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Calculation of bulk modulus of titanium alloys by first principles electronic structure theory

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Journal of Computer-Aided Materials Design

Abstract

A theoretical study of the electronic structure and binding energy of some hypothetical Ti-X alloys was carried out using a first-principles discrete variational cluster method. The formation energy of an alloying atom in solution of titanium was estimated based on such calculations, and the case of multi-constituent practical Ti alloys was considered in the dilute limit by a linear superimposition approach. The influences of alloying additions on the bulk modulus of the alloys were evaluated from the variation of the formation energy. The calculated moduli of the Ti alloys were found to vary linearly with the experimental values. This indicates that the present approach is appropriate for the simulation of modulus of titanium alloys.

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Authors and Affiliations

  1. Titanium Alloy Laboratory, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang, 110015, China

    Yan Song, Rui Yang & Dong Li

  2. State Key Laboratory of Rapidly Solidified Nonequilibrium Alloys, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang, 110015, China

    Zhuangqi Hu

  3. Department of Materials/IRC in Biomaterials, Queen Mary & Westfield College, University of London, Mile End Road, London, E1 4NS, U.K

    Zhengxiao Guo

Authors
  1. Yan Song
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  2. Rui Yang
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  3. Dong Li
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  4. Zhuangqi Hu
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  5. Zhengxiao Guo
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Song, Y., Yang, R., Li, D. et al. Calculation of bulk modulus of titanium alloys by first principles electronic structure theory. Journal of Computer-Aided Materials Design 6, 355–362 (1999). https://doi.org/10.1023/A:1008762206967

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