Authors

Citation

T. Tanaka et al., DAMAGE PROGRESSION AND FAILURE OF GLASS FABRIC COMPOSITES SUBJECTED TO TENSION TENSION AND TENSION/SHEAR COMBINED STRESSES/, Journal of thermoplastic composite materials, 11(1), 1998, pp. 82-96

Citations number

5

Language

INGLESE

art.tipo

Article

Categorie Soggetti

Materials Sciences, Composites

Journal title

ISSN journal

0892-7057

Volume

11

Issue

1

Year of publication

1998

Pages

82 - 96

Database

ISI

SICI code

0892-7057(1998)11:1<82:DPAFOG>2.0.ZU;2-V

Abstract

Damage progression and final failure of plain woven glass-fabric-reinf
orced composites subjected to tension/tension (or compression/tension
and tension/shear combined stresses) were studied. Normal stresses (si
gma(1) and sigma(2)) were applied to tubular specimens parallel to the
material axes as well as shear stress (tau(12)). At tension/shear com
bined stress state, the S-S relation up to failure was strongly affect
ed by the biaxial stress ratio, alpha (=sigma(1)/tau(12)). However, in
the tension/tension combined stress state, the S-S relation was not s
trongly affected by the alternative biaxial stress ratio, beta (=sigma
(1)/sigma(2)), although the stress combination at final failure change
s with respect to beta. The S-S curve under tension/tension combined s
tress is represented by two straight lines that intersect each other a
t the knee point. The Tsai-Wu failure criterion fits well the experime
ntal failure envelope under tension/shear combined stress, while the m
aximum stress theory fits better than the Tsai-Wu failure criterion un
der tension/tension (and compression/tension) combined stress, The ini
tial yield stress condition under tension/tension combined stress was
represented by a square that was based on the knee stresses at beta =
1/0 and 0/1. Internal damage and its accumulation do not affect the bi
axial strength under tension/tension and tension/shear combined stress
es.