| 影响77MnA盘条拉拔性能组织缺陷分析 |
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| 引用本文： | 马孝娟. 影响77MnA盘条拉拔性能组织缺陷分析[J]. 新疆钢铁, 2009, 0(2) |
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| 作者姓名： | 马孝娟 |
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| 作者单位： | 宝钢集团八钢公司制造管理部 |
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| 摘 要： | 作为拉拔用材的77MnA盘条正常显微组织是索氏体和少量珠光体,而在盘条生产过程中出现的马氏体、屈氏体、网状碳化物、较多粗片状珠光体、表面缺陷和拉拔中产生的硬化层组织都会导致盘条在拉拔过程中断裂。
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| 关 键 词： | 77MnA盘条 索氏体 马氏体 屈氏体 网状碳化物 硬化层组织 |
Microstructure Defects of Affecting Drawing Property of 77MnA Rode |
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| MA Xiao-juan. Microstructure Defects of Affecting Drawing Property of 77MnA Rode[J]. Xinjiang Iron and Steel, 2009, 0(2) |
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| Authors: | MA Xiao-juan |
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| Affiliation: | MA Xiao-juan (Manufacturing Management Department; Bayi Iron&Steel Cn.; Baosteel Group); |
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| Abstract: | The proper microstructure of 77MnA wire rodes used in drawing is sorbite and minor pearlite.Martenite, Troostite,Network carbide,Excessive coarse lamellar pearlite,Surface defect and Microstructure of hardened-layer existing in the manufacture course of high carbon wire rodes lead to fracture of wire rode during drawing. |
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| Keywords: | 77MnA wire rod sorbite martenite troostite network carbide surface defect microstructure of hard-ened-layer |
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