1. Influence of Plastic Deformation on Dissolution Corrosion of Type 316L Austenitic Stainless Steel in Static, Oxygen-Poor Liquid Lead-Bismuth Eutectic at 500°C
- Author
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Bensu Tunca, Oksana Klok, Tom Van der Donck, Konstantina Lambrinou, Shuigen Huang, Serguei Gavrilov, Iris De Graeve, Erich Stergar, Materials and Chemistry, Faculty of Engineering, Architectural Engineering, Electrochemical and Surface Engineering, and In-Situ Electrochemistry combined with nano & micro surface Characterization
- Subjects
plastic deformation ,Materials science ,Lead-bismuth eutectic ,General Chemical Engineering ,chemistry.chemical_element ,02 engineering and technology ,engineering.material ,01 natural sciences ,Oxygen ,Corrosion ,0103 physical sciences ,General Materials Science ,Austenitic stainless steel ,stainless steel ,Dissolution ,Eutectic system ,010302 applied physics ,Low oxygen ,Metallurgy ,lead-bismuth eutectic ,General Chemistry ,021001 nanoscience & nanotechnology ,chemical banding ,liquid metal corrosion ,chemistry ,dissolution corrosion ,engineering ,Deformation (engineering) ,0210 nano-technology - Abstract
This study addresses the effect of plastic deformation on the dissolution corrosion behavior of a Type 316L austenitic stainless steel. Dissolution corrosion was promoted by low oxygen conditions in liquid lead-bismuth eutectic (LBE). Specimens with controlled degree of plastic deformation (20%, 40%, and 60%) and a non-deformed, solution-annealed specimen were simultaneously exposed for 1,000 h at 500°C to static LBE with low oxygen concentration ([O] < 10−11 mass%). The corroded specimens were analyzed by various material characterization techniques. All exposed specimens exhibited dissolution corrosion. The non-deformed steel showed the least dissolution attack (maximum depth: 36 μm), while the severity of attack increased with the degree of steel deformation (maximum depth in the 60% steel: 96 μm). It was, thus, concluded that increasing the amount of plastic deformation in a Type 316L stainless steel results in higher dissolution corrosion damages for steels exposed to low oxygen LBE conditions. Addit...
- Published
- 2017
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