Plasma-sprayed hydroxyapatite coating: effect of different calcium phosphate ceramics
作者： D. M. Liu , H. M. Chou , J. D. Wu
DOI: 10.1007/BF00053335
关键词: Ceramic 、 Calcium 、 Materials science 、 Simulated body fluid 、 Metallurgy 、 Phase (matter) 、 Impurity 、 Tetracalcium phosphate 、 Chemical engineering 、 Substrate (chemistry) 、 Coating 、 Biophysics 、 Bioengineering 、 Biomaterials 、 Biomedical engineering
摘要: Three kinds of calcium phosphate ceramic powders, namely commercial hydroxyapatite (CHA), self-made (SMHA) and synthesized (SHA), are employed as starting materials for plasma-sprayed coating onto a stainless steel (316L) substrate. Results show mixture (HA), tricalcium (TCP), tetracalcium (TeCP) phases appearing in the CHA SHA-derived coatings primary HA with trace contents resulting SMHA-derived coating. The appears to be only observable crystalline phase present after 7 days incubation simulated body fluid (SBF); however, part impurities, i.e. TCP TeCP, remain other coatings. No apparent microcracks can found on coated surfaces when SMHA SHA used. poor packing density reflects its weakness bonding strength substrate surface compared that obtained using powders. morphology was alter significantly sufficient period incubation.
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