[1]史君林,赵建平,蒋伟杰.国产高强管线钢失效判定曲线研究[J].焊管,2016,39(7):11-16.[doi:10.19291/j.cnki.1001-3938.2016.07.003]
 SHI Junlin,ZHAO Jianping,JIANG Weijie.Investigation of Failure Assessment Curve for High Strength Pipeline Steel Produced in China[J].,2016,39(7):11-16.[doi:10.19291/j.cnki.1001-3938.2016.07.003]
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国产高强管线钢失效判定曲线研究
分享到:

《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
39
期数:
2016年第7期
页码:
11-16
栏目:
试验与研究
出版日期:
2016-07-28

文章信息/Info

Title:
Investigation of Failure Assessment Curve
for High Strength Pipeline Steel Produced in China
文章编号:
10.19291/j.cnki.1001-3938.2016.07.003
作者:
史君林赵建平蒋伟杰
南京工业大学 机械与动力工程学院, 南京 211816
Author(s):
SHI JunlinZHAO JianpingJIANG Weijie 
School of Mechanical and Power Engineering,Nanjing TECH University,Nanjing 211816, China
关键词:
管线钢失效评定曲线缺陷评定
Keywords:
pipeline steel failure assessment curve(FAC) defect assessment
分类号:
TE88
DOI:
10.19291/j.cnki.1001-3938.2016.07.003
文献标志码:
A
摘要:
为了研究国产高强度管线钢的失效行为,分别对X80、X80HD和X90三种国产高强度管线钢取四种典型试样,即紧凑拉伸试样(CT),中心裂纹板试样(CCP),双边裂纹板试样(DECP)和单边裂纹板试样(SECP),通过有限元计算,绘制了不同裂纹尺寸下的平面应力状态和平面应变状态下的失效评定曲线(Failure Assessment Curve,简称FAC)。研究结果表明,大多数情况下,R6第四版通用曲线比较保守,但是对DECP试样显得不保守,为此提出了针对高强管线钢的修正评定曲线。
Abstract:
In order to study the failure behaviors of high strength pipeline steel produced in China, the failure assessment curve(FAC) for high strength pipeline steel produced in China(X80, X80HD and X90) with different crack sizes of four typical specimens(CT, CCP, DECP, and SECP)were respectively drawn, under plane stress state and plane strain state, by using finite element method. The results showed that the R6 revision 4 general curve is conservative in most cases, but the FAC for DECP is no longer conservative. Meanwhile the modified FAC for high strength pipeline steel was given in this paper.

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备注/Memo

备注/Memo:
收稿日期: 2019-03-29
作者简介: 史君林(1992—),男,四川巴中人,现为南京工业大学机械与动力工程学院硕士研究生。
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