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Title:
Improved J Estimation by GE/EPRI Method for the Thin-Walled Pipes With Small Constant-Depth Circumferential Surface Cracks
Author: Liu X; Lu ZX; Chen Y(陈艳); Sui YL; Dai LH(戴兰宏)
Source: JOURNAL OF PRESSURE VESSEL TECHNOLOGY-TRANSACTIONS OF THE ASME
Issued Date: 2018-02-01
Volume: 140, Issue:1
Abstract: 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.
Language: 英语
Indexed Type: SCI ; EI
DOI: 10.1115/1.4038226
DOC Type: Article
WOS Subject: Engineering, Mechanical
WOS Subject Extended: Engineering
WOS Keyword Plus: HARDENING MATERIAL ; ESTIMATION SCHEMES ; COD ESTIMATION ; LIMIT LOADS ; DEFORMATION ; CYLINDERS
WOS ID: WOS:000419360700002
ISSN: 0094-9930
Funder: 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)
Classification: Q4
Ranking: 1
Citation statistics:
Content Type: 期刊论文
URI: http://dspace.imech.ac.cn/handle/311007/72251
Appears in Collections:非线性力学国家重点实验室_期刊论文

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Recommended Citation:
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,2018-02-01,140(1).
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