MATEC Web Conf.
Volume 129, 2017International Conference on Modern Trends in Manufacturing Technologies and Equipment (ICMTMTE 2017)
|Number of page(s)||5|
|Section||Advanced Materials and Coatings|
|Published online||07 November 2017|
Transformation of the microstructure and properties of ultrafine-grained TiNi alloys during the processing by ECAP-conform via the isothermal regime
Ufa State Aviation Technical University, 12 K. Marx str., Ufa 450008 Russia
2 Institute of Molecule and Crystal Physics, Ufa Research Center RAS, 151 pr. Oktyabrya, Ufa 450075 Russia
3 Saint Petersburg State University, 7/9 Universitetskaya nab., St. Petersburg, 199034 Russia
* Corresponding author: firstname.lastname@example.org
This paper examines a technique for producing a TiNi alloy with an ultrafine-grained structure and enhanced mechanical characteristics. It is demonstrated that the use of the ECAP-Conform technique enables producing TiNi alloy samples with an ultimate tensile strength of up to 1300 MPa and a rather high level of ductility. Studies show that in this alloy, there forms a banded deformation microstructure with a structural element size of up to 300 nm, and during subsequent annealings there forms a grain structure with a grain size of about 200 nm.
© The Authors, published by EDP Sciences, 2017
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. (http://creativecommons.org/licenses/by/4.0/).
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