Plasma spraying induced changes of calcium phosphate ceramic characteristics and the effect on in vitro stability
作者： S. R. Radin , P. Ducheyne
DOI: 10.1007/BF00702942
关键词: Calcium 、 Particle 、 Specific surface area 、 Plasma 、 Phase (matter) 、 Crystal structure 、 Metallurgy 、 Chemical engineering 、 Dissolution 、 Ceramic 、 Materials science
摘要: Plasma spraying is a commonly used technique to apply thin calcium phosphate ceramic coatings. Special consideration given retaining the original structure of CPC particles. However, changes are possible. Thus this study focused on plasma induced in material characteristics commercial coatings and their influence onin vitro dissolution. All analysed were found undergo significant phase composition, crystal structure, specific surface area. The transformations depended starting particle characteristics. Specifically, β-TCP transformed α-TCP. HA was dehydroxylated oxyhydroxyapatite (OHA), partly decomposed α-TCP tetra phosphate. These lead considerable increase ofin dissolution rates at physiological pH.
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