Aluminium Alloy-Based Metal Matrix Composites: A Potential Material for Wear Resistant Applications

Table 1

Conditions and hardness of alloys and composites tested for sliding wear behaviour.

Sample	Condition	Hardness (HB)
2014 Alloy system
Alloy	As cast	86.6 ± 6
Alloy	Aged at 210°C for 3 hours	114.2 ± 4
Alloy	Aged at 240°C for 3 hours	109.4 ± 3
Composite	As cast	83.4 ± 2
Composite	Aged at 180°C for 3 hours	124.2 ± 7
7075 Alloy system
Alloy	As cast	96.6 ± 3
Alloy	T6 ageing condition	137.6 ± 4
Alloy	Retrogressed and reaged	71.0 ± 3
Composite	As cast	101.2 ± 4
Composite	T6 ageing condition	99.2 ± 3
Composite	Retrogressed and reaged	72.1 ± 3