National Tsing Hua University Institutional Repository:An analysis of the elastic interaction between an edge dislocation and an internal crack
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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


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    题名: An analysis of the elastic interaction between an edge dislocation and an internal crack
    作者: Shing-Dar Wang;Sanboh Lee
    教師: 李三保
    日期: 1990
    出版者: Elsevier
    關聯: Materials Science and Engineering, Vol.
    A130 pp. 1-10 (1990).
    关键词: edge dislocation
    dislocation-modelling approach
    摘要: 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/
    http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/62184
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