Theory of Valency Effect of Impurity Atoms on Hardening of Alloys

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概要

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• A theory of the electronic interaction between an edge dislocation and an impurity atom in a free electron metal is developed along a line similar to that given by Cottrell. Hunter and Nabarro (Phil. Mag 44 (1953) 1064). On the basis of a simple deformation potential and of the linearized Thomas-Fermi model, a screened potential around the dislocation is expressed analytically by the use of Green's theorem, and the electronic interaction energy is calculated by taking account of changes in the total energy of a free electron gas. The electronic interaction energy is not so small as has been considered. For example, in copper alloys the electronic interaction is 1〜4 times as great as an elastic one, unlike the result of Cottrell et al..

• 社団法人日本物理学会の論文
• 1966-10-05

著者

• Sugiyama Akira

  Physics Labolatory. College Of General Education Nagoya University

• Sugiyama Akira

  Physics Laboratory Department Of General Education .nagoya University Nagoya

• Sugiyama A.

  Physics Laboratory, Department of General Education, .Nagoya University Nagoya

関連論文

• Stationary Propagation of Kink in Dislocation
• Electron Density in Interior Far from Metal Surfaces
• Theory of Electronic Specific Heats of Dilute Alloys
• Theory of Valency Effect of Impurity Atoms on Hardening of Alloys
• Theory of Peierls Force of a Boundary Layer
• Statistical Velocity of Dislocation by Kink Formation Mechanism
• Calculation of Stacking Fault Energy by Use of Long-Range Interionic Potential. : I. Application of Ewald Method
• Quasi-Stationary Propagation of Dislocation Kink

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