[1]温志刚,靳伟亮,张剑利,等.海洋平台导管架卷管横向焊接裂纹性质的分析[J].焊管,2012,35(10):36-38.[doi:1001-3938(2012)10-0036-03]
 WEN Zhigang,JIN Weiliang,ZHANG Jianli,et al.Study on the Properties of Transverse Welding Cracks Appeared in the Jacket of Offshore Platform[J].,2012,35(10):36-38.[doi:1001-3938(2012)10-0036-03]
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海洋平台导管架卷管横向焊接裂纹性质的分析
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
35
期数:
2012年第10期
页码:
36-38
栏目:
应用与开发
出版日期:
2012-10-28

文章信息/Info

Title:
Study on the Properties of Transverse Welding Cracks Appeared in the Jacket of Offshore Platform
文章编号:
1001-3938(2012)10-0036-03
作者:
温志刚靳伟亮张剑利闵祥军
(海洋石油工程(青岛)有限公司,山东 青岛 266520)
Author(s):
WEN Zhigang JIN Weiliang ZHANG Jianli MIN Xiangjun
(Offshore Oil Engineering(Qingdao)Co., Ltd., Qingdao 266520,Shandong,China)
关键词:
海洋平台导管架卷管焊接横向裂纹
Keywords:
offshore platform jacket reel pipe welding transverse crack
分类号:
TE441.7
DOI:
1001-3938(2012)10-0036-03
文献标志码:
A
摘要:
针对海洋平台导管架卷管横向焊接裂纹的性质进行了分析研究。采用逐层剥离和着色法探伤后确定该裂纹主要位于热影响区靠近母材一侧,其尺寸大都在0.5 mm以下。对裂纹形态和夹杂物的成分分析发现,裂纹内含有大量成分复杂的多重夹杂物和低熔点共晶产物,裂纹体较宽,裂纹内表面光滑,呈明显的沿晶开裂特征,综合判断所发现的焊接横向裂纹为热影响区液化裂纹。
Abstract:
In this paper, the properties of transverse cracks formed during the welding in the jacket of offshore platform were analyzed. By layered grinding and dye-penetrant test method, the cracks were detected in the HAZ near the base metal. The size of these cracks was less than 0.5 mm generally. The crack shape and inclusion elements were tested, the result showed that a large number of multiple inclusions with complex composition and low-melting-point eutectic exist in the cracks. These cracks are broad; the inner surface of the crack is smooth and show the typical intergranular fracture mode. All the properties indicated that these transverse cracks are HAZ liquation cracks.

参考文献/References:

[1] 吴绍炳, 黄荣杰, 杨朝瑞,等. SA302Cr.B汽包环缝横向裂纹分析[J]. 石油和化工设备, 2011,14 (07):24-27.
[2] 张克修, 吴金辉, 王树人. X80螺旋管埋弧焊管焊缝横向裂纹产生原因及预防措施[J]. 焊管,2010,33(08):10-13.
[3] 张华军, 陆汉忠, 沈大明,等. 大厚板高强钢补焊横向裂纹试验机产生机理[J]. 焊接学报,2011,32(04):75-78.
[4] 王立柱, 张远生, 张涵. 直缝埋弧焊钢管焊缝横向裂纹产生原因分析[J]. 焊管, 2008, 31(04):68-71.
[5] 张文钺. 焊接冶金学[M]. 北京:机械工业出版社,2004.

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备注/Memo

备注/Memo:
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作者简介:温志刚(1977—),男,焊接工程师,主要从事海洋工程结构焊接技术工作。
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