Investigation on the isothermal section of the Gd–Ni–Y ternary system at 773 K

Investigation on the isothermal section of the Gd–Ni–Y ternary system at 773 K
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Gd-Ni-Y 三元体系 773 K 等温截面研究

DOI:
10.1016/j.jallcom.2011.04.028
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发表时间:
2011
影响因子:
6.2
通讯作者:
L. Zeng
L. Zeng
中科院分区:
材料科学2区
文献类型:
--
作者:
Wei He;Wei Zheng;Jianlong Yang;L. Zeng

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采用X射线粉末衍射、金相分析和扫描电镜能谱分析等方法,研究了Gd-Ni-Y三元系相图在773 K时的等温截面。等温截面由12个单相区、15个两相区和4个三相区组成。Gd-Ni和Y-Ni系中的六对相应化合物,即Gd 2Ni 17和Y2 Ni 17、GdNi 5和YNi 5、Gd 2Ni 7和Y2 Ni 7、GdNi 3和YNi 3、GdNi 2和YNi 2、Gd 3 Ni和Y3 Ni分别与金属Gd和Y形成连续系列的固溶体。在773 K时,Gd在YNi中的最大溶解度和Y在GdNi中的最大溶解度约为20 at.% Gd和8at.% Y,分别。Gd在YNi_4中不固溶,Y在GdNi_4中不固溶。
The isothermal section of the phase diagram of the Gd–Ni–Y ternary system at 773 K was investigated by means of X-ray powder diffraction, metallographic analysis and scanning electron microscopy with energy dispersive analysis. The isothermal section consists of 12 single-phase regions, 15 two-phase regions and 4 three-phase regions. Six pairs of corresponding compounds in the Gd–Ni and Y–Ni systems, i.e., Gd2Ni17and Y2Ni17, GdNi5and YNi5, Gd2Ni7and Y2Ni7, GdNi3and YNi3, GdNi2and YNi2, Gd3Ni and Y3Ni and metals Gd and Y form a continuous series of solid solutions, respectively. At 773 K, the maximum solubilities of Gd in YNi and Y in GdNi were about 20 at.% Gd and 8 at.% Y, respectively. No solubility of Gd in YNi4and Y in GdNi4was observed.
DOI: --
发表时间: 2005
期刊: Physica B 367
影响因子: --
作者:
K.Yano;I.Umehara;T.Miyazawa;Y.Adachi;K.Sato
通讯作者: K.Sato