Dynamic mechanical characterization of hydroxyapatite reinforced polyethylene: effect of particle size

被引：52

作者：

Nazhat, SN ^{[1
]}

Joseph, R ^{[1
]}

Wang, M ^{[1
]}

Smith, R ^{[1
]}

Tanner, KE ^{[1
]}

Bonfield, W ^{[1
]}

机构：

[1] Univ London Queen Mary & Westfield Coll, IRC Biomed Mat, London E1 4NS, England

来源：

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN MEDICINE | 2000年 / 11卷 / 10期

基金：

英国工程与自然科学研究理事会;

关键词：

D O I：

10.1023/A:1008957729512

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

Dynamic mechanical analysis (DMA) was used to characterize biomedical composites consisting of synthetic hydroxyapatite (HA) particulate reinforced polyethylene (PE). The effects of the HA volume fraction, temperature and HA particle on the storage modulus (E-I) and damping (tan delta) were investigated. Increasing HA volume fractions increased E-I and decreased tan delta. E-I was found to be linearly related to the Young's modulus values obtained from quasi-static tensile tests. Relative modulus and damping studies showed that the viscoelastic behavior of unfilled PE was different to that of the filled matrix due to the presence of thermally induced tensile stresses in the matrix at the filler-matrix interface. (C) 2000 Kluwer Academic Publishers.

引用

页码：621 / 628

页数：8

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