[Kovove materialy - Metallic materials]
    Sat - June 24, 2017 - 22:36 No. of hits : 825187 ISSN 1338-4252 (online) ISSN 0023-432X (printed)
© Institute of Materials and Machine Mechanics, Slovak Academy of Sciences, Bratislava, Slovak Republic

VOLUME 55 (2017), Issue 2

Effect of microstructure on corrosion behavior of dual-phase steels
vol. 55 (2017), no. 2, pp. 133 - 139

Dual phase (DP) steels with different volume fractions of martensite and epitaxial ferrite were produced in different intercritical annealing temperatures and cooling rates. Corrosion behaviors of four different DP steels were investigated in 3.5 % NaCl solution by using potentiodynamic polarization and immersion tests. The results showed that both amounts of martensite and epitaxial ferrite have an influence on the corrosion behavior of DP steels. It was observed that corrosion resistance increased considerably with the presence of epitaxial ferrite as compared to dual phase steel containing non-epitaxial ferrite. On the other hand, the corrosion resistance of DP steels decreased with an increase in the martensite volume fraction (MVF).

Key words
dual-phase steel, epitaxial ferrite, martensite, corrosion

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Full title of this journal is bilingual: Kovové materiály - Metallic Materials.
The official abbreviation in accordance with JCR ISI is Kovove Mater.

Article abstracts updated: 2017-05-29 10:28     
Articles in press revised: 2017-06-21 07:05    
Full text pdf uploaded: 2017-05-29 09:42   
Information updated: 2017-05-10 17:18  

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