| 一台1000m3液化石油气球罐裂纹的成因分析及裂纹修复 |
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| 引用本文： | 黄齐飞. 一台1000m3液化石油气球罐裂纹的成因分析及裂纹修复[J]. 福建质量信息, 2010, 0(5): 38-40 |
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| 作者姓名： | 黄齐飞 |
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| 作者单位： | 福建省特种设备检验院; |
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| 摘 要： | 本文采用磁粉探伤技术对1000m3液化石油气球罐进行无损检测,并结合金相试验结果对球罐横向裂纹萌生及扩展原因进行了分析。分析表明,现场安装时组对和焊接工艺控制不严格、焊后热处理未达预期目标是造成焊缝产生大量延迟裂纹的主要原因。
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| 关 键 词： | 球罐 磁粉检测 裂纹萌生及扩展 |
Cause Analysis and Repair of Crack for 1000m~3 LPG Spheroidal Tank |
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| HUANG Qifei. Cause Analysis and Repair of Crack for 1000m~3 LPG Spheroidal Tank[J]. Fujian Quality Information, 2010, 0(5): 38-40 |
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| Authors: | HUANG Qifei |
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| Affiliation: | HUANG Qifei (Fujian Special Equipment Inspection and Research Institution,Fuzhou,350003,Fujian,China) |
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| Abstract: | Magnetic Particle Testing（MT）was used to examine a 1000m3 Liquefied Petroleum Gas（LPG）spherical tank,and the cause of transverse cracks initiation and pnpagation of the tank was analyzed by metallographic analysis.The results show that welding procedure and post—weld heat treatment were main cause of the delay crack the initiation,and alternating stress in its application process of the speed of the crack propagation. |
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| Keywords: | Spherical Tank Magnetic Particle Testing(MT) Cracks Initiation and Propagation |
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