Microwave Plasma Sintering of Porous HA/β-TCP Biphasic Bioceramics

Abstract

Abstract: Aimed at solving the problems on sintering of Ca-P bioceramics by using a conventional furnace, such as high
sintering temperature, long holding time, large grain size and the difficulty to enhance the bioactive and the mechanical strength simultaneously,
porous HA/β-TCP biphasic bioceramics were prepared by using a microwave plasma method. The properties of specimens were compared to those of specimens
sintered by a conventional furnace. The comparison shows that plasma sintered specimens exhibit a higher linear shrinkage and densification
rate, smaller grain size and higher compressive strength. After incubating in SBF, the amount of bone-like apatite formed on the specimens sintered
by microwave plasma is more than that of specimens sintered by a conventional furnace. The results indicate that porous HA/β-TCP
biphasic bioceramics sintered by microwave plasma have better mechanical properties and also may have better biological properties.

Key words: porous HA/β-TCP biphasic bioceramic, microwave plasma, sintering

CLC Number:

R318
O53

JI Jin-Gou,RAN Jun-Guo,GOU Li,WANG Fang-Hu,SUN Lu-Wei. Microwave Plasma Sintering of Porous HA/β-TCP Biphasic Bioceramics[J]. Journal of Inorganic Materials.

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Microwave Plasma Sintering of Porous HA/β-TCP Biphasic Bioceramics

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