Publication

Peritectic reaction on the Al-rich side of Al-Cr system

Michel Rappaz
2015
Journal Articles

Abstract

A long lasting controversy on the nature of the reaction between liquid, Al and Al45Cr7 has been ended by planar front solidification experiments of Al-Cr alloy in a Bridgman furnace. Cr depletion in the liquid ahead of the quenched planar interface proves without any ambiguity that the invariant reaction on the Al-rich side of the Al-Cr phase diagram is peritectic. A value of the diffusion coefficient of Cr in liquid Al, D-l = 2.4 x 10(-9) m(2)/s, was also deduced from the solute composition profile measured in the quenched liquid. (C) 2014 Elsevier B.V. All rights reserved.

Official source

https://infoscience.epfl.ch/entities/publication/c341e4e4-9f27-41d2-9b3e-6e1769266a42

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Peritectic reaction on the Al-rich side of Al-Cr system

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