-228. |
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| 作者姓名： | 郭加林 项胜前 周春荣 黄继武 |
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| 作者单位： | 1. 广东豪美铝业有限公司,广东清远,511540
2. 中南大学材料科学与工程学院,湖南长沙,410083 |
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| 摘 要： | 以R,T,G三种锻后退火态H13钢为实验材料,采用金相、XRD和SEM等分析方法,对其显微组织进行了研究.结果表明:从晶粒度、非金属夹杂、疏松、成分分布均匀性、偏析等方面评析,R钢的显微组织最佳,T钢和G钢次之；R钢是用于挤压热作模具比较理想的材料.
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| 关 键 词： | H13钢 晶粒度 非金属夹杂 疏松 偏析 |
Microstructure analysis of H13 steel under forged annealed state |
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| GUO Jialin,XIANG Shengqian,ZHOU Chunrong,HUANG Jiwu.Microstructure analysis of H13 steel under forged annealed state[J].Journal of Guangdong Non-Ferrous Metals,2011,5(3):225-228. |
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| Authors: | GUO Jialin XIANG Shengqian ZHOU Chunrong HUANG Jiwu |
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| Affiliation: | 1.Guangdong Haomei Aluminum Co.Ltd.,Qingyuan 511540,China;2.School of Materials Science and Engineering,Central South University,Changsha 410083,China |
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| Abstract: | The microstructures of three kinds of H13 steel under forged annealed state are investigated by OM,XRD and SEM.The three kinds of H13 steel under forged annealed state are R,T,G steel respectively.The results show that analyzing from grain crystal size,nonmetallic impurity,porosity,uniformity of composition distribution,segregation and so on,the microstructure of R steel is optimum,then followed by T steel and G steel.It seems that R steel is a good material for extrusion hot die. |
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| Keywords: | H13 steel crystal grain size non-metallic inclusion porosity segregation |
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