| Autre titre | Oxidation and Hot Corrosion in Na2SO4–10%V2O5 of Ni–17Cr–6Al–0.5Y and Ni–16Cr–5.7Al–0.47Y–5Si MCrAly Alloys at 700°C |
|---|
| DOI | Trouver le DOI : https://doi.org/10.1179/cmq.1991.30.2.125 |
|---|
| Auteur | Rechercher : Lambert, P.; Rechercher : Champagne, B.1; Rechercher : Arseneault, B. |
|---|
| Affiliation | - Conseil national de recherches Canada
|
|---|
| Format | Texte, Article |
|---|
| Résumé | A standard NiCrAlY alloy and a silicon enriched alloy were produced in order to study the effect of the addition of silicon on their oxidation and hot corrosion behaviour. The chemical compositions (wt%) of these alloys were Ni–17Cr–6Al–0.5Y and Ni–16Cr–5.7 Al–0.47Y–5Si. The oxide types formed at 700°C were studied and characterized. An outer layer of NiO developed on the surface of the standard alloy whereas a thin Al₂O₃ oxide scale occurred on the Si enriched alloy. To simulate the corrosive environment inside a diesel engine, hot corrosion testing was carried out at 700°C on specimens that were plasma-spray coated with a corrosive mixture of Na₂SO₄–10wt% V₂O₅. The development of a protective oxide barrier is considerably affected by the corrosive coating, particularly in the silicon enriched alloy. |
|---|
| Date de publication | 1991-04-01 |
|---|
| Maison d’édition | Taylor and Francis |
|---|
| Dans | |
|---|
| Langue | anglais |
|---|
| Publications évaluées par des pairs | Oui |
|---|
| Exporter la notice | Exporter en format RIS |
|---|
| Signaler une correction | Signaler une correction (s'ouvre dans un nouvel onglet) |
|---|
| Identificateur de l’enregistrement | 2a5b7984-b47d-4b3f-accb-a0e46a597756 |
|---|
| Enregistrement créé | 2020-04-08 |
|---|
| Enregistrement modifié | 2020-05-08 |
|---|
