Abstract
By means of the theoretical analysis and based on the experimental data, the part of the Cu–Ni–Mn structural diagram from 0 to 20 % Ni and from 30 to 50 % Mn has been specified. The supposition, which is contained in a number of works, of the existence in the ternary Cu–Ni–Mn state diagram of the line, along which the zero crystallization range alloys are arranged, is shown to be incorrect. The alloys in the double Cu–Mn and Ni–Mn systems have the zero crystallization range only. The primary supposition of impossibility to present nonequilibrium crystallization according to Petrov–Scheil with lacking of the minimum line in the Cu– Ni–Mn system has not been confirmed because formerly the investigations were carried out with a model system in which there observed a convex line of the liquidus curve on the polythermal cross-section joining the minima in the double systems. The present work shows this line that is concave towards the temperature decrease.
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Schedule a callMore From: Izvestiya Vuzov. Tsvetnaya Metallurgiya (Proceedings of Higher Schools. Nonferrous Metallurgy)
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