Rikako Miyamoto, Kenta Ohashi, Katsumi Yoshida, N. Matsumoto, H. Shibata, Meguro Takashi, Fukuyama Shigeo, K. Hashimoto
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EFFECT OF VANADIUM ION ADDITION ON SINTERING OF β-TRICALCIUM PHOSPHATE BY HOT PRESSING
High-density β-tricalcium phosphate (β-TCP) ceramics with a small amount of triand pentavalent vanadium ions addition (≦1.0 mol%) were successfully prepared by hot pressing. Triand pentavalent vanadium ions were substituted for a Ca ion at the Ca(5) site located in β-TCP crystal structure and for a P ion in the PO4 group, respectively. The sinterability and mechanical properties of β-TCP doped with vanadium ions (V-β-TCPV) were improved with increasing vanadium ion content. The bending and compressive strengths of V-β-TCPVs were comparable to those of the hard tissue of a living body. (Received June 15, 2012; Accepted June 20, 2012)
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