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

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 β-Ti alloys can be designed by evaluating their interatomic bonding force.

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