[1]熊庆人,闫 琳,张建勋,等.高钢级管道环焊缝缺陷容限尺寸数值分析[J].焊管,2013,36(9):25-29.[doi:1001-3938(2013)09-0025-05]
 XIONG Qingren,YAN Lin,ZHANG Jianxun,et al.Numerical Analysis of Defect Tolerance Dimension in Circumferential Weldof High Grade Pipeline[J].,2013,36(9):25-29.[doi:1001-3938(2013)09-0025-05]
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高钢级管道环焊缝缺陷容限尺寸数值分析
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
36
期数:
2013年第9期
页码:
25-29
栏目:
应用与开发
出版日期:
2013-09-28

文章信息/Info

Title:
Numerical Analysis of Defect Tolerance Dimension in Circumferential Weld
of High Grade Pipeline
文章编号:
1001-3938(2013)09-0025-05
作者:
熊庆人1闫 琳2张建勋2胡美娟1齐丽华1杨 放1
(1.中国石油集团石油管工程技术研究院,西安 710065;
2.西安交通大学 材料科学与工程学院,西安 710049)
Author(s):
XIONG Qingren1 YAN Lin2 ZHANG Jianxun2 HU Meijuan1 QI Lihua1 YANG Fang1
(1. CNPC Tubular Goods Research Institute , Xi’an 710065,China;
2. Xi’an Jiaotong University,Xi’an 710049,China)
关键词:
管道环焊缝缺陷容限焊接接头
Keywords:
pipeline circumferential weld defect tolerance welded joint
分类号:
TG445
DOI:
1001-3938(2013)09-0025-05
文献标志码:
A
摘要:
采用数值模拟方法研究了X70和X80管道的缺陷容限尺寸和抗断裂能力。研究结果表明,缺陷容限尺寸与焊接接头匹配性能有着密切的联系,无论是气孔容限尺寸还是裂纹容限尺寸,都随匹配系数的增加而增加,即高匹配的焊接接头具有较高的缺陷容限尺寸。缺陷容限尺寸数值大小反映了管道的抗断裂能力的高低,对于高钢级管道环焊缝,当采用高匹配焊接接头时,其缺陷容限尺寸比低匹配焊接接头要大,高匹配焊接接头具有较好的抗断裂能力。
Abstract:
The defect tolerance dimension and fracture resistance ability of X70, X80 pipeline were studied by numerical simulating method. The results showed that the defect tolerance dimension is with close relationship with the match property of the welded joint. Either the gas blister or crack tolerance dimension will increase with matching coefficient increment. The high matching welded joint will be with larger defect tolerance dimension, and with better facture resistance ability. The crack tolerance dimension is an index of fracture toughness for material, and its numerical value reflects the fracture resistance of the pipeline. For high grade pipeline circumferential weld, while adopting high matching welded joint, the defect tolerance dimension is larger than that of the low matching welded joint.

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备注/Memo

备注/Memo:
熊庆人(1969—),女,高级工程师,西安交通大学材料科学与工程学院博士研究生,主要从事管线管及管线钢、低温用钢领域的试验研究工作,获省部级科技进步二等奖2项,发表论文40余篇。
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