GENERALIZATION OF THE DATA ON THE STATE DIAGRAMS OF HAFNIUM BINARY SYSTEMS

Abstract

Prospects of the analogy principle application in investigating hafnium binary compounds have been considered. Using the taxon approach, the classification of promising hafnium binary compounds by the main distinctive features of their phase diagrams has been developed. Seven homogeneous groups of compounds are selected. Distinctive features of phase diagrams included in each of these homogeneous groups are determined. The efficiency of two-dimensional metric, the application of which provides the quantitative evaluation of different diagrams proximity and reveals compound-analogs, is substantiated. The results of the classification can be used in justifying the compositions of a number of basic hafnium alloys and foundry al loys.