Table 1: Different volume fraction of HA whiskers and inorganic filler in resin based composite formulation.

CODEHA density g∖cm3Silica density g∖cm3% Vol HA (%wt)% Vol Silica (%wt)HA∖Silica Vol ratio% Vol resin

HA-03.12.40.0% (0.0%)30.0% (46.2%)0.0%30.0%
HA-203.12.46.0% (11.6%)24.0% (36%)20.0%30.0%
HA-403.12.412.0% (22.6%)18.0% (26.3%)40.0%30.0%
HA-603.12.418.0% (33.1%)12.0% (17.1%)60.0%30.0%
HA-803.12.424.0% (43.1%)6.0% (8.3%)80.0%30.0%
HA-1003.12.430.0% (52.5%)0.0% (0.0%)100.0%70.0%