The isothermal section of the Zr Cr Cu ternary system at 580 °C
Source abstract
Abstract
Abstract The 580 °C isothermal section of the Zr Cr Cu ternary system was determined by means of X-ray diffraction, scanning electron microscopy and electron probe microanalysis. This isothermal section contained 10 single-phase regions, 18 two-phase regions and 9 three-phase regions. No ternary compound was found at 580 °C in the system. The solubility of Cu in the ZrCr 2 cubic Laves C15 phase and the solubility of Cr and Cu in the terminal α-Zr solid solution phase were determined. The site occupation of element Cu in the ZrCr 2 cubic Laves C15 phase was determined by Rietveld refinement. The Cu prefers to occupy the position of Cr. The CuZr phase, which is not stable at 580 °C in the binary Cu Zr system, was confirmed to exist at this temperature in the Zr Cr Cu ternary system. This is probably due to that the dissolving of Cr in the CuZr phase increases its thermodynamic stability.
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Research context
OpenAlex topics: Nuclear Materials and Properties · Advanced materials and composites · High Temperature Alloys and Creep
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References (37)
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