EFFECTS OF SIC ADDITION ON MICROSTRUCTURE AND MECHANICAL PROPERTIES OF TITANIUM ALUMINIDE ALLOY PRODUCED BY SELECTIVE LASER MELTING

1 POLOZOV Igor
Co-authors:
1 SUFIIAROV Vadim 1 KANTYUKOV Artem 1 POPOVICH Anatoly
Institution:
1 Peter the Great St. Petersburg Polytechnic University, St. Petersburg, Russia, polozov_ia@spbstu.ru
Conference:
30th Anniversary International Conference on Metallurgy and Materials, Brno, Czech Republic, EU, May 26 - 28, 2021
Proceedings:
Proceedings 30th Anniversary International Conference on Metallurgy and Materials
Pages:
953-957
ISBN:
978-80-87294-99-4
ISSN:
2694-9296
Published:
15th September 2021
Proceedings of the conference have already been published in Scopus and we are waiting for evaluation and potential indexing in Web of Science.
Metrics:
397 views / 198 downloads
Abstract

Ti2AlNb-based titanium matrix composites reinforced by silicon carbide particles/fibers have received great attention for light-weight aero-space applications at high service temperatures since titanium orthorhombic alloys demonstrate an attractive combination of mechanical properties, low density, and are suitable for matrix materials. Additive Manufacturing is a promising way of producing SiC/Ti2AlNb composites because it offers a possibility to produce parts with ahigh degree of design-freedom and good mechanical properties. In this work, Ti2AlNb-based alloy powder was blended with SiC whiskers and used in Selective Laser Melting process to produce bulk samples. Microstructure, phase composition, and microhardness of the obtained alloys were investigated with regards to SiC whiskers volume fraction.

Keywords: Selective laser melting, additive manufacturing, Ti-22Al-25Nb, silicon carbide

© This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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