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    Time Dependent Fracture and Cohesive Zones

    Source: Journal of Engineering Materials and Technology:;1993:;volume( 115 ):;issue: 003::page 262
    Author:
    W. G. Knauss
    DOI: 10.1115/1.2904216
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: This presentation is concerned with the fracture response of materials which develop cohesive or bridging zones at crack tips. Of special interest are concerns regarding crack stability as a function of the law which governs the interrelation between the displacement(s) or strain across these zones and the corresponding holding tractions. It is found that for some materials unstable crack growth can occur, even before the crack tip has experienced a critical COD or strain across the crack, while for others a critical COD will guarantee the onset of fracture. Also shown are results for a rate dependent nonlinear material model for the region inside of a craze for exploring time dependent crack propagation of rate sensitive materials.
    keyword(s): Fracture (Process) , Crack propagation , Displacement AND Stability ,
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      Time Dependent Fracture and Cohesive Zones

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    http://yetl.yabesh.ir/yetl1/handle/yetl/112013
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    contributor authorW. G. Knauss
    date accessioned2017-05-08T23:41:29Z
    date available2017-05-08T23:41:29Z
    date copyrightJuly, 1993
    date issued1993
    identifier issn0094-4289
    identifier otherJEMTA8-26957#262_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/112013
    description abstractThis presentation is concerned with the fracture response of materials which develop cohesive or bridging zones at crack tips. Of special interest are concerns regarding crack stability as a function of the law which governs the interrelation between the displacement(s) or strain across these zones and the corresponding holding tractions. It is found that for some materials unstable crack growth can occur, even before the crack tip has experienced a critical COD or strain across the crack, while for others a critical COD will guarantee the onset of fracture. Also shown are results for a rate dependent nonlinear material model for the region inside of a craze for exploring time dependent crack propagation of rate sensitive materials.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleTime Dependent Fracture and Cohesive Zones
    typeJournal Paper
    journal volume115
    journal issue3
    journal titleJournal of Engineering Materials and Technology
    identifier doi10.1115/1.2904216
    journal fristpage262
    journal lastpage267
    identifier eissn1528-8889
    keywordsFracture (Process)
    keywordsCrack propagation
    keywordsDisplacement AND Stability
    treeJournal of Engineering Materials and Technology:;1993:;volume( 115 ):;issue: 003
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
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