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The influence of superimposed normal stresses on the ILSS of laminanted C/C composites at temperatures up to 2000 deg C

 
: Thielicke, B.; Soltesz, U.; Maschke, H.-G.

Bader, M.G. ; Institute of Materials, Composite Division, London; European Association for Composite Materials -EACM-:
Realising their commercial potential. Vol. 1: High-performance polymer matrix composites, high-volume polymer matrix composites, metal matrix composites 5
London: Woodhead Publishing Ltd., 1996
ISBN: 1-85573-304-8
S.499-504
European Conference on Composite Materials (ECCM) <7, 1996, London>
Englisch
Konferenzbeitrag
Fraunhofer IWM ()
carbon; carbon composite; high temperature testing; interlaminar shear strength; superimposed compressive stress

Abstract
The interlaminar shear strength (ILSS) of composites is strongly influenced by superimposed normal stresses. In order to determine this effect quantitatively, a test procedure was developed which allows measurements of the ILSS in dependence on compressive stresses perpendicular to the laminae at temperatures up to 2000 deg C. This procedure was applied to C/C as an example. It is found that the ILSS increases with increasing superimposed compressive stresses. Additionally, with rising temperature the shear resistance increases, too.

: http://publica.fraunhofer.de/dokumente/PX-18512.html