Abstract

Phase diagrams of the Al - Cr - Ti system are studied using physicochemical methods, i.e., x-ray phase, local x-ray spectrum, chemical, microdiffraction, and differential thermal analyses and hardness measurement. The results are used to plot an isothermal section of the Al - Cr - Ti phase diagram at 770 K in the range of titanium concentrations of 0 - 25 at.% and polythermal sections from a binary TiAl 3 - CrAl 7 section and a ray section with Cr : Ti = 3 : 1.

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