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1990 Fiscal Year Final Research Report Summary

Synthesis of Hydroxyapatite Based Bioceramic Composite by Hot Isostatic Pressing of Filter Cake

Research Project

Project/Area Number 01550591
Research Category

Grant-in-Aid for General Scientific Research (C)

Allocation TypeSingle-year Grants
Research Field 無機工業化学
Research InstitutionNagaoka University of Technology

Principal Investigator

UEMATSU Keizo  Nagaoka Univ. Tech., Dept. Chemistry, Associate Professor, 工学部, 助教授 (00110726)

Co-Investigator(Kenkyū-buntansha) UCHIDA Nozomu  Nagaoka Univ. Tech., Dept. Chemistry, Research Associate, 工学部, 助手 (00193897)
Project Period (FY) 1989 – 1990
KeywordsBioceramics / Composite / Hydroxyapatite / Powder / Green body / hot isostatec pressing / Strength / Toughness
Research Abstract

Three approaches of processing were combined to obtain bioceramic composite with excellent properties. These approaches include ; 1. Synthesis of powder with excellent characteristics by wet chemical process, 2. Filter-cake processing for the preparation of green body with high densification activity, and 3. Application of hot isostatic pressing to achieved high density at low densification temperatures.
In the first approach, the processing of powder synthesis was examined. A novel method was proposed to individually control the powder characteristics and chemistry of the powder. In the second approach, the filter cake of the synthesized powder was hot isostatically pressed to examine the densification activity. Highly transparent ceramic was obtained, showing the high densification activity of the filter cake. In the third approach, hot isostatic pressing was successfully applied for the densification of zirconia dispersed hydroxyapatite composite. The composite with high toughness and strength was obtained at 1100^゚C, 100MPa, for 2h. The strength and toughness achieved were 190MPa and 2.3MPam^<1/2>, respectively. These values meet the requirement for biomedical application. Other results obtained in this study include ; Controlling of microstructure through the fundamental principle of hot isostatic pressing, and development of neW novel method for detailed characterization of ceramic green body.

  • Research Products

    (12 results)

All Other

All Publications (12 results)

  • [Publications] T.Honda,M.Takagi,N.Uchida,K.Saito and K.Uematsu: "PostーComposition Control of Hydroxyapatite in an Aqueous Medium" Journal of Materials Science:Materials in Medicine. 1. 114-117 (1990)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] K.Uematsu,M.Takagi,T.Honda,N.Uchida and K.Saito: "Transparent Hydroxyapatite Prepared by Hot Isostatic Pressing of Filter Cake" Journal of American Ceramic Society. 72. 1476-1478 (1989)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] M.Takagi,M.Mochida,N.Uchida,K.Saito,K.Uematsu: "Filter Cake FormingーHot Isostatic Pressing for TZP Dispersed Hydroxyapatite Composite" Journal of Materials Science:Materials in Medicine.

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] K.Uematsu,K.Itakura,N.Uchida,and K.Saito: "Hot Isostatic Pressing of Alumina and Examination of the Hot Isostatic Pressing Map" Journal of American Ceramic Society. 73. 74-785 (1990)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 植松敬三、金 鎭映、加藤善二、内田 希、斎藤勝一: "セラミックス成形体の内部構造の直接観察法ーアルミナ成形体を例として" 日本セラミックス協会学術論文誌. 98. 515-516 (1990)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] K.Uematsu,J.ーY.Kim,M.Miyashita,N.Uchida,K.Saito: "Direct Observation of Internal Structure in Spray Dried Alumina Granules" Journal of American Ceramic Society. 73. 2555-2557 (1990)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] HONDA, T. TAKAGI, M. UCHIDA, N. SAITO, K. UEMATSU, K.: ""Post-Composition Control of Hydroxyapatite in an Aqueous medium"" J. Mater. Sci. : Materials in Medicine. 1. 114-7 (1990)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] UEMATSU, K. TAKAGI, M. HONDA, T. UCHIDA, N. SAITO, K.: ""Transparent Hydroxyapatite Prepared by Hot Isostatic Pressing of Filter Cake" J. Am. Ceram. Soc.72,. 1476-78 (1989)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] TAKAGI, M. MOCHIDA, M. UCHIDA, N. SAITO, K. UEMATSU, K.: ""Filter Cake Forming - Hot Isostatic Pressing for TZP Dispersed Hydroxyapatite Composite" J. Mater. Sci. : Materials in Medicine.

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] UEMATSU, K. ITAKURA, K. UCHIDA, N. and SAITO, K.: ""Hot Isostatic Pressing and Examination of the Hot Isostatic Pressing Map" J. Am. Ceram. Soc.73,. 74-78 (1990)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] UEMATSU, K. KIM. J. -Y. KATO, Z. UCHIDA, N. SAITO, K.: ""Direct Observation Method for Internal Structure of Ceramic Green Body" Nippon Seramikkusus Kyokai Gakujutu Rongunnshi. 98,. 515-6 (1990)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] UEMATSU, K. KIM, J. -Y. MIYASHITA, M. UCHIDA, N and SAITO, K.: ""Direct Observation of Internal Structure in Spray Dried Alumina Granules" J. Am. Ceram. Soc.73,. 2555-57 (1990)

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 1993-08-12  

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