The results of R&D work on alternative materials for accident-tolerant fuel-rod cladding are reported. The chromium-nickel alloy 42KhNM and multilayer composite material SiC/SiC are considered. The advantages in terms of corrosion resistance of alternative materials over the conventional zirconium alloys are shown. The results of efforts to optimize a method for welding pipes made of alloy 42KhNM and sealing fuel-rod cladding made of composite materials are presented. A complex of pre-reactor and reactor studies is required to evaluate the possibility of using the materials under consideration as fuel-rod cladding.
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Translated from Atomnaya Énergiya, Vol. 130, No. 4, pp. 211–215, April, 2021.
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Karpyuk, L.A., Novikov, V.V., Kulakov, G.V. et al. 42KhNM Alloy and Silicon Carbide as Material for Accident-Tolerant Fuel-Rod Cladding. At Energy 130, 224–228 (2021). https://doi.org/10.1007/s10512-021-00799-4
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DOI: https://doi.org/10.1007/s10512-021-00799-4