Corrosion Behavior of Fe-based Bulk Metallic Glass and In-situ Dendrite-reinforced Metallic Glass Matrix Composites in Acid Solution

The corrosion behavior study was conducted on a novel Fe77 Mo5P9C7.5 B1.5 in-situ metallic glass matrix composite （MGMC）. This composite sample was developed by introduction of bcc a-Fe dendrites as reinforcing phase. The corrosion behavior of this composite was compared to its monolithic counterpar...

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Bibliographic Details
Published in:Journal of iron and steel research, international international, 2016-11, Vol.23 (11), p.1200-1205
Main Authors: YANG, Fan, GUO, Sheng-feng, LAN, Ai-dong, YANG, Hui-jun, ZHOU, He-feng
Format: Article
Language:English
Subjects:
Applied and Technical Physics
bulk metallic glass
corrosion property
electrochemical test
Engineering
Machines
Manufacturing
Material
Materials Engineering
Materials Science
metallic glass matrix composite
Metallic Materials
Physical Chemistry
Processes
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Summary:The corrosion behavior study was conducted on a novel Fe77 Mo5P9C7.5 B1.5 in-situ metallic glass matrix composite （MGMC）. This composite sample was developed by introduction of bcc a-Fe dendrites as reinforcing phase. The corrosion behavior of this composite was compared to its monolithic counterpart and other Fe-based alloys such as 304L and 2304L stainless steels. The corrosion resistance of MGMCs in H2SO4 solution shows inferior to that of other Fe-based alloys. Experiments suggest that Fe-BMGs samples possess better corrosion resistance property than that of Fe-MGMCs. The possible underlying reasons can be the inhomogeneity induced by the precipitation of a-Fe dendrites in the MGMCs.
ISSN:1006-706X
2210-3988
DOI:10.1016/S1006-706X(16)30176-5