Microstructural evolution and wear mechanism of Ti3AlC2 – Ti2AlC dual MAX phase composite consolidated by spark plasma sintering (SPS)

Carl Magnus, Daniel Cooper, Joanne Sharp, William M. Rainforth

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11 Citations (Scopus)

Abstract

In this work, we report the synthesis, deformation and tribological behaviour of a novel Ti3AlC2 – Ti2AlC MAX phase composite metallo-ceramic. The dual MAX phase composite was synthesized by spark plasma sintering (SPS) under a vacuum environment using Ti, Al, and C precursor powders. The layered composite deformation mechanism and tribological behaviour were studied and analyzed by SEM, TEM, and Raman spectroscopy. The transition in friction and wear as well as the operative wear mechanisms involved were further discussed. Detailed analyses of the worn surface showed that Ti3AlC2 – Ti2AlC dual MAX phase composite is intrinsically self-lubricating.

Original languageEnglish
Article number203013
Number of pages18
JournalWear
Volume438-439
Early online date23 Aug 2019
DOIs
Publication statusPublished - 15 Nov 2019
Externally publishedYes

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