| About this Abstract |
| Meeting |
2022 TMS Annual Meeting & Exhibition
|
| Symposium
|
Advances in Titanium Technology
|
| Presentation Title |
Developing New Metastable Beta-titanium Alloys and Optimizing Their Properties through Heat-treatments |
| Author(s) |
Brian Welk, Nevin Taylor, Mathew Cohen, Zachary Kloenne, Hamish L. Fraser |
| On-Site Speaker (Planned) |
Hamish L. Fraser |
| Abstract Scope |
Metastable beta-titanium alloys have exhibited attractive balances of properties for structural components. In this paper, the results of research aimed at developing new metastable beta-titanium alloys are presented, and the degree to which their properties may be optimized by heat-treatment is described. Regarding the development of new alloys, two methods have been employed. The first is based on the characterization of microstructure in existing alpha/beta alloys, and the second involves dilute alloying additions to existing alpha/beta alloys. Regarding the optimization of microstructure, structural and compositional instabilities have been exploited in order to produce refined microstructures using heat-treatments that do not make use of rapid quenching from a temperature above the beta transus. Hence, these heat-treated samples exhibit refined uniform microstructures and do not possess significant residual stresses. These uniform microstructures have been produced in large scale samples to demonstrate the degree of deep hardening that can be developed. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Titanium, Characterization, Mechanical Properties |