| Issue |
MATEC Web Conf.
Volume 321, 2020
The 14th World Conference on Titanium (Ti 2019)
|
|
|---|---|---|
| Article Number | 11063 | |
| Number of page(s) | 6 | |
| Section | Microstructure - Properties Relationships | |
| DOI | https://doi.org/10.1051/matecconf/202032111063 | |
| Published online | 12 October 2020 | |
Interactions between microstructure and fatigue crack growth in αβ titanium alloy
1 IRT Saint Exupery, B612, 3 rue Tarfaya, CS 34436, 31405 Toulouse Cedex 4, France; vincent.renon@ensma.fr (V.R.); simon.perusin@irt-saintexupery.com (S.P.)
2 INSTITUT Pprime UPR 3346 CNRS ENSMA Université de Poitiers, ISAE-ENSMA, 1 Avenue Clément Ader, 86961 Futuroscope Chasseneuil Cedex, France; patrick.villechaise@ensma.fr (P.V)
* Correspondence: gilbert.henaff@isae-ensma.fr (G.H.); celine.larignon@irt-saintexupery.com (C.L.); Tel.:+33-549498233 (G.H.); +33-561006767 (C.L.)
In a context of optimization of the crack propagation resistance properties in αβ titanium alloys, this work aim to explore interactions between microstructure and deformation at crack tip in lamellar titanium alloy, especially regarding to the differences between the two propagation regimes observed in these alloys. Analysis of crack path in these two propagation regimes will be performed with EBSD measurements at mid-thickness to characterize the crystallography contribution during propagation. This analysis indicates a strong propensity to cracking along crystallographic planes in the first propagation regime, followed by a reduction of this trend after the transition between the two regimes.
© The Authors, published by EDP Sciences, 2020
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