4.7 Article

A study of low Young's modulus Ti-Nb-Zr alloys using d electrons alloy theory

Journal

SCRIPTA MATERIALIA
Volume 67, Issue 1, Pages 57-60

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2012.03.020

Keywords

Titanium alloys; Elastic behavior; d electrons alloy theory; X-ray diffraction; Tension test

Funding

  1. State Key Laboratory of Advanced Metals and Materials of the University of Science and Technology Beijing
  2. Natural Science Foundation of China [21171018]

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Six kinds of alloys in Ti-Nb-Zr alloy system were designed using d electrons alloy theory, and the relations between their Young's modulus and electron parameters were investigated. The results show that the Young's moduli of the designed alloys are low, with a minimum of 38.8 GPa. A formula was proposed to represent the interatomic bonding force of these alloys, which showed good agreement with the Young's modulus. Low Young's modulus beta-Ti alloys can be designed by evaluating their interatomic bonding force. Crown Copyright (C) 2012 Published by Elsevier Ltd. on behalf of Acta Materialia Inc. All rights reserved.

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