Elastic compliance of single-edge-notched tension SE(T) (or SENT) specimens

There has been a trend recently to use specimen geometries for toughness measurement that are more representative of actual flaw geometries in service. A prominent example is the use of single-edge-notched tension specimens for assessment of surface flaws in pipelines. To obtain a resistance (R) cur...

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Main Authors: B. Tyson, P. Ding, X. Wang
Format: Article
Language:English
Published: Gruppo Italiano Frattura 2014-09-01
Series:Fracture and Structural Integrity
Subjects:
Online Access:https://www.fracturae.com/index.php/fis/article/view/1292
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author B. Tyson
P. Ding
X. Wang
author_facet B. Tyson
P. Ding
X. Wang
author_sort B. Tyson
collection DOAJ
description There has been a trend recently to use specimen geometries for toughness measurement that are more representative of actual flaw geometries in service. A prominent example is the use of single-edge-notched tension specimens for assessment of surface flaws in pipelines. To obtain a resistance (R) curve, i.e. J-integral or CTOD as a function of crack growth, it is necessary to monitor the crack size as a function of J or CTOD. To facilitate obtaining these data from a single specimen, the elastic CMOD unloading compliance C has been used in several testing programs to estimate crack size. C is a function of several variables in addition to crack size – notably, specimen constraint (plane stress or plane strain). In this paper, the dependence of C on these variables will be discussed.
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institution Kabale University
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publisher Gruppo Italiano Frattura
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series Fracture and Structural Integrity
spelling doaj-art-a69669078ad246acb9b84d5dcefa04182025-01-03T00:40:00ZengGruppo Italiano FratturaFracture and Structural Integrity1971-89932014-09-01830Elastic compliance of single-edge-notched tension SE(T) (or SENT) specimensB. Tyson0P. Ding1X. Wang2CanmetMATERIALS, Hamilton, ON, CanadaCarleton University, Ottawa, CanadaCarleton University, Ottawa, CanadaThere has been a trend recently to use specimen geometries for toughness measurement that are more representative of actual flaw geometries in service. A prominent example is the use of single-edge-notched tension specimens for assessment of surface flaws in pipelines. To obtain a resistance (R) curve, i.e. J-integral or CTOD as a function of crack growth, it is necessary to monitor the crack size as a function of J or CTOD. To facilitate obtaining these data from a single specimen, the elastic CMOD unloading compliance C has been used in several testing programs to estimate crack size. C is a function of several variables in addition to crack size – notably, specimen constraint (plane stress or plane strain). In this paper, the dependence of C on these variables will be discussed.https://www.fracturae.com/index.php/fis/article/view/1292SENT
spellingShingle B. Tyson
P. Ding
X. Wang
Elastic compliance of single-edge-notched tension SE(T) (or SENT) specimens
Fracture and Structural Integrity
SENT
title Elastic compliance of single-edge-notched tension SE(T) (or SENT) specimens
title_full Elastic compliance of single-edge-notched tension SE(T) (or SENT) specimens
title_fullStr Elastic compliance of single-edge-notched tension SE(T) (or SENT) specimens
title_full_unstemmed Elastic compliance of single-edge-notched tension SE(T) (or SENT) specimens
title_short Elastic compliance of single-edge-notched tension SE(T) (or SENT) specimens
title_sort elastic compliance of single edge notched tension se t or sent specimens
topic SENT
url https://www.fracturae.com/index.php/fis/article/view/1292
work_keys_str_mv AT btyson elasticcomplianceofsingleedgenotchedtensionsetorsentspecimens
AT pding elasticcomplianceofsingleedgenotchedtensionsetorsentspecimens
AT xwang elasticcomplianceofsingleedgenotchedtensionsetorsentspecimens