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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Pinedo, C. E.
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Topics
Publications (4/4 displayed)
- 2017Development and microstructure characterization of single and duplex nitriding of UNS S31803 duplex stainless steelcitations
- 2014Cavitation erosion resistance of active screen-low temperature plasma nitrided AISI 410 martensitic stainless steel
- 2014Cavitation erosion resistance and wear mechanisms of active screen low temperature plasma nitrided AISI 410 martensitic stainless steelcitations
- 2014Development of duplex high temperature gas nitriding and low temperature plasma nitriding surface treatments for UNS S31803 duplex stainless steel
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document
Cavitation erosion resistance of active screen-low temperature plasma nitrided AISI 410 martensitic stainless steel
Abstract
<p>AISI 410 martensitic stainless steel specimens were low temperature plasma nitrided at 400°C in a mixture of 75%N<sub>2</sub>:25%H<sub>2</sub>, during 20 h. Active screen technic was used to avoid any edge effect. The nitrided case is composed of expanded martensite (α'n) and ε-Fe<sub>3</sub>N iron nitride, whilst chromium nitride precipitation was avoided. Surface hardness reached 1275 HV0.01. The transverse microhardness profile shows a gentle hardness gradient with a NHT nitrided case depth of 28 μm. The cavitation erosion mass losses were measured as a function of exposure time. The results showed a decrease of 27 times of the mass loss compared to the non-nitride specimens. Wear rate decreased from 2.56 mg/h for the non-nitrided condition to 0.085 mg/h after nitriding. Such results showed that low temperature plasma nitriding and the formation of expanded martensite are effective to increase cavitation erosion resistance of AISI 410 stainless steel.</p>