The plastic deformation of germanium single crystals: Yield and ideal easy glide
- 1 January 1964
- journal article
- research article
- Published by Taylor & Francis in Philosophical Magazine
- Vol. 9 (97), 9-36
- https://doi.org/10.1080/14786436408217472
Abstract
Constant strain-rate tests were performed on very pure germanium single crystals oriented for easy glide. Studies of the effects of initial dislocation density, testing temperature and strain-rate lead to the conclusion that the yield point was due not to an impurity but to the multiplication of the originally small number of dislocations. Measurements of the strain-rate and temperature-dependence of the flow in a zero-hardening condition gave data on the velocity-stress relation for the dislocations. These enable a quantitative analysis of certain features of the yield point and a detailed investigation of the nature of the resistance to dislocation motion.Keywords
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