Experimental investigation and thermodynamic description of the Cu-Cr-Zr system
Source abstract
Abstract
Abstract The Cu-Cr-Zr ternary system was investigated via thermodynamic modeling coupled with key experiments. The isothermal section of the Cu-Cr-Zr system at 1123 K was determined by means of optical microscopy, X-ray diffraction and electron probe microanalysis, and the phase transformation temperatures were measured by differential scanning calorimetry. The Cu-Cr sub-binary system was re-assessed with a substitutional solution model for the solution phases to ensure its compatibility in multi-component system. A set of self-consistent thermodynamic parameters for the Cu-Cr-Zr systems was obtained using the CALPHAD (CALculation of PHAse Diagram) approach, and the calculated phase diagram is in a satisfactory agreement with the present experimental results and literature information. An increase of the thermodynamic stability for the CuZr and Cr 2 Zr phases due to the ternary solubility is verified by calculation.
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Research context
OpenAlex topics: Metallurgical Processes and Thermodynamics · Metallurgical and Alloy Processes · Electronic Packaging and Soldering Technologies
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