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The Influence of Interfaces on Dislocation Mobility

<p> A numerical method was developed to calculate the passing stress of pile-ups in a general internal stress field. This method was used to calculate the passing stress for a pile-up of like edge dislocations for a sinusoidal internal stress field, a simple tilt wall, and a
Van der Merwe net of misfit dislocations. The passing stresses for single dislocation for these internal stress fields were also calculated.</p> <p> The Burgers vectors of a common set of misfit dislocations at the interface of Ni3Ge particles in a Ni matrix were determined. The
surface slip lines of a directionally solidified sample of Ni-20% Ge alloy tested in compression were examined.</p> / Thesis / Master of Engineering (MEngr)

Identiferoai:union.ndltd.org:mcmaster.ca/oai:macsphere.mcmaster.ca:11375/20161
Date02 1900
CreatorsShewfelt, Robert S. W.
ContributorsEmbury, J. D., Metallurgy and Materials Science
Source SetsMcMaster University
Languageen_US
Detected LanguageEnglish
TypeThesis

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