水酸アパタイトとジルコニアの焼結により得られた複合セラミックスの機械的性質と存在相

• 玉利 信幸

  大阪工業技術試験所

• 毛利 元哉

  武田薬品工業 (株)

• 近藤 功

  大阪工業技術試験所

書誌事項

タイトル別名

• Mechanical Properties and Existing Phases of Composite Ceramics Obtained by Sintering of a Mixture of Hydroxyapatite and Zirconia
• スイサン アパタイト ト ジルコニア ノ ショウケツ ニ ヨリ エラレタ フク

抄録

Mixtures of hydroxyapatite and zirconia containing 3mol% Y₂O₃ (TZ-3 Y) or 2mol% Y₂O₃ (TZ-2 Y) were hot-pressed under the conditions of 1300°-1400°C, 10min and 20MPa, and the bending strength and fracture toughness of the hot-pressed bodies were measured. The reactivity between hydroxyapatite and zirconia was also examined. The zirconia content was up to 50vol%. The bending strength and fracture toughness increased with an increase in zirconia content. Properties were improved with zirconia (TZ-2 Y) than with zirconia (TZ-3 Y). Compacts containing 50vol% zirconia (TZ-2 Y) fired at 1400°C showed the highest mechanical properties: bending strength; about 400MPa and fracture toughnees; about 3.0MPa·m^1/2. These values were two or three times as large as those of hydroxyapatite single compacts. The following two thermal transformations were observed in the present system: (i) decomposition of hydroxyapatite to α-tricalcium phosphate and (ii) transition of tetragonal zirconia to cubic phase.

収録刊行物

• 窯業協會誌

  窯業協會誌 95 (1104), 806-809, 1987

  公益社団法人 日本セラミックス協会

キーワード

• Hydroxyapatite
• Zirconia
• Composite ceramics
• Sintering
• Mechanical properties
• Existing phases

詳細情報

• CRID: 1390001205249072000
• NII論文ID: 110002313691
• NII書誌ID: AN00245650
• DOI: 10.2109/jcersj1950.95.1104_806
• ISSN: 18842127
• ISSN: 00090255
• NDL書誌ID: 3144028
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I3144028
• Web Site: http://www.jstage.jst.go.jp/article/jcersj1950/95/1104/95_1104_806/_pdf
• 本文言語コード: ja
• データソース種別:
  • JaLC
  • NDL
  • Crossref
  • CiNii Articles
• 抄録ライセンスフラグ: 使用不可