Some regularities of melting points of AB-type intermetallic compounds

A modified cellular model is proposed for the investigation of melting point regularities of AB-type intermetallic compounds. By this model, five parameters of constituent elements: electronegativity difference, ΔX; valence electron density difference, Δ( Z R 3 ) ; electron-atom ratio, e a ; metalli...

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Bibliographic Details
Published in:The Journal of physics and chemistry of solids 1996-12, Vol.57 (12), p.1797-1802
Main Authors: Chonghe, Li, Jin, Guo, Pei, Qin, Ruiliang, Chen, Nianyi, Chen
Format: Article
Language:English
Subjects:
A. intermetallic compounds
Applied sciences
Condensed matter: structure, mechanical and thermal properties
D. phase equilibria
D. phase transition
Equations of state, phase equilibria, and phase transitions
Exact sciences and technology
Metals. Metallurgy
Physics
Solid-liquid transitions
Specific phase transitions
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Summary:A modified cellular model is proposed for the investigation of melting point regularities of AB-type intermetallic compounds. By this model, five parameters of constituent elements: electronegativity difference, ΔX; valence electron density difference, Δ( Z R 3 ) ; electron-atom ratio, e a ; metallic radius ratio, R A R B ; and the average melting point of constituent elements, T avg, are used to find a mathematical model for the melting point prediction, with the artificial neural network as the method of computation. The error of prediction is usually about 5% of the absolute temperature of melting point.
ISSN:0022-3697
1879-2553
DOI:10.1016/S0022-3697(96)00083-2