Mechanical property of bioactive polyethylene-titania composite prepared by hot pressing

被引：6

作者：

Takadama, H

Hashimoto, M

Takigawa, Y

Mizuno, M

Yasutomi, Y

Kokubo, T

机构：

[1] Japan Fine Ceram Ctr, Mat Res & Dev Lab, Atsuta Ku, Nagoya, Aichi 4568587, Japan

[2] Kyoto Univ, Grad Sch Engn, Sakyo Ku, Kyoto 6068501, Japan

来源：

BIOCERAMICS 15 | 2003年 / 240-2卷

关键词：

titania (anatase); ultra-high molecular weight polyethylene (UHMWPE); composite; apatite; simulated body fluid (SBF);

D O I：

10.4028/www.scientific.net/KEM.240-242.951

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

It has been reported that Ti-OH groups in a titania gel with an anatase structure are remarkably effective in inducing apatite formation. From these findings, bioactive polyethylene-titania (PE/TiO2) composites were prepared by hot pressing powders of titanium oxide with an anatase structure and ultra-high molecular weight polyethylene. In the present study, the effects of mixing, pressure and temperature during hot pressing on the mechanical property of the composites were investigated. It was found that their bending strength increased with increasing pressure and temperature and that Young's Modulus increased with increasing pressure. It was found that these composites can bend more than 6 mm without any cracks. These bioactive materials are considered to be useful as bone-repairing materials.

引用

页码：951 / 954

页数：4