In this work, Ti/Al–Cr–Fe metal matrix composites were fabricated with Ti as matrix and Al–Cr–Fe quasicrystal approximants as reinforcements using spark plasma sintering. In all samples a Ti3Al ring forms around each Al–Cr–Fe particle as a bonding layer between Ti and Al–Cr–Fe particles. In the sample sintered with a holding time of 5 min, there are only TiAl regions present at the Ti3Al/Al–Cr–Fe interface. However, in the samples sintered with a holding time of 10, 15 or 20 min, TiAl, Ti(Al,Cr)2 and L12 regions were detected at the Ti3Al/Al–Cr–Fe interface. The addition of Al–Cr–Fe particles into the Ti matrix was found to improve the mircrohardness to 460 HV and increase the wear resistance by more than 50.
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