大島商船高等専門学校紀要

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大島商船高等専門学校紀要 Volume 43
published_at 2010-12

Study on the interaction between a dislocation and impurities Part XV : Influence of the dopant on forest dislocation density in KCl single crystals doped with monovalent impurities

転位と不純物との相互作用に関する研究 (15) :　1 価不純物を含んだKCl 単結晶中の林転位密度に影響を及ぼすその不純物について
Kohzuki Yohichi
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OS10043000014.pdf
About This Article
Descriptions
On the basis of the relative curve of strain-rate sensitivity and stress decrement due to oscillation, the influence of strain on the interaction between a dislocation and impurities was investigated for three kinds of specimens: KCl, KCl:Li+ (LiCl 0.5 mol% in the melt), and KCl:Na+ (NaCl 0.5 mol% in the melt). As a result, it seemed that the Na+ ions in KCl:Na+ crystal make the forest dislocation density increased during plastic deformation at 80-300 K. However, the Li+ ions in KCl:Li+ do not influence the forest dislocation density.
Creator Keywords
forest dislocation density
plastic deformation
stress-strain curve
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