抄録
The hydroxyapatite (HAp) hardening bodies were synthesized and their bending strength, microstructures, XRD patterns, were studied. HAp hardening bodies were prepared by hydration, using α -Ca3(PO4)2 (α-TCP) and several additives which were some polymer and monomer materials. Polymerization (18 hours at 40°C) and hydration(5 hours at 80°C) were carried out sequentially. The bodies with acrylamide monomer (AAm) were showed 20Mpa by wet bending strength. This strength is seven times higher than without additive samples. The relation between fracture surface and bending strength were discussed using SEM micrographs. The no additive body was like-board structure, and on the other hand, AAm additive body was like-needle structure. XRD patterns of the bodies were showed the presence of HAp phase clearly.
