Determination factors of bone-like apatite growth on poled HAp ceramics

Abstract

HAp powder was synthesized using calcium nitrate tetrahydrade and ammonium dihydrogenphosphate by precipitation method. The crystal growth of bone-like apatite was accelerated on N-surface for electrovectorial effect. N-surface attracted calcium ion whereas P-surface repulsed calcium ion by electorovectorial effect. The crystal growth on the polarized treatment at 300°C of P-surface for 5days was turned slowly.