dislocations mobility under the image force effect in bicrystals of cfc materials: cu-x, x = pb, al, au, ag and ni

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ID: 230840
2015
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Abstract
The image force undergone by a matrix dislocations close and parallel to an interphase boundary is studied in Cu-X bicrystals (with X = Pb, Al, Au, Ag, Ni) for disorientations ranging between 0° and 90°.  Dislocations have a Burgers vector  = a/2 [110]. The elastic energy of dislocation-boundary interaction is calculated within the framework of anisotropic linear elasticity. The elastic energy is related to the difference of the two metals shear moduli. It is about a few hundred pico Joule per meter. The image force can be repulsive or attractive according to the sign and the intensity of shear moduli difference. The isoenergy maps have various symmetries according to the disorientation.
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ouchtati2015sciencesdislocations Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;A OUCHTATI;O KHALFALLAH
Journal journal of big data
Year 2015
DOI
DOI not found
URL
http://revue.umc.edu.dz/index.php/a/article/view/1574
Keywords
dislocation image force fcc structuretechnologyscience

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