Modelling strengthening mechanisms in beta-type Ti alloys

Zhao, G.-H. and Liang, X.Z. and Kim, B. and Rivera-Díaz-del-Castillo, P.E.J. (2019) Modelling strengthening mechanisms in beta-type Ti alloys. Materials Science and Engineering: A, 756. pp. 156-160. ISSN 0921-5093

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Abstract

An integral modelling approach for understanding the strengthening mechanisms in Ti alloys is presented and applied to alloys undergoing deformation via dislocation slip. The model incorporates contributions from solid solution, grain boundary, dislocation forest and strain hardening. The metal forming and thermomechanical processing factors influence both grain size and the stored strain energy. The strain hardening of Ti-Fe-Sn-Nb alloys was modelled by considering dislocation accumulation and annihilation terms. By tailoring the contribution of each strengthening effect, the yield stress and plasticity of advanced Ti alloys can be optimised.

Item Type:
Journal Article
Journal or Publication Title:
Materials Science and Engineering: A
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3104
Subjects:
ID Code:
133341
Deposited By:
Deposited On:
03 May 2019 13:20
Refereed?:
Yes
Published?:
Published
Last Modified:
23 Sep 2020 05:15