Differential calorimetric analysis of the binary system Sb-Zn

The experimental study of the system Sb-Zn by differential calorimetry made it possible to plot the whole phase diagram. We found the stability domains of existence of the stoichiometric compound SbZn and the solid solutions which extend on both sides from the compositions corresponding to Sb3Zn4 (forms gamma and beta) and Sb2Zn3 (forms eta and zeta). Sb3Zn4 and SbZn3 are both congruent melting compounds at 566 and 568 degrees C respectively with an eutectic transformation at 563 degrees C: liquid (43%Zn) <-> Sb3Zn4(gamma) + Sb2Zn3(eta) Sb2Zn3(zeta) is formed at 407 degrees C starting from Sb3Zn4(p) and zinc. The decomposition, by cooling, occurs around 360 degrees C. (c) 2006 Elsevier B.V. All rights reserved.