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- W1997958900 abstract "L'etude de l'oxydation isotherme et cyclique a 1100°C et 1200°C sous air d'un alliage FeCrAl-Ce,La a ete effectuee en tenant compte du magnesium present en tant qu'impurete dans l'alliage. L'analyse par diffraction des rayons X in situ a montre que la phase majoritaire qui constitue la couche d'oxyde est l'alumine-a avec une phase minoritaire MgAl 2 O 4 qui commence a apparaitre des la deuxieme heure d'oxydation. L'analyse EDXS des sections transversales a montre que le magnesium est localise a la surface externe de la couche d'oxyde. Ceci conduit a la formation de porosite a l'interface externe sans toutefois affecter la partie interne de la couche qui reste compact ce qui explique que nous avons toujours une couche montrant un caractere protecteur a haute temperature." @default.
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- W1997958900 date "2004-11-01" @default.
- W1997958900 modified "2023-09-25" @default.
- W1997958900 title "Étude de l'effet du magnésium sur l'oxydation à haute température (1100○C-1200○C) d'un alliage FeCrAl avec misch-métal" @default.
- W1997958900 doi "https://doi.org/10.1051/jp4:2004118037" @default.
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