THERMAL-DIFFUSIVITY OF FIBER-REINFORCED COMPOSITES USING THE LASER FLASH TECHNIQUE

被引：19

作者：

TAYLOR, RE

JORTNER, J

GROOT, H

机构：

[1] Purdue Univ, Thermophysical, Properties Research Lab, West, Lafayette, IN, USA, Purdue Univ, Thermophysical Properties Research Lab, West Lafayette, IN, USA

来源：

CARBON | 1985年 / 23卷 / 02期

关键词：

LASER BEAMS - Applications - THERMAL DIFFUSION - Solids;

D O I：

10.1016/0008-6223(85)90014-4

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The applicability of the flash technique for measuring thermal diffusivity of fiber-reinforced composites has been examined. While the usefulness of this technique has been demonstrated previously for randomly dispersed composites and for layered structures, problems arise from preferential heat paths in fibrous-reinforced composites. For these materials the concept of diffusivity must be expanded to include dependencies upon sample thickness to unit cell ratios and transient times in addition to the usual constituent property ratios and temperature dependencies of properties. It is possible to obtain diffusivity data which are equivalent to steady-state properties. In addition, it is possible to determine in situ properties for the fiber and matrix and to examine defect structures.

引用

页码：215 / 222

页数：8