[Kovove materialy - Metallic materials]
    Sat - November 02, 2024 - 15:04 No. of hits : 1795556 ISSN 1338-4252 (online) ISSN 0023-432X (printed)
© Institute of Materials and Machine Mechanics, Slovak Academy of Sciences, Bratislava, Slovak Republic

VOLUME 54 (2016), Issue 5

Investigating the effect of the deep cryogenic heat treatment on the corrosion behavior of the 1.2080 tool steel
AMINI, K., AKHBARIZADEH, A., JAVADPOUR, S.
vol. 54 (2016), no. 5, pp. 331 - 338
DOI: 10.4149/km_2016_5_331

Abstract
Deep cryogenic heat treatment is a supplementary process performed on a vast variety of materials, including tool steels, carburized steels, tungsten carbide, magnesium alloys, and polymers. This process improves the wear behavior and the working life of these materials. This study has investigated the effect of the deep cryogenic heat treatment on the corrosion behavior of the 1.2080 tool steel in different holding durations via the electrochemical impedance spectroscopy (EIS) and linear polarization test (TAFEL) in the environment of 3.5 wt.% NaCl aqueous solution. Results show that cryogenic heat treatment decreases the corrosion resistance of the tool steels as a consequence of increasing the carbide percentage as well as improving the carbide distribution. This phenomenon decreases the dissolved chromium atoms which are the major components in corrosion resistance of the tool steels.

Key words
1.2080 tool steel, carbide distribution, corrosion resistance, deep cryogenic heat treatment

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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.


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