MATEC Web Conf.
Volume 321, 2020The 14th World Conference on Titanium (Ti 2019)
|Number of page(s)||6|
|Section||Extraction and Powder Production|
|Published online||12 October 2020|
Investigation of α-Ti plastic anisotropy under thermomechanical loadings: temperature influence on deformation mechanisms
1 Institut de Recherche en Génie Civil et Mécanique, GeM (UMR CNRS 6183), Université de Nantes, 58, rue Michel Ange BP 420, 44606 Saint-Nazaire Cedex, France
2 ISIS Neutron and Muon Source, Science and Technology Facilities Council, Rutherford Appleton Laboratory, Didcot, OX11 0QX, United Kingdom
* corresponding author: firstname.lastname@example.org
In situ neutron diffraction method has been used to investigate deformation mechanisms (slip and twinning deformation modes) during uniaxial tensile tests of extruded a-titanium alloy at room temperature, 100 and 300 °C. For this purpose, the prediction of an Elasto-Plastic Self-Consistent (EPSC) model was compared with the experimental data. Results show that there is a good agreement between the simulations and neutron diffraction measurements. The EPSC model enables realistic predictions of not only the elastic lattice strains developed in variously oriented grain families but also the macroscopic stress-strain response within the bulk material.
© 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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