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Improved J Estimation by GE/EPRI Method for the Thin-Walled Pipes With Small Constant-Depth Circumferential Surface Cracks
Liu X; Lu ZX; Chen Y(陈艳); Sui YL; Dai LH(戴兰宏)
2018-02-01
发表期刊JOURNAL OF PRESSURE VESSEL TECHNOLOGY-TRANSACTIONS OF THE ASME
卷号140期号:1
ISSN0094-9930
摘要Application of thin-walled high strength steel has become a trend in the oil and gas transportation system over long distance. Failure assessment is an important issue in the construction and maintenance of the pipelines. This work provides an engineering estimation procedure to determine the J-integral for the thin-walled pipes with small constant-depth circumferential surface cracks subject to the tensile loading based upon the General Electric/Electric Power Research (GE/EPRI) method. The values of elastic influence functions for stress intensity factor and plastic influence functions for fully plastic J-integral are derived in tabulated forms through a series of three-dimensional (3D) finite element (FE) calculations for a wide range of crack geometries and material properties. Furthermore, the fit equations for elastic and plastic influence functions are developed, where the effects of crack geometries are explicitly revealed. The new influence functions lead to an efficient J estimation and can be well applied for structural integrity assessment of thin-walled pipes with small constant-depth circumferential surface cracks under tension.
DOI10.1115/1.4038226
收录类别SCI ; EI
语种英语
WOS记录号WOS:000419360700002
关键词[WOS]HARDENING MATERIAL ; ESTIMATION SCHEMES ; COD ESTIMATION ; LIMIT LOADS ; DEFORMATION ; CYLINDERS
WOS研究方向Engineering
WOS类目Engineering, Mechanical
项目资助者National Key Research and Development Program of China(2017YFB0702003) ; Nature Science Foundation of China(11132011 ; Key Research Program of Frontier Sciences(QYZDJSSW-JSC011) ; Strategic Priority Research Program of the Chinese Academy of Sciences(XDB22040302 ; CAS/SAFEA International Partnership Program for Creative Research Teams ; 11472287 ; XDB22040303) ; 11402269 ; 11672299 ; 11572324)
论文分区Q4
力学所作者排名1
引用统计
文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/72251
专题非线性力学国家重点实验室
推荐引用方式
GB/T 7714
Liu X,Lu ZX,Chen Y,et al. Improved J Estimation by GE/EPRI Method for the Thin-Walled Pipes With Small Constant-Depth Circumferential Surface Cracks[J]. JOURNAL OF PRESSURE VESSEL TECHNOLOGY-TRANSACTIONS OF THE ASME,2018,140(1).
APA Liu X,Lu ZX,陈艳,Sui YL,&戴兰宏.(2018).Improved J Estimation by GE/EPRI Method for the Thin-Walled Pipes With Small Constant-Depth Circumferential Surface Cracks.JOURNAL OF PRESSURE VESSEL TECHNOLOGY-TRANSACTIONS OF THE ASME,140(1).
MLA Liu X,et al."Improved J Estimation by GE/EPRI Method for the Thin-Walled Pipes With Small Constant-Depth Circumferential Surface Cracks".JOURNAL OF PRESSURE VESSEL TECHNOLOGY-TRANSACTIONS OF THE ASME 140.1(2018).
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