| Issue |
MATEC Web Conf.
Volume 321, 2020
The 14th World Conference on Titanium (Ti 2019)
|
|
|---|---|---|
| Article Number | 12021 | |
| Number of page(s) | 6 | |
| Section | Microstructure Evolution | |
| DOI | https://doi.org/10.1051/matecconf/202032112021 | |
| Published online | 12 October 2020 | |
Microstructure-twinning relations in beta-Ti alloys
1 National Institute for Materials Science, Sengen 1-2-1, Tsukuba, Ibaraki, 305-0047, Japan
2 Graduate School of Pure and Applied Sciences, University of Tsukuba, Ibaraki 305-0047, Japan
a gutierrezurrutia.ivan@nims.go.jp
b ji.xin@nims.go.jp
c emura.satoshi@nims.go.jp
c tsuchiya.koichi@nims.go.jp
We have investigated twinning-microstructure relations in β-Ti alloys by statistical analysis of the evolving twin structure upon deformation by in-situ SEM testing and electron backscattering diffraction (EBSD). In particular, we have analyzed the effects of crystallographic orientation, grain size and chemical gradient structure on the nucleation and propagation behavior of {332}<113> twins in a β-Ti-15 Mo (wt.%) alloy and a multilayered β-Ti-10Mo-xFe (x: 1-3 wt.%). Microstructural parameters such as number of twins per grain and number of twins per grain boundary area were statistically analyzed.
© The Authors, published by EDP Sciences, 2020
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