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材料研究学报  2002, Vol. 16 Issue (5): 467-472    
  论文 本期目录 | 过刊浏览 |
脉冲电流处理后低碳钢中的局域纳米结构
周亦胄;张伟;郭敬东
中国科学院金属研究所 沈阳材料科学国家(联合)实验室
引用本文:

周亦胄; 张伟; 郭敬东 . 脉冲电流处理后低碳钢中的局域纳米结构[J]. 材料研究学报, 2002, 16(5): 467-472.

全文: PDF(524 KB)  
摘要: 用透射电镜观察经过高密度脉冲电流处理后的粗晶低碳钢,发现该材料中有纳米结构的γ-Fe生成.讨论了纳米结构的生成机制.脉冲电流作用时间短,加热速度快,改变相变势垒的效应和快速冷却的条件是生成纳米结构的原因.电流降低热力学形核势垒是一个不容忽视的因素.
关键词 脉冲电流纳米结构相变    
Key words
收稿日期: 1900-01-01     
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