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首页> 外文期刊>Journal of porous materials >Effect of hydroxyapatite and tricalcium phosphate addition on protein foaming-consolidation porous alumina
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Effect of hydroxyapatite and tricalcium phosphate addition on protein foaming-consolidation porous alumina

机译：羟基磷灰石和磷酸三钙的添加对蛋白质发泡固结多孔氧化铝的影响

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摘要

Porous alumina-hydroxyapatite (HA) and alu-mina-tricalcium phosphate (TCP) composites have been fabricated to investigate the effect of HA and β-TCP addition on protein foaming-consolidation derived porous alumina. HA and β-TCP loadings along with yolk content, starch content, and sintering temperature were varied to modulate performance of the porous composites. The rheological behavior of slurry shifted from pseudoplastic flow to a Newtonian fluid with increasing yolk concentration. The foaming capacity of slurry increased with yolk addition. The addition of starch into slurry resulted in bigger pore size and avoided the porous bodies from cracks. The shrinkage of sintered bodies increased with increasing HA loading, but decreased with increasing β-TCP loading. The compressive strength of porous alu-mina-HA body was found 2.9 MPa at 45.8% porosity and 20.4 MPa at 36.8% porosity. The increasing porosity of porous alumina-TCP body from 56.1 to 61.6% improved the compressive strength from 3.1 to 4.2 MPa. Increasing sintering temperature resulted in large grain size among powder particles, thus improving the compressive strength of porous bodies. Preliminary results of DF-1 cells culture on the surface of porous alumina and alumina-TCP samples are also reported.
机译：制备了多孔氧化铝-羟基磷灰石（HA）和氧化铝-磷酸三钙（TCP）复合材料，以研究HA和β-TCP添加对蛋白质发泡固结衍生的多孔氧化铝的影响。 HA和β-TCP的负载量以及蛋黄含量，淀粉含量和烧结温度均发生变化，以调节多孔复合材料的性能。随着蛋黄浓度的增加，浆料的流变行为从假塑性流向牛顿流体转移。浆料的发泡能力随着蛋黄的添加而增加。将淀粉添加到浆料中导致更大的孔径并避免了多孔体开裂。烧结体的收缩率随HA载荷的增加而增加，但随β-TCP载荷的增加而减小。发现多孔铝-HA混合物的抗压强度在孔隙率为45.8％时为2.9MPa，在孔隙率为36.8％时为20.4MPa。多孔氧化铝-TCP本体的孔隙率从56.1增加到61.6％，将抗压强度从3.1MPa增加到4.2MPa。烧结温度的升高导致粉末颗粒之间的晶粒大，从而提高了多孔体的抗压强度。还报道了在多孔氧化铝和氧化铝-TCP样品表面上培养DF-1细胞的初步结果。

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  • 来源
    《Journal of porous materials》 |2012年第5期|p.733-743|共11页
  • 作者

    Iis Sopyan; Ahmad Fadli; Maizirwan Mel;

  • 作者单位

    Department of Manufacturing and Materials Engineering, Faculty of Engineering, International Islamic University Malaysia (HUM), 50728 Kuala Lumpur, Malaysia;

    Department of Manufacturing and Materials Engineering, Faculty of Engineering, International Islamic University Malaysia (HUM), 50728 Kuala Lumpur, Malaysia,Department of Chemical Engineering, Faculty of Engineering, Riau University, 28293 Pekanbaru, Indonesia;

    Department of Biotechnology Engineering, Faculty of Engineering, International Islamic University Malaysia (HUM), 50728 Kuala Lumpur, Malaysia;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    porous ceramic composite; alumina; hydroxyapatite; β-tricalcium phosphate; protein foaming-consolidation; DF-1 cells;

    机译：多孔陶瓷复合材料氧化铝羟基磷灰石β-磷酸三钙;蛋白质发泡固结;DF-1细胞;

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