MA-SPSプロセスで作製したチタン–ハイドロキシアパタイト複合材料の特性

書誌事項

タイトル別名
  • Properties of titanium-hydroxyapatite composite materials fabricated <i>via</i> mechanical alloying and spark plasma sintering process
  • MA SPS プロセス デ サクセイ シタ チタン ハイドロキシアパタイト フクゴウ ザイリョウ ノ トクセイ

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抄録

Ti-x HAp (x=0, 10, 20 and 30 mass%) composite powders were synthesised by mechanical alloying (MA) using a vibrational ball mill, and MAed composite powders were consolidated into bulk composite materials by spark plasma sintering (SPS). The hardness and constituent phase of the MAed powder and SPS materials were investigated by hardness measurements and X-ray diffraction (XRD) , respectively. Mean particle size of the MAed powders and microstructure of the SPSed materials were characterised by scanning electron microscopy (SEM) and optical microscopy, respectively. No decomposition of HAp in the MAed Ti-10 and 20 HAp composite powders occurred. However, decomposition of HAp in the MAed Ti-30 HAp composite powders occurred to form both CaO and CaTiO3. Formation of both TiC and CaO was observed in the all SPSed materials. In addition, formation of both CaO and CaTiO3 was also observed in the Ti-30 HAp SPSed materials. The hardness of the SPSed materials increased by both an increase in the amount of HAp and in the MA time. The results thus imply that the Ti-HAp composite materials exhibiting the high hardness can be obtained by a controlling of the amount of HAp powder and MA time.

収録刊行物

  • 軽金属

    軽金属 61 (5), 192-198, 2011

    一般社団法人 軽金属学会

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