[1]马小明,余 娟.螺旋埋弧焊管焊缝断裂失效分析[J].焊管,2007,30(6):31-35.[doi:1001-3938(2007)06-0031-05]
 MA Xiao-ming,YU Juan.Failure Analysis for the Spiral Weled Pipes[J].,2007,30(6):31-35.[doi:1001-3938(2007)06-0031-05]
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螺旋埋弧焊管焊缝断裂失效分析
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
30
期数:
2007年第6期
页码:
31-35
栏目:
试验与研究
出版日期:
2007-11-28

文章信息/Info

Title:
Failure Analysis for the Spiral Weled Pipes
文章编号:
1001-3938(2007)06-0031-05
作者:
马小明余 娟
(华南理工大学 工业装备与控制工程学院)
Author(s):
MA Xiao-mingYU Juan
关键词:
螺旋焊管焊接缺陷堆土泥浆化
Keywords:
spiral welding pipethe break of welding linepile solidsloping
分类号:
TE88
DOI:
1001-3938(2007)06-0031-05
文献标志码:
A
摘要:
针对某输送成品油管道的螺旋焊管焊缝断裂事故,进行了断口宏观形貌、金相组织、扫描电镜、能谱及硬度分析试验,并用有限元分析法比较了土压、含水量、地基对管道应力的影响。失效分析结果表明,螺旋焊管焊缝断裂主要是由于管道附近泥浆化趋势、较高的堆土以及焊缝缺陷造成。
Abstract:
This paper presents a failure analysis of rupture incident of spiral welding pipes,through the microscopical examination,metallography examination,scanning electron microscopy,spectrum analysis and intensity analysis.And also use FEA method to analysis the factors that influent the stress of the pipe,including the high of the solid,the contain of the water and the groundsill.The results showed that the failure of spiral welding pipes was mainly caused by piled solid,the increase of the water in solid and the break of welding line.

参考文献/References:

[1]廖景娱,刘正义. 金属构件失效分析[M].北京:化学工业出版社,2003.
[2]任颂赞. 钢铁金相图谱[M].上海:上海科学技术文献出版社,2003.
[3]吴文峰.地下埋管的受力分析及结构优化研究[D].南京:河海大学,2001.

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备注/Memo

备注/Memo:
马小明(1962-),男,工业装备与控制工程学院副院长,硕士研究生导师,主要从事设备安全检测与失效分析等方面的教学、科研工作。
收稿日期:2007-06-11
更新日期/Last Update: