快凝Al-Fe-V-Si-Nd合金中纳米相转变动力学的Mssbauer研究

被引:0
|
作者
庞华
邓江宁
林锦新
张宝金
曾梅光
机构
[1] 东北大学理学院!辽宁沈阳
关键词
Mssbauer谱; 相变动力学; 激活能; AlFeVSiNd合金; 纳米相;
D O I
暂无
中图分类号
TG13 [合金学与各种性质合金];
学科分类号
摘要
用DSC技术和M ssbauer谱研究了颗粒弥散的快凝Al Fe V Si Nd合金薄带中纳米相的转变和相变动力学·结果表明 :快凝Al Fe V Si Nd纳米合金在加热过程中亚稳的Al8Fe4Nd相向α Al13 (Fe ,V) 3 Si相转变 ,并用Avrami公式计算了Al8Fe4Nd相的分解激活能Eα 为 1 61± 0 1 2eV·研究表明亚稳相Al8Fe4Nd向α Al13 (Fe,V) 3 Si相转变的过程是由原子体扩散和原位扩散共同控制的·
引用
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页码:339 / 342
页数:4
相关论文
共 6 条
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