Low-temperature interlaminar shear strength of reactor irradiated glass-fibre-reinforced laminates
Identifieur interne : 001A65 ( Istex/Checkpoint ); précédent : 001A64; suivant : 001A66Low-temperature interlaminar shear strength of reactor irradiated glass-fibre-reinforced laminates
Auteurs : K. Humer [Autriche] ; S. Spie Berger [Autriche] ; H. W. Weber [Autriche] ; E. K. Tschegg [Autriche] ; H. Gerstenberg [Autriche, Allemagne]Source :
- Cryogenics [ 0011-2275 ] ; 1996.
Abstract
Glass-fibre-reinforced plastics (GFRPs) are candidate insulating materials for superconducting magnet coils in future fusion reactors. Therefore, the influence of radiation damage (gamma and fast neutrons) especially on the interlaminar shear behaviour of these materials has to be investigated carefully. Different types of GFRP laminate (two-dimensional E- or S-glass fibre reinforcements, epoxy or polyimide resins) have been irradiated at room temperature in the TRIGA reactor (Vienna, Austria) and at 5 K in the FRM Munich (Garching, Germany) up to a neutron fluence of 5 × 1022m−2 (E > 0.1 MeV) prior to short-beam-shear (SBS) testing at 77 K. After low-temperature irradiation, half of the samples were subjected to a warm-up cycle to room temperature before testing at 77 K. Results on the influence of different radiation sources, irradiation temperatures and annealing cycles as well as the boron content of some laminates on the interlaminar shear strength (ILSS) are compared and discussed, together with microstructural observations made with a scanning electron microscope.
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DOI: 10.1016/0011-2275(96)00027-6
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Therefore, the influence of radiation damage (gamma and fast neutrons) especially on the interlaminar shear behaviour of these materials has to be investigated carefully. Different types of GFRP laminate (two-dimensional E- or S-glass fibre reinforcements, epoxy or polyimide resins) have been irradiated at room temperature in the TRIGA reactor (Vienna, Austria) and at 5 K in the FRM Munich (Garching, Germany) up to a neutron fluence of 5 × 1022m−2 (E > 0.1 MeV) prior to short-beam-shear (SBS) testing at 77 K. After low-temperature irradiation, half of the samples were subjected to a warm-up cycle to room temperature before testing at 77 K. Results on the influence of different radiation sources, irradiation temperatures and annealing cycles as well as the boron content of some laminates on the interlaminar shear strength (ILSS) are compared and discussed, together with microstructural observations made with a scanning electron microscope.</div></front></TEI><affiliations><list><country><li>Allemagne</li><li>Autriche</li></country></list><tree><country name="Autriche"><noRegion><name sortKey="Humer, K" sort="Humer, K" uniqKey="Humer K" first="K." last="Humer">K. Humer</name></noRegion><name sortKey="Gerstenberg, H" sort="Gerstenberg, H" uniqKey="Gerstenberg H" first="H." last="Gerstenberg">H. Gerstenberg</name><name sortKey="Spie Berger, S" sort="Spie Berger, S" uniqKey="Spie Berger S" first="S." last="Spie Berger">S. Spie Berger</name><name sortKey="Tschegg, E K" sort="Tschegg, E K" uniqKey="Tschegg E" first="E. K." last="Tschegg">E. K. Tschegg</name><name sortKey="Tschegg, E K" sort="Tschegg, E K" uniqKey="Tschegg E" first="E. K." last="Tschegg">E. K. Tschegg</name><name sortKey="Weber, H W" sort="Weber, H W" uniqKey="Weber H" first="H. W." last="Weber">H. W. Weber</name></country><country name="Allemagne"><noRegion><name sortKey="Gerstenberg, H" sort="Gerstenberg, H" uniqKey="Gerstenberg H" first="H." last="Gerstenberg">H. Gerstenberg</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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