Effect of rare earth oxide additions on oxidation behavior of AISI 304L stainless steel



Título del documento: Effect of rare earth oxide additions on oxidation behavior of AISI 304L stainless steel
Revista: Materials research
Base de datos: PERIÓDICA
Número de sistema: 000312932
ISSN: 1516-1439
Autores: 1

Instituciones: 1Comissao Nacional de Energia Nuclear, Instituto de Pesquisas Energeticas e Nucleares, Sao Paulo. Brasil
Año:
Periodo: Oct-Dic
Volumen: 9
Número: 4
Paginación: 375-379
País: Brasil
Idioma: Inglés
Tipo de documento: Nota breve o noticia
Enfoque: Experimental
Resumen en inglés AISI 304L stainless steel powder compacts containing 2 vol% high purity rare earth oxides were prepared by mixing the different powders in a vibratory mill followed by pressing. The compacts thus obtained were sintered in a vacuum furnace and isothermal oxidation measurements were carried out in a muffle furnace, in air, up to 200 hours at 900 °C. The oxidized surfaces were examined in a scanning electron microscope and micro regions of the reaction products were studied using energy dispersive analysis. The addition of rare earth oxides decreased the oxidation rate of the stainless steel. Further evidence of predominant oxygen ion diffusion controlling the overall oxidation process in rare earth containing chromium oxide forming alloys has been observed
Disciplinas: Ingeniería
Palabras clave: Ingeniería de materiales,
Ingeniería metalúrgica,
Acero inoxidable,
Propiedades mecánicas,
Resistencia,
Alta temperatura,
Oxidación
Keyword: Engineering,
Materials engineering,
Metallurgical engineering,
Stainless steel,
Mechanical properties,
Resistance,
High temperature,
Oxidation
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