|
|||||
|
|
Effect of Off – Axis Matrix Cracking on Stiffness of Symmetric Angle-Ply Composite Laminates |
|
| Authors: | D. G. Katerelos L. N. McCartney C. Galiotis |
| Affiliation: | (1) Foundation of Research and Technology Hellas, Institute of Chemical Engineering and High Temperature Chemical Processes, P.O. Box 1414, GR - 265 04 Patras, Greece;(2) NPL Materials Centre, National Physical Laboratory, Queens Road, Teddington, Middlesex, TW11 0LW, UK;(3) Department of Materials Science, University of Patras, Rio University Campus, GR - 265 00 |
| Abstract: | Matrix cracking models developed for cross-ply composite laminates cannot easily be applied to more complicated geometries. In this paper a detailed analysis of the effect of matrix cracking on the longitudinal Young’s Modulus of a [0/45]s plate under uniaxial tension is attempted. The theoretical approach, based on a semi-analytical generalized plane strain model, is compared to experimental data obtained by microscopic strain measurements on a fiber sensor using the technique of laser Raman Spectroscopy. The experimental results are in a good agreement with theoretical stiffness degradation predictions obtained using the semi-analytical model. |
| Keywords: | composite materials matrix cracking stiffness reduction Raman spectroscopy generalized plane strain model |
| 本文献已被 SpringerLink 等数据库收录！ | |