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Kim, Ji Hyun
UNIST Nuclear Innovative Materials Laboratory(UNIMAT)
Research Interests
  • High temperature water corrosion
  • Liquid metal corrosion
  • Material degradation simulation

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Corrosion behavior and microstructural evolution of ASTM A182 Grade 92 steel in liquid sodium at 650 oC

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Title
Corrosion behavior and microstructural evolution of ASTM A182 Grade 92 steel in liquid sodium at 650 oC
Author
Kim, Ji HyunShin, Sang HunKim, Jun Hwan
Issue Date
2015-08
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Citation
CORROSION SCIENCE, v.97, pp.172 - 182
Abstract
ASTM A182 Grade 92 steel was exposed to liquid sodium at 650°C to investigate the effect of oxidation on microstructural evolution. Comparisons were made to the same material exposed to argon gas at 650°C. In the sodium-exposed specimens, intergranular oxidation and chromium depletion were observed at the near-surface. With the argon-exposed specimen, however, this behavior at the surface was not observed. At the near-surface in specimens exposed to 650°C liquid sodium, it was mostly M23C6 carbide that was observed, whereas a M2(W,Mo) phase was predominant in the bulk steel matrix in specimens exposed to both 650°C sodium and argon.
URI
https://scholarworks.unist.ac.kr/handle/201301/12221
URL
http://www.sciencedirect.com/science/article/pii/S0010938X15001985
DOI
10.1016/j.corsci.2015.05.004
ISSN
0010-938X
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