Corrosion resistance and glass forming ability of Fe sub(47)Co sub(7)Cr sub(15)M sub(9)Si sub(5)B sub(15)Y sub(2) (M=Mo, Nb) amorphous alloys

In the present work the effect of substituting Mo with Nb on the glass forming ability and corrosion resistance of Fe-Co-Cr-M-Si-B-Y (M=Mo, Nb) ribbons with high corrosion resistance is investigated. The X-ray powder diffraction pattern indicates that the alloy containing both Nb and Mo presented gr...

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Bibliographic Details
Published in:Materials research (São Carlos, São Paulo, Brazil) São Paulo, Brazil), 2013-12, Vol.16 (6), p.1294-1298
Main Author: de SOUZA, Carlos Alberto Caldas
Format: Article
Language:eng ; por ; spa
Subjects:
Alloying elements
Corrosion resistance
Ferrous alloys
Forming
Glass
Iron
Niobium
X-rays
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Summary:In the present work the effect of substituting Mo with Nb on the glass forming ability and corrosion resistance of Fe-Co-Cr-M-Si-B-Y (M=Mo, Nb) ribbons with high corrosion resistance is investigated. The X-ray powder diffraction pattern indicates that the alloy containing both Nb and Mo presented greater glass forming ability than the alloy containing either of these elements separately. The results obtained indicate that Mo is more effective in enhancing corrosion resistance than the Nb in 4.0 M HCl solution. The alloy containing both Nb and Mo presented greater overall corrosion resistance than the alloy containing only one of these elements.
ISSN:1516-1439
DOI:10.1590/S1516-14392013005000116