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    Evaluation of neutron activation of intermetallic matrices for dispersive nuclear fuel obtained by SH-synthesis

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    The paper describes a technique for obtaining intermetallic matrix materials based on Zr-Al and Ni-Al systems for dispersive nuclear fuel. This type of fuel is planned to be used in existing and future high-temperature nuclear reactors. Physical and mathematical modelling of the process of activation of matrices by neutron radiation showed that upon reaching the value of thermal neutron fluence of the order of 2.76路1021 n路cm-2 , the activity of Zr-Al and Ni-Al matrices was 1.3路1010 and 0.2路1010 Bq/g, respectively. The analysis showed that in terms of exposure of irradiated fuel it is preferable to use a matrix based on the zirconium-aluminium system
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