Fe-Co-Nb三元系相图的1173 K等温截面

材料研究学报

2008, Vol. 22

Issue (1): 42-45

论文

本期目录 | 过刊浏览

Fe-Co-Nb三元系相图的1173 K等温截面

周果君; 刘华山; 刘立斌; 金展鹏

中南大学材料科学与工程学院长沙

引用本文:

周果君; 刘华山; 刘立斌; 金展鹏. Fe-Co-Nb三元系相图的1173 K等温截面[J]. 材料研究学报, 2008, 22(1): 42-45.

全文: PDF(440 KB)

摘要: 根据扩散偶局部平衡原理,用电子探针微区成分分析,测定了Fe-Co-Nb三元系1173 K的等温截面相图.结果表明,Fe-Co-Nb三元扩散偶在1173 K时生成Fe_7Nb_6、Fe_2Nb和Co_7Nb_6、Co_3Nb、Co_2Nb五种中间化合物.Fe_7Nb_6与Co_7Nb_6形成连续固溶体(Fe,Co)_7Nb_6.Fe-Co-Nb三元系的1173 K等温截面由αFe+αCo+Co_3Nb,αFe+Co_3Nb+Co_2Nb,αFe+Fe_2Nb+Co_2Nb,Re_2Nb+Co_2Nb+(Fe,Co)_7Nb_6四个三相区组成,没有发现三元化合物.

关键词 ：材料科学基础学科, Ee-Co-Nb, 扩散偶, 等温截

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收稿日期: 1900-01-01

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