Origin of ductile–brittle transition of amorphous Fe78Si9B13 ribbon during low temperature annealing

作者: Y.C. Niu , X.F. Bian , W.M. Wang

DOI: 10.1016/J.JNONCRYSOL.2004.06.011

关键词: FractographyAnnealing (metallurgy)BrittlenessMaterials scienceCrystallizationComposite materialRibbonDifferential scanning calorimetryCrystallographyAmorphous solidAtmospheric temperature range

摘要: Abstract Samples of amorphous Fe 78 Si 9 B 13 ribbon were annealed at various temperatures well below the crystallization temperature ( T x ). The bend test on them was performed. samples studied using XRD, DSC and SEM. results both fracture surfaces manifest that ductile–brittle transition occurs between 250 275 °C. FeSi-type structure, detected by forms in this annealing range disappears beyond that. These investigations suggest structure is origin ribbon.

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