Study of the mechanical properties of Ti₂AlC after thermal shock

Adamaki, V. and Minster, T. and Thomas, T. and Fourlaris, G. and Bowen, C.R. (2016) Study of the mechanical properties of Ti₂AlC after thermal shock. Materials Science and Engineering: A, 667. pp. 9-15. ISSN 0921-5093

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Abstract

The ternary carbides and nitrides, known as MAX phases combine the attractive properties of both ceramics and metals; for example the Ti2AlC ceramics examined in this work have attracted attention for aerospace applications. In the current work Ti2AlC ceramics were subjected to high level thermal shock (ΔT=1100 °C) from a temperature of 1200 °C with a cooling rate of more than 90 °C/sec. After the thermal shock process the mechanical properties and the microstructure were investigated. Combined thermal shock and mechanical loading with an applied stress of 0, 50, 100 and 150 MPa was examined and in all cases the samples maintained their microstructure without any micro-cracks or phase change as observed. Compression testing of all samples to failure indicated that their mechanical properties did not show any deterioration in the testing range examined. Such ceramic materials therefore show potential for high temperature and high load applications

Item Type: Article
Uncontrolled Keywords: MAX phases, Mechanical properties, Thermal shock
Subjects: H300 Mechanical Engineering
Divisions: REF UoA Output Collections > REF 2021 UoA12: Engineering
Depositing User: Euan Scott
Date Deposited: 28 Jan 2019 10:12
Last Modified: 28 Jan 2019 10:12
URI: http://www.open-access.bcu.ac.uk/id/eprint/6943

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