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Phase equilibria in the Ni-Si-Zr ternary system have been investigated experimentally by means of x-ray diffraction and electron probe micro-analyzer on equilibrated ternary alloys. Four ternary phases were detected at… Click to show full abstract
Phase equilibria in the Ni-Si-Zr ternary system have been investigated experimentally by means of x-ray diffraction and electron probe micro-analyzer on equilibrated ternary alloys. Four ternary phases were detected at 1023 and 1173 K. The Ni16Si7Zr6 phase tends to present in two different contrasts and has a wide homogeneity range. The reported Ni2Si9Zr14 phase is not detected in this work. It is proposed that the Ni2Si9Zr14 phase is unstable at these temperatures. As for the binary phases, Ni5Zr and Ni7Zr2 dissolve appreciable amounts of Si and γNi31Si12, βNi3Si, δNi2Si, NiSi2 exhibit a considerable solubility of Zr.
Journal Title: Journal of Phase Equilibria and Diffusion
Year Published: 2020
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