Elastic Energy, Stress Field and Interaction of Dislocations in Bismuth Crystal

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概要

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• The energy factor, K, and the elastic energy of dislocations at temperatures between 4.2 K and the melting point in a bismuth crystal are obtained by numerical calculations in terms of anisotropic elasticity theory. The results are applied to the stress fields around edge dislocations and the possible dislocation interactions. It is found that the temperature dependence of K's is analogous to those of the elastic constants and dislocations in each slip plane may be most stable if its line is along a <11^^-0> direction. The experimental fact that the {001}<1^^-1^^-0> slips have been active in our previous work is verified by the criterion of a minimum dislocation energy. The stress fields around an edge dislocation in a {001}<1^^-1^^-0> and a {111^^-}<110> slip systems show a distinct anisotropic effect.

• 社団法人応用物理学会の論文
• 1975-04-05

著者

• Motohashi Yoshinobu

  Department Of Mechanical Engineering Faculty Of Engineering Ibaraki University

• OTAKE Syuichi

  Department of Physics, Faculty of Science, Science University of Tokyo

• Otake Syuichi

  Department Of Physics Faculty Of Science Science University Of Tokyo

関連論文

• Dark and Light Pits in Bismuth Crystals
• Dislocation Etch Pits on Various Crystal Planes with Higher Order Indices of Bismuth
• Elastic Energy of Dislocations in Bismuth Crystal
• Elastic Energy, Stress Field and Interaction of Dislocations in Bismuth Crystal

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