Alloying-related trends in thermal properties of ternary TiN-based nitrides

Author:

Huang Shuo1,Li Rui-Zi1,Qi San-Tao1,Chen Bao1,Shen Jiang1

Affiliation:

1. Department of Physics, University of Science and Technology Beijing, Beijing 100083, P. R. China

Abstract

The thermal properties of TiN -based nitrides are studied using first-principles calculations. Bulk modulus, thermal expansion, heat capacity, vibrational entropy and melting point for TiN –X compounds are computed, considering all possible transition-metal solute species X. The calculated properties show clear trends as a function of d-band filling. The results indicate that the largest increase of melting point of TiN is caused by alloying element W. Computed thermal properties for pure TiN are in good agreement with the available experimental and theoretical data.

Publisher

World Scientific Pub Co Pte Lt

Subject

Condensed Matter Physics,Statistical and Nonlinear Physics

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