Characteristics of A6061/(Glass Fibre + AL₂O₃ + SiC + B₄C) Reinforced Hybrid Composite Prepared through STIR Casting

Table 4

Hardness test.

Samples with glass fibres					Samples without glass fibres
Trial no.	5% of reinforcement	Avg	4% of reinforcement	Avg	5% of reinforcement	Avg	4% of reinforcement	Avg
1	45.4	46.2	40.6	40.8	50.3	49.7	38.1	39.5
2	46.7		40.9		49.4		40.2
3	46.7		41.1		49.2		40.4