[Retracted] Optimizing the Parameters of Zirconium Carbide and Rice Husk Ash Reinforced with AA 2618 Composites

Table 4

Impact on the hardness.

S. no.	ZrC (wt%)	Rice husk ash (wt%)	Total reinforcement (wt%)	Hardness (HV)
1	0	0	0	71 ± 4
2	5	5	10	106 ± 3
3	10	10	20	122 ± 5