Abstract

The possibility of amorphization of the β-phase in the CrTi system is considered using free energy calculations based on the Miedema method. The results of this calculation are also compared with those obtained by other workers using phase diagram fitting and the cluster variation method. These calculations do not suggest any possibility of amorphization, called spontaneous vitrification, as has been reported in the literature. It is also found that strain energy can make only a negligible contribution to the overall free energy and thus cannot destabilize the β-phase. The possibility of spinodal decomposition of the β-phase is also considered.

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