Abstract
AbstractThe isothermal sections of the Ag–Cr–Zr ternary system at 1000 and 750°C were experimentally established. A series of phases as well as their compositions and crystal structures were characterized on the annealed alloys by means of optical microscopy, electron probe microanalysis, scanning electron microscopy and X-ray diffraction. Our studies have detected four three-phase regions at both 1000 and 750°C. (Ag) was observed to exist in the solid state at 750°C, and in the liquid state at 1000°C. No ternary compound was found in this system. The maximal solubilities of Cr in (Ag), Ag in ZrCr2, and Cr in AgZr2 at 1000°C are 4.12, 2.13, 0.91 at.%, respectively. At 750°C, the solid solubilities of Cr in AgZr, AgZr2, and that of Ag in αZrCr2 are determined to be about 1 at.%.
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