Production and use of radioactive [82Br]KBr in high-temperature corrosion studies

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The applicability of radioactive species in high-temperature research as tracers was studied with KBr and an Nb-stabilised austenitic stainless steel. KBr-induced high-temperature corrosion was addressed by using radioactive [82Br]KBr and measuring the radioactivity of the sample surface with a high-resolution phosphor imaging device.Neutron activation by cyclotron proved to be a very cost-effective way to produce radioactive [82Br]KBr with a high radionuclidic purity and a negligible level of unwanted side products. KBr reacts rapidly with steel, forming potassium chromate and metal bromides, both of which are reducing the protective properties of the surface oxide through chromium depletion and increasing porosity.

Sidor (från-till)24–30
TidskriftCorrosion Science
StatusPublicerad - 2019
MoE-publikationstypA1 Tidskriftsartikel-refererad


  • Selective oxidation
  • High temperature corrosion
  • Stainless steel

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