Peculiarities of the crystallization of Al-Mg system alloys with addition of transition metals

Zamyatin V.M., Reznik P.L., Ovsyannikov B.V.

KEY WORDS:

scandium, aluminium, zirconium, alloy, analysis, thermal, micro- X-ray spectral, phase, crystallization, intermetallic compound, non-equilibrium eutectic

ABSTRACT:

Thermal analysis of the non-equilibrium crystallization of some mulicomponent alloys of the Al-Mg system with additions of transition metals was performed. The cooling thermograms demonstrate peak exotherms, which testify extraction of intermetallic compounds from the melts according to peritectic reactions. The composition of intermetallic compounds is detected and the temperature intervals of their formation at non-equillirium melts hardening are determined.


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