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

Conference paper (2021)

Authors

Igor Polozov St. Petersburg Polytechnic University
Artem Kantyukov St. Petersburg Polytechnic University
Kirill Starikov St. Petersburg Polytechnic University
Anna Gracheva St. Petersburg Polytechnic University
V. Popovich Team Vera Popovich - Mechanical, Maritime and Materials Engineering
Anatoly Popovich St. Petersburg Polytechnic University
Research Group
Team Vera Popovich (Mechanical, Maritime and Materials Engineering) (TU Delft)
Copyright: © 2021 Igor Polozov, Artem Kantyukov, Kirill Starikov, Anna Gracheva, V. Popovich, Anatoly Popovich
DOI: https://doi.org/10.37904/metal.2021.4076
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Published Date

2021

Language

English

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Faculty

Mechanical, Maritime and Materials Engineering

Department

Materials Science and Engineering

Research Group

Team Vera Popovich

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.

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