稀土对工业纯铁中温内耗的影响

金属学报, 1991, 27(6): 14-20.

稀土对工业纯铁中温内耗的影响

戢景文 , 赖祖涵 , 吴玉琴 , 张国福 , 李广义

东北工学院物理系

副教授

东北工学院物理系

中国科学院金属研究所

基金项目: 冶金工业部资助；中国科学院内耗开放研究实验室资助；中国科学院固体缺陷开放研究实验室资助

关键词：内耗 , associate professor , Department of Physics

EFFECT OF RARE EARTH ON MIDDLE-TEMPERATURE INTERNAL FRICTION OF COMMERCIALLY PURE IRON

JI Jingwen , LAI Zuhan , WU Yuqin , ZHANG Guofu Northeast University of Technology , Shenyang

Keywords： JI Jingwen , Fe , 稀土

研究了稀土对工业纯铁中温内耗的影响.结果表明:其影响程度和热处理过程密切相关,铁中稀土有合金化作用.炉冷后变形铁在600℃时效,仍存在Snoek Ke-Koster(以下简称SKK)峰;随时效温度升高,SKK峰温度T_p不是单一下降,在600℃时效出现明显回升。

Effect of rare earth on the middle-temperature internal friction of commercially pure iron is closely related to heat treatment. The rare earth additive was resulted for acting on alloying. The Snoek-Ke-Koster (briefly called SKK) peak is found to remain still even if the deformed iron after furnace cooling has undergone to age at 600℃ for 1h. The SKK peak temperature does not simply fall as the ascending of aging temperature, but raise up again at 600℃ aging.

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