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Volume 17 Issue 3
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Chinese Journal of High Pressure Physics  > 2003  >  17(3): 209-213 .
LIAO Qi-Long, YANG Shi-Yuan, CAI Ling-Cang, ZHENG Chang-Qiong. Shock-Activating and Sintering of Hydroxyapatite Agglomerate[J]. Chinese Journal of High Pressure Physics, 2003, 17(3): 209-213 . doi: 10.11858/gywlxb.2003.03.009
Citation: LIAO Qi-Long, YANG Shi-Yuan, CAI Ling-Cang, ZHENG Chang-Qiong. Shock-Activating and Sintering of Hydroxyapatite Agglomerate[J]. Chinese Journal of High Pressure Physics, 2003, 17(3): 209-213 . doi: 10.11858/gywlxb.2003.03.009
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Shock-Activating and Sintering of Hydroxyapatite Agglomerate

doi: 10.11858/gywlxb.2003.03.009
  • 1.

    School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang 621002, China;

  • 2.

    Laboratory for Shock Wave and Detonation Physics Research, Institute of Fluid Physics, CAEP, Mianyang 621900, China;

  • 3.

    College of Materials Science and Engineering, Sichuan University, Chengdu 610065, China

More Information
  • Corresponding author: LIAO Qi-Long
  • Received Date: 25 Dec 2002
  • Rev Recd Date: 12 Apr 2003
  • Publish Date: 05 Sep 2003
    Abstract
  • Hydroxyapatite (HA) is an effective material used in bone prostheses. The activating and sintering characteristics of hydroxyapatite agglomerate treated by shock wave were studied. Using XRD and SEM the grain size refinement, homogenization and lattice deformation were observed in shocked HA powders, which can promote sintering of HA ceramics. The extra energy stored in shocked powders will be released during sintering process. The temperature of maximum shrink rate of shocked sample is about 70 lower than that of unshocked one. The strength and density of HA ceramics from the shocked sample can be enhanced. HA ceramics with high strength used for artificial bone materials can be made with the shock-activating method.

     

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