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  • The most promising materials for production of ADDT (Acceleration Driver Transmutation Technology) loop components for spent nuclear fuel transmutation are nickel superalloys. The excellent mechanical properties, creep resistance, corrosion resistance in an environment of fused fluoride salt and resistance against radiation embrittlement are required for these alloys. These alloys have to show good technological properties. The creep behaviour and high-temperature corrosion in molten fluoride salts of two experimental nickel alloys (MoNiCr type) and a comparative alloy (Hasteloy B type) have been investigated. The creep tests were performed at temperature 700 °C in stress range from 80 to 160 MPa. The longest times to rupture were achieved for samples after forging however the scatter of results was rather higher. Hasteloy B revealed slightly better creep resistance in comparison with alloys of MoNiCr types. The corrosion tests have been performed in a protection nitrogen/hydrogen atmosphere at a temperature of 710 °C in environment of molten mixture of NaF and LiF. The corrosion losses have been measured. The corrosion speeds of all alloys are on comparable level. Surface structure changes were observed using electron microscopy and microanalysis and corrosion mechanisms during tests were specified.
  • The most promising materials for production of ADDT (Acceleration Driver Transmutation Technology) loop components for spent nuclear fuel transmutation are nickel superalloys. The excellent mechanical properties, creep resistance, corrosion resistance in an environment of fused fluoride salt and resistance against radiation embrittlement are required for these alloys. These alloys have to show good technological properties. The creep behaviour and high-temperature corrosion in molten fluoride salts of two experimental nickel alloys (MoNiCr type) and a comparative alloy (Hasteloy B type) have been investigated. The creep tests were performed at temperature 700 °C in stress range from 80 to 160 MPa. The longest times to rupture were achieved for samples after forging however the scatter of results was rather higher. Hasteloy B revealed slightly better creep resistance in comparison with alloys of MoNiCr types. The corrosion tests have been performed in a protection nitrogen/hydrogen atmosphere at a temperature of 710 °C in environment of molten mixture of NaF and LiF. The corrosion losses have been measured. The corrosion speeds of all alloys are on comparable level. Surface structure changes were observed using electron microscopy and microanalysis and corrosion mechanisms during tests were specified. (en)
Title
  • CREEP AND CORROSION RESISTANCE OF NI-ALLOYS IN MOLTEN NAF A LIF SALT
  • CREEP AND CORROSION RESISTANCE OF NI-ALLOYS IN MOLTEN NAF A LIF SALT (en)
skos:prefLabel
  • CREEP AND CORROSION RESISTANCE OF NI-ALLOYS IN MOLTEN NAF A LIF SALT
  • CREEP AND CORROSION RESISTANCE OF NI-ALLOYS IN MOLTEN NAF A LIF SALT (en)
skos:notation
  • RIV/25797000:_____/09:#0000265!RIV12-GA0-25797000
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA106/06/1352)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 308511
http://linked.open...ai/riv/idVysledku
  • RIV/25797000:_____/09:#0000265
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • ADDT (Acceleration Driver Transmutation Technology) (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [798F25BDC198]
http://linked.open...v/mistoKonaniAkce
  • Hradec nad Moravicí
http://linked.open...i/riv/mistoVydani
  • Ostrava
http://linked.open...i/riv/nazevZdroje
  • METAL 2009
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Hakl, Jan
  • Kasl, Josef
  • Vlasák, Tomáš
  • Brenner, Otakar
  • Cizner, Josef
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
number of pages
http://purl.org/ne...btex#hasPublisher
  • Tanger, Ltd
https://schema.org/isbn
  • 978-80-87294-10-9
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