Biocompatibility of dense hydroxyapatite prepared using an SPS process
作者： A. Nakahira , M. Tamai , H. Aritani , S. Nakamura , K. Yamashita
DOI: 10.1002/JBM.10344
关键词: Matrix (chemical analysis) 、 Chemical engineering 、 Grain boundary 、 Spark plasma sintering 、 Simulated body fluid 、 Ion 、 Plasma 、 Composite material 、 Materials science 、 Poling 、 Biocompatibility
摘要: In the present study, preparation of dense hydroxyapatite (HAp) materials at relative low tempera- tures using a spark plasma sintering was carried out. The bioactivity HAp samples prepared by method investigated in vitro tests and com- pared with obtained conventional hot-pressing method. No growth bone-like crystals on surface sintered 1200°C observed after immersion simulated body fluid (SBF) for 2 days. However, many large were pre- days SBF test. Especially, negatively charged sin- tering covered larger compared positively surface. electric poling measured thermally current tech- nique. This rapid made believed to be related OHand/or Ca + ion deficiency grain boundaries matrix grains as well small effect resulting during process. © 2002 Wiley Periodicals, Inc. J Biomed Mater Res 62: 550-557,
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