In:
Journal of Composite Materials, SAGE Publications, Vol. 41, No. 14 ( 2007-07), p. 1743-1772
Kurzfassung:
This paper presents an experimental and numerical investigation on the effects of stitching distribution on the interlaminar fracture toughness of carbon fiber reinforced polymers (CFRPs) using an end notch flexure (ENF) specimen. To avoid premature failure in bending, reinforcing tabs were bonded to either side of the ENF specimens to create a tabbed ENF (TENF) specimen. The effect of stitch distribution on mode II delamination toughness is investigated by considering several stitch distribution patterns. The experimental results indicate that the mode II delamination toughness of stitched TENF specimens can be effectively measured and that stitch distribution does not play a significant role in improving the steady-state mode II delamination toughness of stitched CFRPs. Numerical results are also obtained using both MSC/NASTRAN and an in-house software for the tested specimens. A reasonable correlation exists between the numerical and experimental results.
Materialart:
Online-Ressource
ISSN:
0021-9983
,
1530-793X
DOI:
10.1177/0021998306069890
Sprache:
Englisch
Verlag:
SAGE Publications
Publikationsdatum:
2007
ZDB Id:
160490-9
ZDB Id:
2081924-9