Oxidation/degradation of MCrAlY Coatings

Autor:	I. Kvernes, E. Lugscheider
Rok vydání:	1988
Předmět:	Gas turbines Materials science Mechanical Engineering Metallurgy Vanadium chemistry.chemical_element Contamination Condensed Matter Physics Combustion Sulfur Corrosion Diesel fuel chemistry Mechanics of Materials Degradation (geology) General Materials Science
Zdroj:	Materialwissenschaft und Werkstofftechnik. 19:241-247
ISSN:	1521-4052 0933-5137
DOI:	10.1002/mawe.19880190706
Popis:	One of the major reasons coatings are used in internal combustion engines is to enhance the oxidation/corrosion resistance in contaminated corrosive environments. Such atmospheres are often encountered in diesel and utility gas turbines. Aircraft gas turbines are usually subjected to simple oxidation conditions, since the environment is generally cleaner and the operating temperatures higher than in ground-based engines. The primary source of corrosive species (sulfur, vanadium and even sodium) is in the fuel; but airborne salts are a concern, particularly for those engines operating close to to ocean. Diesel engines in ships may run on fuels containing up to 5% S, 400 ppm V, and 100 ppm Na.
Databáze:	OpenAIRE
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