Plateau Stress,Thermally Activated Dislocation Motion and Solute Atmosphere Dragging in Concentrated KCI-KBr Solid Solution Single Crystals

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概要

• 論文の詳細を見る

• The friction stress r. to overcome concentrated solute Tons by thermal activationprocess and the dragging stress r. to move with the solute atmosphere formed by diffu-sion are given for the edge dislocation in model crystals. The total resistance stress r.which is assumed to be r.-F T. increases with increasing the dislocation velocity fromzero once has the maximum, and shows the minimum r,.,. at the velocity v., andagain increaes monotonicaly. The plateau stress is given approximately by "min' Thedislocations separate into high-speed dislocations with v. and the density p., andlow-speed dislocations with v. and p. at 'min' The temperature dependences of v., v.,p. and p. are given. In most region of the plateau, p.<<p. but p.v.>>p.v.,. The serra-Lion (P-L effect) is mainly induced by the intermitt<cnt group ntotion of the high-speeddislocations.

• 社団法人日本物理学会の論文
• 1987-09-15

著者

• Sakamoto Masao

  Department For The Study Of Contemporary Society Otemae University

• Sakamoto Masao

  Department of Precision Engineering,Faculty of Engineering,Osaka University

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• Influence of the Electric Field on Flow Stress in KCI Crystals Containing Ca^ Impurity
• A Yielding Model on the Plateau Stress in KCI-KBr Solid Solution Single Crystals
• Dragging Stress Exerted on Edge Dislocation Moving with Solute Atmosphere in Highly Concentrated Solid Solution
• Plateau Stress,Thermally Activated Dislocation Motion and Solute Atmosphere Dragging in Concentrated KCI-KBr Solid Solution Single Crystals
• Solid Solution Softening and Solid Solution Hardening in Concentrated KCL-KBr Model Crystals

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