Abstract

The melting‐point diagram of the system tellurium—silver may be regarded as composed of two adjoining systems, (1) the system Te‐Ag2Te, and (2) Ag2Te‐Ag. In the first part of the system the liquidus curve first drops from the melting point of Te at 451°C to a eutectic located at 351°C, 33 atomic per cent Ag. From the eutectic the curve then rises toward the melting point of Ag2Te at 959°C. This portion of the curve consists of two main branches, with Ag3Te2 as the primary phase from 351°C to 465°C, and Ag2Te as the primary phase above that. At 465°C Ag3Te2 melts incongruently with the formation of crystals of Ag2Te, and a liquid of 49 atomic per cent Ag.

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