IMECH-IR  > 非线性力学国家重点实验室
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)
Source PublicationJOURNAL OF PRESSURE VESSEL TECHNOLOGY-TRANSACTIONS OF THE ASME
2018-02-01
Volume140Issue:1
ISSN0094-9930
AbstractApplication 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
Indexed BySCI ; EI
Language英语
WOS IDWOS:000419360700002
WOS KeywordHARDENING MATERIAL ; ESTIMATION SCHEMES ; COD ESTIMATION ; LIMIT LOADS ; DEFORMATION ; CYLINDERS
WOS Research AreaEngineering
WOS SubjectEngineering, Mechanical
Funding OrganizationNational 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)
ClassificationQ4
Ranking1
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/72251
Collection非线性力学国家重点实验室
Recommended Citation
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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