[1]王力霞,胡岩鹏,张艳秋,等.某输油管线螺旋焊管焊缝断裂原因分析[J].焊管,2008,31(1):33-35.[doi:1001-3938(2008)01-0033-03]
 WANG Li-xia,HU Yan-peng,ZHANG Yan-qiu,et al.Fracture Analysis on Weld Seam of SSAW Pipe of Certain Oil Pipeline[J].,2008,31(1):33-35.[doi:1001-3938(2008)01-0033-03]
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某输油管线螺旋焊管焊缝断裂原因分析
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
31
期数:
2008年第1期
页码:
33-35
栏目:
试验与研究
出版日期:
2008-01-28

文章信息/Info

Title:
Fracture Analysis on Weld Seam of SSAW Pipe of Certain Oil Pipeline
文章编号:
1001-3938(2008)01-0033-03
作者:
王力霞1胡岩鹏2张艳秋3尹成先4
(1.大庆石油学院 机械科学与工程学院;2.中国石油华北销售冀中分公司;3.中国石化西部新区勘探指挥部;4.中国石油天然气集团公司管材研究所)
Author(s):
WANG Li-xiaHU Yan-pengZHANG Yan-qiuYIN Cheng-xian
关键词:
输油管线螺旋焊管焊接缺陷断裂
Keywords:
oil transmission pipelinespiral welded pipewelding defectcrack
分类号:
TG441.7
DOI:
1001-3938(2008)01-0033-03
文献标志码:
A
摘要:
对某输油管线螺旋焊管焊缝进行了应力分析、裂纹扩展速率计算以及承载极限能力的计算,结果表明:在输油过程中,起源于未熔合区的焊接缺陷作为先天性裂纹,由于管线输送压力波动而逐渐疲劳扩展,同时随着焊缝部位剩余厚度的减少,当焊缝承受的工作压力达到极限压力时,管线会沿焊缝断裂。
Abstract:
Aiming at SSAW pipe of certain oil pipeline,stress analysis and calculation of crack propagation rate and limited-loading ability of weld seam are carried out,and all results prove that welding defeat originated from non-fusion zone is congenital defect during oil transmission,due to gradual fatigue crack growth will occur with variation of? transmitting pressure,the pipeline would fracture along weld seam with reduction of residual wall-thickness on weld seam while operating pressure reach limit pressure.

参考文献/References:

[1]臧铁军.螺旋焊管的特性[J].焊管,1995,18(1):6-7.
[2]FROST N E,MARSH K J,POOK L P.Metal Fatigue[M].Oxford:Oxford Engineering Science Series,1974.
[3]陈国理.压力容器及化工设备[M].广州:华南理工大学出版社,1995:335-339.
[4]周道祥.带裂纹管道静压爆破实验研究[J].安徽建筑工业学院学报,2002,10(3):4-5.

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备注/Memo

备注/Memo:
王力霞(1974-),女,讲师,硕士,主要研究方向为金属腐蚀与防护、材料失效分析。
收稿日期:2007-07-03
修改稿收稿日期:2007-08-17
更新日期/Last Update: