The results show that Hardness decreases with increase in the weight ratio of RHA and graphite in the composites; and with RHA content greater than 50%, the effect of graphite on the hardness becomes less significant.
The results show that Hardnessdecreases with increase in the weight ratio of RHA and graphite in the composites; and with RHA contentgreater than 50%, the effect of graphite on the hardness becomes less significant.