Effect of precursor solubility on the mechanical strength of HAp block

Nurazreena Ahmad, Kami Tsuru, Melvin L. Munar, Shigeki Matsuya, Kunio Ishikawa

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

抄録

The effect of the solubility of the precursors, alpha tricalcium phosphate (α-TCP) and beta tricalcium phosphate (β-TCP) on the mechanical property of hydroxyapatite (HAp) bone substitute was investigated. Uniaxially pressed compacts starting from these precursors were treated hydrothermally with 1 mol/L of ammonia solution at 200°C for various durations. XRD analysis revealed that α-TCP took 3 hours whereas β-TCP took 240 hours for complete transformation to HAp. The porosity of HAp block obtained from β-TCP was found to be lower than that of HAp block from α-TCP. Diametral tensile strength of HAp block from β-TCP showed a significantly higher value than that of HAp block obtained from α-TCP. It is therefore concluded that solubility of precursor affects the mechanical strength of the HAp block.

本文言語英語
ホスト出版物のタイトルAdvances in Bioceramics and Porous Ceramics V - A Collection of Papers Presented at the 36th International Conference on Advanced Ceramics and Composites, ICACC 2012
ページ3-6
ページ数4
6
出版ステータス出版済み - 4 8 2013
イベントAdvances in Bioceramics and Porous Ceramics V - 36th International Conference on Advanced Ceramics and Composites, ICACC 2012 - Daytona Beach, FL, 米国
継続期間: 1 22 20121 27 2012

出版物シリーズ

名前Ceramic Engineering and Science Proceedings
番号6
33
ISSN(印刷版)0196-6219

その他

その他Advances in Bioceramics and Porous Ceramics V - 36th International Conference on Advanced Ceramics and Composites, ICACC 2012
Country米国
CityDaytona Beach, FL
Period1/22/121/27/12

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Materials Chemistry

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