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Effects Of Hydrogen Doping On Compatibility Of The Austenitic And Ferritic/martensitic Stainless Steels Manufactured By PM HIP Techniques With Molten Lithium

  • : Andrei Shulga1
  • : 1National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)
  • : PDF Download
  • : 2016


An experimental study of the tensile properties, microstructure, and distribution of carbon, boron after corrosion tests of austenitic and ferritic/martensitic stainless steels manufactured by PM HIP techniques in lithium with addition of 0.05% H are presented. The comparative investigation of the tensile properties and microstructure of the stainless steel cladding fuel tubes and semi-products fabricated by the PM HIP and traditional technology was performed. The ring tensile tests of specimens cut from cladding tubes were carried out at room temperature. The multiscale autoradiography investigation of carbon and boron distribution in the specimens after corrosion tests was performed. Nuclear methods of autoradiography have a high sensitivity and allow investigating the multiscale spatial distribution of boron, carbon and lithium. Retention of the positive effect of PM HIP technology on the room temperature tensile properties of the investigated steels after corrosion tests was established when compared with traditional technology.


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