固态置换反应的界面稳定性

中国有色金属学报, 2001, 11(z1): 167-171.

固态置换反应的界面稳定性

甘国友 ^1, , 孙加林 ^2, , 陈敬超 ^3, , 陈永中 ^4, , 严继康 ^5,

1.昆明理工大学材料与冶金工程学院,

2.昆明理工大学材料与冶金工程学院,

3.昆明理工大学材料与冶金工程学院,

4.昆明理工大学材料与冶金工程学院,

5.昆明理工大学材料与冶金工程学院,

基金项目: 国家自然科学基金(59672033)

关键词：固态置换反应 , 原位复合材料 , 界面稳定性 , 束集密度

Interface stability analysis of solid-state displacement reaction

通过建立界面扰动模型, 推导了三元固态置换反应系界面稳定性的化学势梯度判据. 结果表明: 如果扰动微区前沿速率控制元素的化学势梯度升高小于20.7%, 平面界面稳定长大, 将形成层状结构; 若大于20.7%, 平面界面不稳定长大, 将形成束集型结构. 计算了某一常见假设下棒状束集型结构的束集密度.

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固态置换反应的界面稳定性

Interface stability analysis of solid-state displacement reaction

参考文献