Abstract
| Original language | English |
|---|---|
| Journal | Applied Surface Science |
| Volume | 431 |
| Pages (from-to) | 24-31 |
| ISSN | 0169-4332 |
| DOIs | |
| Publication status | Published - 2018 |
Keywords
- Corrosion
- Crevice corrosion
- Expanded austenite
- High nitrogen steel
- High-temperature solution nitriding
- Low-temperature nitriding
- Pitting
Cite this
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High temperature solution-nitriding and low-temperature nitriding of AISI 316: Effect on pitting potential and crevice corrosion performance. / Bottoli, Federico; Jellesen, Morten Stendahl; Christiansen, Thomas Lundin; Winther, Grethe; Somers, Marcel A. J.
In: Applied Surface Science, Vol. 431, 2018, p. 24-31.Research output: Contribution to journal › Journal article › Research › peer-review
TY - JOUR
T1 - High temperature solution-nitriding and low-temperature nitriding of AISI 316: Effect on pitting potential and crevice corrosion performance
AU - Bottoli, Federico
AU - Jellesen, Morten Stendahl
AU - Christiansen, Thomas Lundin
AU - Winther, Grethe
AU - Somers, Marcel A. J.
PY - 2018
Y1 - 2018
N2 - Stainless steels grade AISI 316 was subjected to high temperature solution nitriding and low-temperature nitriding in order to dissolve various amounts of nitrogen in the bulk (up to approx. 0.45wt%) and in a surface layer (up to approx. 13wt%), respectively. Potentiodynamic polarization tests in a 0.1M NaCl solution and crevice corrosion immersion tests in 3wt% FeCl3 solution were studied before and after the bulk and surface treatments.Nitrogen addition in the bulk proved to have a beneficial effect on the pitting resistance of the alloy. The formation of a zone of expanded austenite at the material surface through low-temperature nitriding resulted in a considerable improvement of the pitting potential and the crevice corrosion performance of the steels.
AB - Stainless steels grade AISI 316 was subjected to high temperature solution nitriding and low-temperature nitriding in order to dissolve various amounts of nitrogen in the bulk (up to approx. 0.45wt%) and in a surface layer (up to approx. 13wt%), respectively. Potentiodynamic polarization tests in a 0.1M NaCl solution and crevice corrosion immersion tests in 3wt% FeCl3 solution were studied before and after the bulk and surface treatments.Nitrogen addition in the bulk proved to have a beneficial effect on the pitting resistance of the alloy. The formation of a zone of expanded austenite at the material surface through low-temperature nitriding resulted in a considerable improvement of the pitting potential and the crevice corrosion performance of the steels.
KW - Corrosion
KW - Crevice corrosion
KW - Expanded austenite
KW - High nitrogen steel
KW - High-temperature solution nitriding
KW - Low-temperature nitriding
KW - Pitting
U2 - 10.1016/j.apsusc.2017.06.094
DO - 10.1016/j.apsusc.2017.06.094
M3 - Journal article
VL - 431
SP - 24
EP - 31
JO - Applied Surface Science
JF - Applied Surface Science
SN - 0169-4332
ER -