| 莱氏体型高铬模具钢锻前碳化物形态改善的研究 |
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| 引用本文： | 王树奇,关庆丰,姜启川,何镇明,李志国,刘长锁,姜永胜.莱氏体型高铬模具钢锻前碳化物形态改善的研究[J].钢铁,1999,34(7):46-49,53. |
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| 作者姓名： | 王树奇 关庆丰 姜启川 何镇明 李志国 刘长锁 姜永胜 |
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| 作者单位： | 1. 吉林工业大学
2. 中国第一汽车集团公司 |
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| 摘 要： | 对传统莱氏体型高铬模具钢进行变质处理，使其在锻前的加热过程中网状共晶碳化物得到粒化。试验结果表明：在锻前１１００～１１３０℃下加热，不同截面尺寸的高铬钢均可获得良好的粒化组织；与同截面尺寸的锻钢件相比，具有更好的碳化物形态；碳、铬含量降低及截面尺寸的减少均有助于碳化物形态的进一步改善
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| 关 键 词： | 莱氏体钢 碳化物形态 粒化 锻前状态 |
STUDY ON CARBIDE MORPHOLOGY MODIFICATION OF LEDEBURITE HIGH Cr DIE STEEL BEFORE FORGING |
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| WANG Shuqi,GUAN Qingfeng,JIANG Qichuan,HE Zhenming,LI Zhiguo,LIU Changsuo,JIANG Yongsheng.STUDY ON CARBIDE MORPHOLOGY MODIFICATION OF LEDEBURITE HIGH Cr DIE STEEL BEFORE FORGING[J].Iron & Steel,1999,34(7):46-49,53. |
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| Authors: | WANG Shuqi GUAN Qingfeng JIANG Qichuan HE Zhenming LI Zhiguo LIU Changsuo JIANG Yongsheng |
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| Affiliation: | WANG ShuqiGUAN QingfengJIANG QichuanHE Zhenming(Jilin University of Technology)LI ZhiguoLIU ChangsuoJIANG Yongsheng(No1 Automobile Group Company) |
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| Abstract: | The aimed of the study is to turn network eutectic carbide in high Cr die steel into granular during heating before forging by modification of ledeburiteThe experimental results show that the evently distributed granular carbide can be obtained in the steel products with different section dimensions at 1 100 1 130 The carbide morphology of the steel before forging is better than that of the forged steel with the same section dimensionWith reduction of C and Cr and the section dimensions the carbide morphology is further improved |
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| Keywords: | ledeburite steel carbide morphology granulation preforged state |
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