Tensile and creep properties of reduced activation ferritic–martensitic steel for fusion energy application

Tensile and creep properties of a reduced activation ferritic–martensitic (RAFM) steel for Indian Test Blanket Module (TBM) to be tested in ITER have been evaluated. The tensile strength was found to decrease with temperature; the rate of decrease being slower in the intermediate temperature range o...

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Veröffentlicht in:	Journal of nuclear materials 2011-10, Vol.417 (1-3), p.77-80
Hauptverfasser:	Mathew, M.D., Vanaja, J., Laha, K., Varaprasad Reddy, G., Chandravathi, K.S., Bhanu Sankara Rao, K.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Controled nuclear fusion plants Energy Energy. Thermal use of fuels Exact sciences and technology Fission nuclear power plants Fuels Installations for energy generation and conversion: thermal and electrical energy Nuclear fuels
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container_title	Journal of nuclear materials
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creator	Mathew, M.D. Vanaja, J. Laha, K. Varaprasad Reddy, G. Chandravathi, K.S. Bhanu Sankara Rao, K.
description	Tensile and creep properties of a reduced activation ferritic–martensitic (RAFM) steel for Indian Test Blanket Module (TBM) to be tested in ITER have been evaluated. The tensile strength was found to decrease with temperature; the rate of decrease being slower in the intermediate temperature range of 450–650K. Tensile ductility of the steel decreased with increase in temperature up to 650K, followed by a rapid increase beyond 650K. Creep studies have been carried out at 773, 823 and 873K over a stress range of 100–300MPa. The variation of minimum creep rate with applied stress followed a power law, ε´m=Aσn. The ‘n’ value decreased with increase in temperature. The creep rupture life was found to relate inversely with minimum creep rate through the Monkman–Grant relation, tr·ε´m=constant. The tensile and creep properties of the steel were comparable with those of Eurofer 97.
doi_str_mv	10.1016/j.jnucmat.2011.01.058
format	Article
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subjects	Applied sciences Controled nuclear fusion plants Energy Energy. Thermal use of fuels Exact sciences and technology Fission nuclear power plants Fuels Installations for energy generation and conversion: thermal and electrical energy Nuclear fuels
title	Tensile and creep properties of reduced activation ferritic–martensitic steel for fusion energy application
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