Phase equilibrium study of the Zn-Fe-Ga-S system

利用加装的电炉和电子天平，用干法对Zn-Fe-Ga-S系在900ﾟC和800ﾟC下进行了相平衡实验，得到了四元系在这两种温度下的相平衡关系。反应物为合成的ZnS、FeS、GAS和Ga2S3，产物用反射显微镜和X射线衍射仪进行了鉴定。确定的相为：闪锌矿、纤锌矿、Y合金、X相、Z相、U相、V相、W相、磁黄铁矿、α-铁、锌-液、镓-液、硫液、气、Ga_2S_3。在锌-镓-S系统中存在立方U相，在Ga-Fe-S系统中存在立方相Z固溶体、六方相W固溶体和四方相X；在锌-铁-镓系统中存在锌-液、镓-液、α-铁、Y合金和伽马相。

Using the added electric furnace and the electric balance, I performed the phase equilibrium experiments by dry method in the Zn-Fe-Ga-S system at 900ﾟC and 800ﾟC, and obtained the phase equilibrium relations in the quaternary system at both temperatures. Reactants are synthetic ZnS, FeS, GaS and Ga_2S_3, and elements of Zn, Fe, Ga and S.Products are identified by a reflected microscope and an X-ray diffractometer. The identified phases are as following : sphalerite, wurtzite, alloy Y, Phase X, Phase Z, Phase U, Phase V, Phase W, pyrrhotite, alpha-iron, zinc-liquid, gallium-liquid, sulfur- liquid, GaS, Ga_2S_3The largest solid solution in the central portion of this quaternary system is (Zn, Fe, Ga)1-xS solid solution, and the second is Phase V solid solution. In the Zn-Ga-S system there exists cubic Phase U solid solution, and in the Ga-Fe-S system there exist cubic Phase Z solid solution, hexagonal Phase W solid solution and tetragonalPhase X.In the Zn-Fe-Ga system there exist zinc-liquid, gallium-liquid, alpha-iron, alloy Y and gamma-phase.