20601 ナノカーボンを強化材としたハイドロキシアパタイト複合材料の製造と評価(OS9 バイオエンジニアリング)

概要

論文の詳細を見る
Low fracture toughness of a hydroxyapatite (HA) ceramics is a serious drawback when it is used as bone filling material. In this study, we selected fibrous nano-carbon materials with high biocompatibility as reinforcements. 0.5vol% Carbon nano-tube (CNT)/HA and 0.5vol% vapor growth carbon fiber (VGCF)/HA has same fracture toughness with HA. In addition, bending strength of CNT/HA and VGCF/HA are lower than HA. Each material formed bone-like apatite on their surface when they were soaked in the simulated body fluid (SBF). For 3 days the surface of them completely covered with apatite. Bending strength of HA soaked for 4 weeks in the SBF were lower than that soaked 1 week in the SBF and lower than human bone.
社団法人日本機械学会の論文
2005-03-17