Effects of heat treatment on microstructure and properties of selective laser melted titanium aluminide alloy

Igor Polozov*, Artem Kantyukov, Kirill Starikov, Anna Gracheva, Vera Popovich, Anatoly Popovich

*Corresponding author for this work

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

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Abstract

Titanium aluminide alloys are considered to be attractive materials for aerospace and automotive high-temperature applications due to their high specific strength, creep resistance, and heat resistance. However, their brittleness makes it difficult to manufacture complex-shaped components of these alloys using conventional processes making additive manufacturing a promising way to produce titanium aluminide parts. Additive manufacturing of titanium aluminide alloys involves high preheating temperatures affecting their microstructure; hence a proper heat treatment is needed to obtain desired properties. In this paper, a titanium aluminide alloy produced using Selective Laser Melting process with a high-temperature preheating was subjected to various heat treatments to study their effects on microstructure and properties of the alloy.

Original languageEnglish
Title of host publicationMETAL 2021 - 30th Anniversary International Conference on Metallurgy and Materials, Conference Proceedings
PublisherTANGER Ltd.
Pages121-126
ISBN (Electronic)9788087294994
DOIs
Publication statusPublished - 2021
Event30th International Conference on Metallurgy and Materials, METAL 2021 - Brno, Virtual, Czech Republic
Duration: 26 May 202128 May 2021

Conference

Conference30th International Conference on Metallurgy and Materials, METAL 2021
Country/TerritoryCzech Republic
CityBrno, Virtual
Period26/05/2128/05/21

Keywords

  • Additive manufacturing
  • Heat treatment
  • Selective laser melting
  • Titanium aluminide

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