Crystallization of Fe-Si-B metallic glasses studied by X-ray synchrotron radiation

W. Minor, B. Schönfeld, B. Lebech, B. Buras, W. Dmowski

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We have studied the crystallization kinetics of Fe90-xSixB10 amorphous alloys with x ranging from 7 to 21, by synchrotron X-ray radiation. Using energy- dispersive X-ray diffraction, the kinetics of the different crystalline phases evolving during isothermal annealing were followed. These crystalline phases were identified as precipitation of α-Fe(Si) and/or Fe3Si in the amorphous matrix. At a later time or at a higher temperature, Fe2B starts to crystallize (x < 21 ). Only at low iron concentration (x = 21) was the second phase different, namely Fe5SiB2 The hypo- and hyper-eutectic Fe-Si-B glasses were found to crystallize differently. The crystallization processes are discussed in some detail.

Original languageEnglish
Pages (from-to)4144-4152
Number of pages9
JournalJournal of Materials Science
Issue number11
StatePublished - Nov 1987
Externally publishedYes


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