Fabrication of βtcp with fully-interconnected porous structure

Taro Nikaido, Kanji Tsuru, Fumikazu Daitou, Melvin Munar, Shigeki Matsuya, Seiji Nakamura, Kunio Ishikawa

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

抄録

Calcium phosphate foam could be an ideal bone filler and scaffold for tissue engineering. This paper describes fabrication method of β-tricalcium phosphate (βTCP) foam with fully-interconnected porous structure by employing magnesium oxide (MgO) as βTCP stabilizer. The foam was prepared using the so-called ceramics foam method. MgO was added to calcium carbonate and dicalcium phosphate dihydrate so that 0, 1, 2, 3, 4, 6 and 8 mol% calcium would be substituted by magnesium (Mg) in βTCP structure. After sintering at 1500°C, crystal phase of the obtained foam included β-tricalcium phosphate (αTCP) when no Mg or less than 3 mol% Mg was added. In contrast, crystal phase was single phase βTCP when 3 mol% or higher Mg was added. The compressive strength was approximately 15 kPa and the porosity was above 95% for all specimens. No significant difference was observed between αTCP and βTCP foams in compressive strength and porosity when the sintering temperature was the same.

本文言語英語
ホスト出版物のタイトルBioceramics 23
ページ135-138
ページ数4
DOI
出版ステータス出版済み - 1 1 2012
イベント23rd Symposium and Annual Meeting of International Society for Ceramics in Medicine, ISCM 2011 - Istanbul, トルコ
継続期間: 11 6 201111 9 2011

出版物シリーズ

名前Key Engineering Materials
493-494
ISSN(印刷版)1013-9826

その他

その他23rd Symposium and Annual Meeting of International Society for Ceramics in Medicine, ISCM 2011
Countryトルコ
CityIstanbul
Period11/6/1111/9/11

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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