| Issue |
MATEC Web Conf.
Volume 321, 2020
The 14th World Conference on Titanium (Ti 2019)
|
|
|---|---|---|
| Article Number | 11070 | |
| Number of page(s) | 11 | |
| Section | Microstructure - Properties Relationships | |
| DOI | https://doi.org/10.1051/matecconf/202032111070 | |
| Published online | 12 October 2020 | |
TRIP Titanium Alloy Design
a Department of Materials Science and Engineering, Northwestern University, Evanston, IL, USA
b Thermo-Calc Software AB, Solna, Sweden
Building on successful development experience of transformation induced plasticity (TRIP) steels, an analogous concept was taken to design high performance titanium alloys. This article describes a computational design framework of novel near-α TRIP titanium alloys with both high yield strength and fracture toughness for naval structural applications using a systems design approach integrating processing/structure/properties/performance relations. Predictive models including a transformation stability model based on Olson-Cohen heterogeneous martensite nucleation theory for titanium alloys was proposed. Integration of the models with CALPHAD software and databases enables parametric design optimization to meet design objectives. The developed models were calibrated with experimental measurements.
© The Authors, published by EDP Sciences, 2020
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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