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Title:Effect of testing temperature on corrosion behaviour of different heat treated stainless steels in the active-passive region
Authors:ID Slemnik, Mojca (Author)
Files:URL http://dx.doi.org/10.1108/00035590810842799
 
Language:English
Work type:Unknown
Typology:1.01 - Original Scientific Article
Organization:FKKT - Faculty of Chemistry and Chemical Engineering
Abstract:Purpose - This paper aims to focus on the effects of temperature of the immersion media on the corrosion behaviour of differently heat-treated X20Cr13 stainless steel. Design/methodology/approach - Specimens, quenched on air, quenched in oil and quenched in oil and then tempered, were tested during exposure in 0.1?M H2SO4 at 30, 40 and 50°C. The results were interpreted on the base of potentiodynamic and impedance measurements. Findings - From the impedance spectra a reaction mechanism can be determined: after samples had reached and passed the active peak, expressed as the highestpeak on the potentiodynamic curve, corrosion products at interfaces, which were adsorbed at metal surface, led to an increase in the charge transfer resistance. Elevated temperature of immersion media has had appreciable influence on the corrosion rate and adsorption of products, but atthis temperature level did not affect the principle of corrosion reactions. Activation energies were calculated to exhibit temperature dependence of current density, which was the highest for the oil- and the lowest for the air-quenched sample. Originality/value - The paper provides further research on stainless steel, the corrosion behaviour of which can be controlled already by heat treatment.
Keywords:corrosion, stainless steel, heat treatment, temperature
Year of publishing:2008
PID:20.500.12556/DKUM-27408 New window
UDC:[620.193:669.14]:543.42
ISSN on article:0003-5599
COBISS.SI-ID:12012310 New window
NUK URN:URN:SI:UM:DK:IDMDTZDT
Publication date in DKUM:01.06.2012
Views:2116
Downloads:110
Metadata:XML DC-XML DC-RDF
Categories:Misc.
:
SLEMNIK, Mojca, 2008, Effect of testing temperature on corrosion behaviour of different heat treated stainless steels in the active-passive region. Anti-corrosion methods and materials [online]. 2008. [Accessed 18 March 2025]. Retrieved from: http://dx.doi.org/10.1108/00035590810842799
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Record is a part of a journal

Title:Anti-corrosion methods and materials
Shortened title:Anti-corros. methods mater.
Publisher:Sawell Publications
ISSN:0003-5599
COBISS.SI-ID:4205066 New window

Secondary language

Language:English
Keywords:korozija, nerjavna jekla, toplotna obdelava, temperatura


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