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Al-Ti-Zr 三元系1073 K 等温截面的测定

吕凯丽 , 杨冯 , 谢止云 , 刘华山 , 蔡格梅 , 金展鹏

中国有色金属学报(英文版) doi:10.1016/S1003-6326(16)64436-9

采用合金样与扩散偶相结合的方法，利用电子探针射线显微分析(EPMA)对 Al?Ti?Zr 三元系的1073 K 等温截面的相关系进行实验测定。结果表明：截面中存在一个 Al 含量(摩尔分数)达到16.3%的β(Ti,Zr)固溶体。Ti和 Zr 可以在大多数 Al?Zr 和 Ti?Al 二元中间化合物中相互取代。其中，Zr 在 Ti3Al 和 TiAl 中的最大固溶度分别达到17.9%和4.0%。该等温截面共包含16个单相区，27个两相区和14个三相平衡，没有检测到三元化合物。

关键词: Al-Ti-Zr 三元系 , 相平衡 , 扩散偶 , 固溶度

Determination of Isothermal Section of Fe-Ni-Zr Ternary System at 1198K

G.J. Zhou , S. Jin

金属学报(英文版)

The isothermal section of Fe-Ni-Zr ternary system at 1198K was experimentally determined using diffusion triple technique together with scanning electron microscopy (SEM) and electron probe microanalysis (EPMA). The results indicate that there are seven binary intermetallic phases, Fe2Zr, FeZr2, NiZr2, NiZr, Ni10Zr7, Ni7Zr2, and Ni5Zr, found in the ternary system, the binary compounds NiZr2 and FeZr2 show a homogeneity range and form a continuous solid solution, namely (Fe, Ni)Zr2. Five three-phase sections, γ(Fe,Ni) + Ni7Zr2 + Ni5Zr, γ(Fe,Ni) + Ni7Zr2 + Ni10Zr7, γ(Fe,Ni) + Fe2Zr + Ni10Zr7, (Fe,Ni)Zr2 + Fe2Zr + Ni10Zr7, and (Fe,Ni)Zr2 + NiZr + Ni10Zr7, exist in the isothermal section. No ternary compound is observed.

关键词: Fe-Ni-Zr , null , null

Miscibility Gap in the Fe-Cu-Ni System at 1173 K

GAN Weiping JIN Zhanpeng Central-South University of Technology , Changsha , 410083 , ChinaTo whom correspondence should be addressed

材料科学技术（英文）

The isothermal section of the Fe-Cu-Ni ternary system at 1173 K was determined by microprobe analysis and diffusion triple technique. The experimental results show that this isothermal section only contains a miscibility gap region,and the maximal Ni content in the miscibility gap is 44.7 at.-%Ni.

关键词: Fe-Cu-Ni phase diagram , null , null

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