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Kinetics of reverted austenite in 18 wt.% Ni Grade 300 Maraging steel: an in-si...

Santos, Luis Paulo Mourão dos; Béreš, Miloslav; Castro, Mirela Oliveira de; Sarvezuk, Paulo Willian Carvalho; Wu, Leonardo

In this study, we investigated the transformation kinetics of martensite fi reverted austenite in 18 wt.% grade 300 Ni maraging steel. The kinetics was evaluated based on the in situ synchrotron x-ray diffraction data collected during isothermal heat treatment at 570C. The onset of transformation martensite fi reverted austenite was detected after 5 min of aging. The austenite fraction increased as a function o...

Date: 2022   |   Origin: Oasisbr

Reação de estado sólido em multicamadas de Fe-Zr

Paesano Junior, Andrea

Filmes finos de Fe-Zr na geometria de multicamadas foram tratados termicamente variando-se a temperatura (350ºC e 500ºC) e o tempo de tratamento (10min a 72h). As fases formadas por Reação de Estado Sólido (RES) em multicamadas com três composições totais diferentes (Fe0.67Zr0.33, Fe0.50Zr0.50, Fe0.33Zr0.67) foram analisadas por espectroscopia de retroespalhamento de Rutherford, difratometria de raios-X e espec...

Date: 2007   |   Origin: Oasisbr

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