Intergranular Corrosion Behavior of 00Cr12 Ferritic Stainless Steels Containing Cerium

Ya Bo Li; Fu Ming Wang; Xiao Nong Cheng

doi:10.4028/www.scientific.net/AMR.690-693.133

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 690-693Intergranular Corrosion Behavior of 00Cr12...

Intergranular Corrosion Behavior of 00Cr12 Ferritic Stainless Steels Containing Cerium

Abstract:

Intergranular corrosion behavior of 00Cr12 ferritic stainless steels with different amounts cerium was evaluated. For this evaluation, electrochemical measurements - polarization curves - were obtained for tested materials, and optical microscope was used to observe corrosive microstructure. Experimental results shows: cerium reduces grain sizes and improves intergranular corrosion resistance of test materials. Through mechanism analysis: cerium reduces grain sizes, increases grain boundary density, therefore might improve distribution aspects of carbides and nitrides, chromium depletion situation near grain boundary would be improved, this work worth further study.

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Periodical:

Advanced Materials Research (Volumes 690-693)

Pages:

133-138

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.690-693.133

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Online since:

May 2013

Authors:

Ya Bo Li, Fu Ming Wang, Xiao Nong Cheng

Keywords:

Cerium, Electrochemical Measurement, Ferritic Stainless Steel (FSS), Intergranular Corrosion Resistance

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