The Evaluation of k11 in Masson's Models with Bond Parameters

Author： Shi Xue Dou   Hua Kuen Liu  

Publisher： Maney Publishing

ISSN： 0008-4433

Source： Canadian Metallurgical Quarterly, Vol.20, Iss.1, 1981-01, pp. : 85-88

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Abstract

In this paper the relationships between k11 in Masson's models and some bond parameters are discussed. It is discovered that there exist certain relationships between k11 and bond parameters such as ratio of effective nuclear charge to radius of metallic ions Z*/rk second ionization potential I2, Slater potential energy function of second valence electron (Z – σ/η*)2 and electronegativity XA in the Allred–Rochow scale. A linear plot of log k11 against XA3 is obtained and its empirical equation can be used to evaluate values of k11 for some binary systems. The results agree in general with those obtained from experiments.RésuméNous discutons ici de la relation existant entre k11 et des paramètres de liaison, tels que: le rapport de la charge effective nucléaire au rayon des ions métalliques Z*/rk , le potentiel de deuxième ionisation I2, la fonction d'énergie potentielle de l'électron de deuxiéme classe (Z – σ/η*)2 et l'électronégativé XA de l'échelle de Allred-Rochow. Une relation linéaire est obtenue graphiquement entre log k11 et (XA)3, et l'equation empirique qui en découle peut être utilisée pour évaluer les valeurs de k11 de quelques systèmes binaires. Les calculs confirment en général, les résultats expérimentaux obtenus.

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