| 1Cr18Ni9Ti不锈钢封头失效分析 |
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| 引用本文： | 朱晓东,艾志斌,李蓉蓉.1Cr18Ni9Ti不锈钢封头失效分析[J].压力容器,2004,21(6):38-42,31. |
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| 作者姓名： | 朱晓东 艾志斌 李蓉蓉 |
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| 作者单位： | 1. 茂名石化乙烯工业公司,广东,茂名,525021
2. 国家压力容器与管道安全工程技术研究中心,安徽,合肥,230031 |
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| 摘 要： | 通过化学成分、金相、弯曲、断口及能谱分析等手段 ,对某 1Cr18Ni9Ti制容器上封头开裂失效的原因进行了分析 ,分析结果表明 ,封头开裂属于氯离子引起的应力腐蚀开裂 (ClSCC) ,并提出了相应的改进措施 ,预防失效事故发生
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| 关 键 词： | 奥氏体不锈钢 封头 应力腐蚀开裂 冷加工 敏化 |
| 文章编号： | 1001-4837(2004)06-0038-05 |
Failure Analysis of 1Cr18Ni9Ti Stainless Steel Vessel Head |
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| ZHU Xiao-dong ,AI Zhi-bin ,LI Rong-rong.Failure Analysis of 1Cr18Ni9Ti Stainless Steel Vessel Head[J].Pressure Vessel Technology,2004,21(6):38-42,31. |
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| Authors: | ZHU Xiao-dong AI Zhi-bin LI Rong-rong |
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| Affiliation: | ZHU Xiao-dong 1,AI Zhi-bin 2,LI Rong-rong 2 |
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| Abstract: | A failure analysis was conducted for 1Cr18Ni9Ti stainless steel vessel head.The failure analysis consisted of chemical composition analysis,metallographic analysis,bending testing,corrosion testing, fracture surface analysis.The analytical results shows that failure reasons of 1Cr18Ni9Ti stainless steel vessel head was ClSCC.Some proposes was put forward for preventing occur of ClSCC. |
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| Keywords: | stainless steel vessel head ClSCC |
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