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

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Introduction – SFR Fuel claddingLow swelling and appropriate mechanical properties Advanced materials for SFR1- Advanced austenitic steels2- Ferritic/martensitic ODS Steels (Oxide dispersed strengthening)3- Refractory metals4- Ceramics ?Melting temperature ↗Innovation ↗And for LFR ?• Main drawback is compatibility with Pb need of coatings or new alloys Also need of materials with higher performances (cfSFR)Marion LE FLEM, Advanced Materials for Fuel Cladding in Sodium Fast Reactors 4
1- Advanced Austenitic Steels (1/3)Improvement of resistance to swelling= Combination of benefic parameters- High Ni content 15-30% inhibitor in solid solution- Stabilisation by Ti (even by Ti + Nb + V) + cold work (25% CW) carbide precipitation- Use of Si + P enhancement of precipitation under irradiationSSmall level of CW cavities in the cells15/15Ti ,100dpa, 560°C20% CW Dislocations pinned by TiCBenefic effect of Ni(swelling inhibitors in solid solution)Narrow specifications to fulfil the requirements…Impact on chemical composition, homogeneity, process…Marion LE FLEM, Advanced Materials for Fuel Cladding in Sodium Fast Reactors5
Page 1 and 2: ADVANCED MATERIALS FOR FUEL CLADDIN
Page 3: Introduction - SFR Fuel claddingRef
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 and 14: 2- ODS Steels (6/6)Stability under
Page 15 and 16: 3- Refractory metals (1/7)Introduct
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

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

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