advanced materials for fuel cladding in sodium fast reactors in ...

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ODS = present reference for future evolution ofASTRID core (SFR prototype).First Cores ASTRIDAIM1 (15-15 Ti)One ODS sub assemblyASTRID prototypeOther innovations are under investigation inparticular in terms of margin to melting and stabilityof the core in case of accidental scenario (high T°C) Refractory materials (Metals ? Ceramics ?)Marion LE FLEM, Advanced Materials for Fuel Cladding in Sodium Fast Reactors 14
3- Refractory metals (1/7)IntroductionV• Nb, Mo, Ta and W are not acceptable in terms of neutron compatibility (absorption…)• Only semi-refractory V, Cr and Zr exhibit enough neutron transparency• Only V exhibits• appropriate strength at high temperature• AND widely known behavior under irradiationIs vanadium a good candidatefor SFR fuel cladding ?Marion LE FLEM, Advanced Materials for Fuel Cladding in Sodium Fast Reactors 15
Page 1 and 2: ADVANCED MATERIALS FOR FUEL CLADDIN
Page 3 and 4: Introduction - SFR Fuel claddingRef
Page 5 and 6: 1- Advanced Austenitic Steels (1/3)
Page 7 and 8: 1- Advanced Austenitic Steels (3/3)
Page 9 and 10: 2- ODS Steels (2/6)Fabrication - Po
Page 11 and 12: 2- ODS Steels (4/6)Mechanical prope
Page 13: 2- ODS Steels (6/6)Stability under
Page 17 and 18: 3- Refractory metals - Vanadium all
Page 23 and 24: 3- Ceramic cladding ? (2/3)Mechanic
Page 25 and 26: 3- Ceramic cladding ? (4/4)Matrix c

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