Failure mechanisms in continuous-fiber ceramic composites in fusion energy environments

Silicon carbide composites are attractive for structural applications in fusion energy systems because of their low activation and afterheat properties, excellent high-temperature properties, corrosion resistance, and low density. These composites are relatively new materials with a limited database...

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Veröffentlicht in:Journal of nuclear materials 2001-02, Vol.289 (1), p.10-15
Hauptverfasser: Lewinsohn, C.A., Henager, C.H., Youngblood, G.E., Jones, R.H., Lara-Curzio, E., Scholz, R.
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container_end_page 15
container_issue 1
container_start_page 10
container_title Journal of nuclear materials
container_volume 289
creator Lewinsohn, C.A.
Henager, C.H.
Youngblood, G.E.
Jones, R.H.
Lara-Curzio, E.
Scholz, R.
description Silicon carbide composites are attractive for structural applications in fusion energy systems because of their low activation and afterheat properties, excellent high-temperature properties, corrosion resistance, and low density. These composites are relatively new materials with a limited database; however, there is sufficient understanding of their performance to identify key issues in their application. To date, dimensional changes of the constituents, microstructural evolution, radiation-enhanced creep, and slow crack growth have been identified as potential lifetime limiting mechanisms. Experimental evidence of these mechanisms, the factors that control them, and their implications on component lifetime will be discussed.
doi_str_mv 10.1016/S0022-3115(00)00676-0
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subjects 70 PLASMA PHYSICS AND FUSION TECHNOLOGY
Applied sciences
CERAMICS
Controled nuclear fusion plants
CORROSION RESISTANCE
CRACK PROPAGATION
CREEP
Energy
Energy. Thermal use of fuels
Exact sciences and technology
Installations for energy generation and conversion: thermal and electrical energy
LIFETIME
SILICON CARBIDES
THERMONUCLEAR REACTORS
title Failure mechanisms in continuous-fiber ceramic composites in fusion energy environments
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