| 奥氏体不锈钢管坯分层开裂分析 |
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| 引用本文： | 陆昕,马春霞,哈胜男,任颂赞. 奥氏体不锈钢管坯分层开裂分析[J]. 热处理, 2008, 23(3): 62-64 |
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| 作者姓名： | 陆昕 马春霞 哈胜男 任颂赞 |
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| 作者单位： | 上海市机械制造工艺研究所有限公司检测中心,上海,200070;上海市机械制造工艺研究所有限公司检测中心,上海,200070;上海市机械制造工艺研究所有限公司检测中心,上海,200070;上海市机械制造工艺研究所有限公司检测中心,上海,200070 |
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| 摘 要： | 奥氏体不锈钢管坯在切割过程中发生分层开裂，对该管坯进行化学成分、微观组织及裂纹断口形貌的分析表明，管坯的开裂主要与条状铁素体和链状氮化钛夹杂有关。
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| 关 键 词： | 管坯 条状铁素体 分层开裂 |
Analysis on Layer-built Crack in Raw Tube of Austenite Stainless Steel |
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| LU Xin,MA Chun-xia,HA Sheng-nan,REN Song-zan. Analysis on Layer-built Crack in Raw Tube of Austenite Stainless Steel[J]. Heat Treatment, 2008, 23(3): 62-64 |
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| Authors: | LU Xin MA Chun-xia HA Sheng-nan REN Song-zan |
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| Affiliation: | ( Shanghai Machine Building Technology Institute Co., Ltd., Shanghai 200070) |
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| Abstract: | The layer-built cracks occured in a raw tube of austenite stainless steel in the course of the cutting. From the results of the analysis on chemical composition, microstructure and morphology of crack fracture of the raw tube, it was observed that cracks were mainly related to the ferrite band and chain-like inclusion of titanium nitride present in the raw tube. |
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| Keywords: | raw tube ferrite band layer-buih crack |
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