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    Kinking of a Crack Out of an Interface

    Source: Journal of Applied Mechanics:;1989:;volume( 056 ):;issue: 002::page 270
    Author:
    Ming-Yuan He
    ,
    John W. Hutchinson
    DOI: 10.1115/1.3176078
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: Kinking of a plane strain crack out of the interface between two dissimilar isotropic elastic solids is analyzed. The focus is on the initiation of kinking and thus the segment of the crack leaving the interface is imagined to be short compared to the segment in the interface. Accordingly, the analysis provides the stress intensity factors and energy release rate of the kinked crack in terms of the corresponding quantities for the interface crack prior to kinking. Roughly speaking, the energy release rate is enhanced if the crack heads into the more compliant material and is diminished if it kinks into the stiff material. The results suggest a tendency for a crack to be trapped in the interface irrespective of the loading when the compliant material is tough and the stiff material is at least as tough as the interface.
    keyword(s): Fracture (Materials) , Toughness , Plane strain , Solids AND Stress ,
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      Kinking of a Crack Out of an Interface

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    http://yetl.yabesh.ir/yetl1/handle/yetl/104951
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    contributor authorMing-Yuan He
    contributor authorJohn W. Hutchinson
    date accessioned2017-05-08T23:29:08Z
    date available2017-05-08T23:29:08Z
    date copyrightJune, 1989
    date issued1989
    identifier issn0021-8936
    identifier otherJAMCAV-26307#270_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/104951
    description abstractKinking of a plane strain crack out of the interface between two dissimilar isotropic elastic solids is analyzed. The focus is on the initiation of kinking and thus the segment of the crack leaving the interface is imagined to be short compared to the segment in the interface. Accordingly, the analysis provides the stress intensity factors and energy release rate of the kinked crack in terms of the corresponding quantities for the interface crack prior to kinking. Roughly speaking, the energy release rate is enhanced if the crack heads into the more compliant material and is diminished if it kinks into the stiff material. The results suggest a tendency for a crack to be trapped in the interface irrespective of the loading when the compliant material is tough and the stiff material is at least as tough as the interface.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleKinking of a Crack Out of an Interface
    typeJournal Paper
    journal volume56
    journal issue2
    journal titleJournal of Applied Mechanics
    identifier doi10.1115/1.3176078
    journal fristpage270
    journal lastpage278
    identifier eissn1528-9036
    keywordsFracture (Materials)
    keywordsToughness
    keywordsPlane strain
    keywordsSolids AND Stress
    treeJournal of Applied Mechanics:;1989:;volume( 056 ):;issue: 002
    contenttypeFulltext
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