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Article | REF: BN3720 V1

Neutron absorbing materials for the control of reactors

Authors: Dominique GOSSET, Patrick HERTER

Publication date: January 10, 2007

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2. Description of absorbent materials used

2.1 Silver alloy – indium – cadmium (AIC)

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2.1.1 Material characteristics

The compactness of pressurized water reactors (PWRs) enabled them to be installed in the first nuclear-powered submarines (Nautilus). The control devices were hafnium-based rods: the scarcity of this material in the 1960s led to the search for a material with equivalent thermal neutron spectrum efficiency for civilian power reactors (see figure

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Description of absorbent materials used
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