Corrosion resistance of nitrided ferritic steels X12Cr13 and X6Cr17
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26220%2F19%3APU137755" target="_blank" >RIV/00216305:26220/19:PU137755 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.1149/09501.0427ecst" target="_blank" >https://doi.org/10.1149/09501.0427ecst</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1149/09501.0427ecst" target="_blank" >10.1149/09501.0427ecst</a>
Alternative languages
Result language
angličtina
Original language name
Corrosion resistance of nitrided ferritic steels X12Cr13 and X6Cr17
Original language description
The ferritic stainless steels X12Cr13 and X6Cr17 were subjected to plasma nitriding at temperature of 400°C and 550 °C, 24 h in 3H2:1N2 (l/h) and 1H2:3N2 (l/h) nitriding gas ratio and compared to untreated one. The microstructure and microhardness of the untreated and nitrided stainless steel were evaluated. The corrosion properties of the untreated and plasma nitrided steel samples were evaluated using the anodic potentiodynamic polarization tests in neutral 2.5% NaCl deaerated solution. The phase analysis of nitrided steels samples was compared to untreated one. The results showed that plasma nitriding process on the X12Cr13 and X6Cr17 steels produced a nitride case with iron carbides Fe3C and iron nitrides Fe4N at lower temperature and above that chromium nitrides Cr4N4 and chromium iron carbide Cr15Fe7C6 at higher temperature of plasma nitriding process. Plasma nitriding process significantly increased the surface hardness of the martensitic stainless steels. The pitting was evaluated, and the pitting coefficient was calculated. During electrochemical corrosion tests, the untreated X12Cr13 and X6Cr17 stainless steels showed mostly slightly higher corrosion rates compared to plasma nitrided steel at lower temperature and extremely lower corrosion rate compared to plasma nitrided steel at higher temperature of plasma nitriding process.
Czech name
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Czech description
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Classification
Type
D - Article in proceedings
CEP classification
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OECD FORD branch
10405 - Electrochemistry (dry cells, batteries, fuel cells, corrosion metals, electrolysis)
Result continuities
Project
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Continuities
S - Specificky vyzkum na vysokych skolach
Others
Publication year
2019
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Article name in the collection
ECS Transactions
ISBN
978-80-214-5774-4
ISSN
1938-5862
e-ISSN
1938-6737
Number of pages
4
Pages from-to
397-405
Publisher name
Electrochemical Society, Inc. - SCImago Institutions Ranking
Place of publication
USA
Event location
Brno
Event date
Aug 25, 2019
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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