A novel in situ self foaming method for the synthesis of porous calcium metaphosphate biomaterials
RSC Advances Pub Date: 2014-11-10 DOI: 10.1039/C4RA11097H
Abstract
Porous calcium metaphosphate (CMP) ceramics were manufactured using an in situ self-foaming method. The porous CMP ceramics with different porosities and strengths, and the preparation process and the properties of the resulting material were studied. Under the conditions of a low molding pressure (≦2.0 MPa) or low heating rate (≦0.5 °C min?1), green specimens synthesized using only Ca(H2PO4)2·H2O (MCPM) or Ca(H2PO4)2 (MCPA) as raw materials can be fabricated into porous bioceramics without deformation and without pore-forming agents. In this study, MCPA specimens were molded at a pressure of 80.0 MPa and the heating rate was controlled at 0.5 °C min?1. The synthetic biomaterial showed a porosity of 38.0% and a strength of 48.0 MPa.
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Journal Name：RSC Advances
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CAS no.: 89640-58-4
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