简介概要

RECOVERY OF COLD DEFORMED HIGH PURE SILVER

来源期刊:中国有色金属学报(英文版)1996年第2期

论文作者:Ning Yuantao Wen Fei Zhao Huaizhi Deng Deguo

文章页码:105 - 110

Key words:silver; recovery; recrystallization

Abstract: The changes of mechanical and electrical properties as well as lattice distortion of cold deformed silver with high purity of 99.999% were studied in its recovery processes at 23 and 50℃temperatures. The high pure silver showed a low recrystallization temperature of 70℃and obvious natural recovery softening effect. The recovery process was quickened with increasing cold deformation degree and rising age temperature, obeying an isothermal recovery rate equation: ln(x0/x) = Kt.The recovery activation energy of the high pure silver was found to beE=20kJ/mol, and the recovery process was mainly controlled by point defect recovering mechanism.

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