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Development of Fe-B Based Bulk Metallic Glasses: Morphology of Residual Phases in Fe50Ni16Mo6B18Zr10 Glass

Laboratoire de Physico-Chimie des Surfaces, Groupe de Métallurgie Structurale, UMR 7045, ENSCP, 11 rue Pierre et Marie Curie, F-75231 Paris cedex 05, France
Metals 2013, 3(2), 159-177; https://doi.org/10.3390/met3020159
Received: 30 November 2012 / Revised: 19 March 2013 / Accepted: 26 March 2013 / Published: 9 April 2013
(This article belongs to the Special Issue Amorphous Alloys)
Iron-boron based bulk metallic glasses (BMG) development has been initiated using Fe40Ni38Mo4B18 as precursor. Addition of zirconium up to 10 atomic % along with the reduction of Ni proportion improves the glass forming ability (GFA), which is optimum when Ni is suppressed in the alloy. However melting instability occurred during the materials fabrication resulting in the formation of residual crystalline phases closely related to the amorphous phase. Microstructure study shows an evolution from amorphous structure to peculiar acicular structure, particularly for Fe50Ni16Mo6B18Zr10, suggesting the amorphous structure as interconnected atomic sheets like “atomic mille feuilles” whose growth affects the alloys’ GFA. View Full-Text
Keywords: bulk metallic glass; eutectic alloys; critical cooling; wrinkles bulk metallic glass; eutectic alloys; critical cooling; wrinkles
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Aboki, T.A. Development of Fe-B Based Bulk Metallic Glasses: Morphology of Residual Phases in Fe50Ni16Mo6B18Zr10 Glass. Metals 2013, 3, 159-177.

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Metals, EISSN 2075-4701, Published by MDPI AG
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