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    National Tsing Hua University Institutional Repository > 工學院  > 材料科學工程學系 > 期刊論文 >  An analysis of the elastic interaction between an edge dislocation and an internal crack

    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/62184

    Title: An analysis of the elastic interaction between an edge dislocation and an internal crack
    Authors: Shing-Dar Wang;Sanboh Lee
    教師: 李三保
    Date: 1990
    Publisher: Elsevier
    Relation: Materials Science and Engineering, Vol.
    A130 pp. 1-10 (1990).
    Keywords: edge dislocation
    dislocation-modelling approach
    Abstract: The elastic interaction between an edge dislocation and a finite crack has been investigated using the dislocation-modelling approach. The authors considered not only the applied stresses of modes I and II but also dislocations inside the crack. They obtained the stress field, the force and strain energy of the dislocation and th stress intensity factors at both crack tips. The unstable equilibrium positions of dislocation have been studied. Also, the criterion of dislocation emission from the crack tip has been analysed in order to understand the crack tip as a major source of dislocations
    URI: http://www.elsevier.com/
    Appears in Collections:[材料科學工程學系] 期刊論文

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