| 线材拉拔断裂原因分析 |
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| 引用本文： | 冯岩青. 线材拉拔断裂原因分析[J]. 理化检验(物理分册), 2011, 0(9): 557-561,574 |
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| 作者姓名： | 冯岩青 |
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| 作者单位： | 北京科技大学;包钢技术中心; |
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| 摘 要： | 归纳了线材拉拔断裂的常见原因，总结了线材失效分析的步骤，并将线材拉拔断裂分为两大类：一是断裂源起源于外表面（包括线纹、折叠、钢坯上裂纹、皮下气泡和非金属夹杂物等）；二是断裂源产生于内部（包括中心夹杂物、中心缩孔、中心马氏体和中心网状碳化物等），并举例进行了说明。
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| 关 键 词： | 线材 拉拔断裂 断口 显微组织 |
Fracture Reason Analysis of Wire Drawing |
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| FENG Yan-qing. Fracture Reason Analysis of Wire Drawing[J]. Physical Testing and Chemical Analysis Part A:Physical Testing, 2011, 0(9): 557-561,574 |
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| Authors: | FENG Yan-qing |
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| Affiliation: | FENG Yan-qing~(1,2) (1.University of Science and Technology Beijing,Beijing 100083,China,2.Baogang Iron and Steel Co.Ltd.,Baotou 014010,China) |
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| Abstract: | Common causes and failure analysis procedure of wire drawing fracture were illuminated,and fracture mode had been divided into two types,one was crack initiation sites at surface of wire rod(including cord design,folding,crack on billet steel,subcutaneous bubble,inclusion and so on).the others at interior of hard wire (including inclusion,central shrinkage cavity,central martensite,central net carbide and so on),which explained by examples. |
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| Keywords: | wire drawing fracture fracture microstructure |
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