Effect Range of the Material Constraint-II. Interface Crack

The selection of fracture behaviors used in the structure integrity assessment has significant implications on the accuracy of the assessment. The effect range of the material constraint is an important factor which effects the fracture behaviors of structures and exists in the different kinds of we...

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Main Authors: Yue Dai, Jie Yang, Lei Wang
Format: Article
Language:English
Published: MDPI AG 2019-06-01
Series:Metals
Subjects:
Online Access:https://www.mdpi.com/2075-4701/9/6/696
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author Yue Dai
Jie Yang
Lei Wang
author_facet Yue Dai
Jie Yang
Lei Wang
author_sort Yue Dai
collection DOAJ
description The selection of fracture behaviors used in the structure integrity assessment has significant implications on the accuracy of the assessment. The effect range of the material constraint is an important factor which effects the fracture behaviors of structures and exists in the different kinds of welded joints with the center crack. However, for the material constraint induced by an interface crack, which also appears widely in the welded joints, it is not clear whether the effect range exists or not. The further study of the effect range of the material constraint for the welded joints with interface crack is meaningful. Thus, in this study, different basic models with interface crack were designed, the fracture behaviors of these basic models under different material constraints were calculated, and the effect range of the material constraint induced by interface crack were studied. This study about the interface crack and the previous study about the center crack provide an additional basis for an accurate structure integrity assessment.
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spelling doaj.art-0cba71d0c5a042c9bf2c1f33158cb6022022-12-22T01:32:12ZengMDPI AGMetals2075-47012019-06-019669610.3390/met9060696met9060696Effect Range of the Material Constraint-II. Interface CrackYue Dai0Jie Yang1Lei Wang2Shanghai Key Laboratory of Multiphase Flow and Heat Transfer in Power Engineering, School of Energy and Power Engineering, University of Shanghai for Science and Technology, Shanghai 200093, ChinaShanghai Key Laboratory of Multiphase Flow and Heat Transfer in Power Engineering, School of Energy and Power Engineering, University of Shanghai for Science and Technology, Shanghai 200093, ChinaShanghai Key Laboratory of Multiphase Flow and Heat Transfer in Power Engineering, School of Energy and Power Engineering, University of Shanghai for Science and Technology, Shanghai 200093, ChinaThe selection of fracture behaviors used in the structure integrity assessment has significant implications on the accuracy of the assessment. The effect range of the material constraint is an important factor which effects the fracture behaviors of structures and exists in the different kinds of welded joints with the center crack. However, for the material constraint induced by an interface crack, which also appears widely in the welded joints, it is not clear whether the effect range exists or not. The further study of the effect range of the material constraint for the welded joints with interface crack is meaningful. Thus, in this study, different basic models with interface crack were designed, the fracture behaviors of these basic models under different material constraints were calculated, and the effect range of the material constraint induced by interface crack were studied. This study about the interface crack and the previous study about the center crack provide an additional basis for an accurate structure integrity assessment.https://www.mdpi.com/2075-4701/9/6/696material constrainteffect rangeinterface crack<i>J</i>-resistance curvecrack propagation path
spellingShingle Yue Dai
Jie Yang
Lei Wang
Effect Range of the Material Constraint-II. Interface Crack
Metals
material constraint
effect range
interface crack
<i>J</i>-resistance curve
crack propagation path
title Effect Range of the Material Constraint-II. Interface Crack
title_full Effect Range of the Material Constraint-II. Interface Crack
title_fullStr Effect Range of the Material Constraint-II. Interface Crack
title_full_unstemmed Effect Range of the Material Constraint-II. Interface Crack
title_short Effect Range of the Material Constraint-II. Interface Crack
title_sort effect range of the material constraint ii interface crack
topic material constraint
effect range
interface crack
<i>J</i>-resistance curve
crack propagation path
url https://www.mdpi.com/2075-4701/9/6/696
work_keys_str_mv AT yuedai effectrangeofthematerialconstraintiiinterfacecrack
AT jieyang effectrangeofthematerialconstraintiiinterfacecrack
AT leiwang effectrangeofthematerialconstraintiiinterfacecrack