| 储氧球罐进出气阀对接法兰开裂情况监控及失效分析 |
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| 引用本文： | 王秀峰,章惠平. 储氧球罐进出气阀对接法兰开裂情况监控及失效分析[J]. 工业安全与环保, 2009, 35(4) |
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| 作者姓名： | 王秀峰 章惠平 |
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| 作者单位： | 中钢集团武汉安全环保研究院,武汉,430081;中钢集团武汉安全环保研究院,武汉,430081 |
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| 摘 要： | 通过化学成分、金相、断口及能谱分析等手段,对储氧球罐进出气阀对接法兰开裂失效的原因进行了分析.分析结果表明,法兰开裂为高锰奥氏体不锈钢材质法兰的沿晶脆性断裂,高锰奥氏体不锈钢不适合作为高颈法兰用钢.
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| 关 键 词： | 法兰 高锰奥氏体不锈钢 沿晶脆性断裂 |
Analysis on the Breakage Control and Failure of the Global Oxygen Storage Tank Flange |
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| WANG Xiu-feng,ZHANG Hui-ping. Analysis on the Breakage Control and Failure of the Global Oxygen Storage Tank Flange[J]. Industrial Safety and Dust Control, 2009, 35(4) |
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| Authors: | WANG Xiu-feng ZHANG Hui-ping |
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| Affiliation: | Sinosteel Wuhan Safety & Environmental Protection Research Institute Wuhan 430081 |
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| Abstract: | A failure analysis is conducted for a flange on the global oxygen storage tank through some analyses on chemical composition,metallographic,fracture surface ,energy spectrum,and so on.The results show that failure is caused by intergranular brittle fracture in high Mn austenitic stainless steel and so the high Mn austenitic stainless steel is not suitable for the use of high neck flange steel. |
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| Keywords: | flange high Mn austenitic stainless steel intergranular brittle fracture |
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