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Nano-porous surface states of Ti-Y-Al-Co phase separated metallic glass

Authors
Jayaraj, J.; Park, J. M.; Gostin, P. F.; Fleury, E.; Gebert, A.; Schultz, L.
Issue Date
2009-12
Publisher
ELSEVIER SCI LTD
Citation
INTERMETALLICS, v.17, no.12, pp.1120 - 1123
Abstract
A novel nano-porous state was fabricated at the surface of the Ti-based metallic glass by selective etching technique. By transforming the surface of the Ti45Y11Al24Co20 phase separated alloy from smooth towards rough with nano-pores in an oxidised state, the passivation behaviour of the glassy alloy in simulated body fluid condition was remarkably improved leading to corrosion resistance significantly higher than that of the Ti-6Al-4V alloy, one of the favourite candidate materials for implant applications. (C) 2009 Elsevier Ltd. All rights reserved.
Keywords
IN-SITU FORMATION; ALLOYS; TITANIUM; LIQUID; IN-SITU FORMATION; ALLOYS; TITANIUM; LIQUID; Nanostructured intermetallics; Glasses; metallic; Corrosion; Electrochemical characterization; Biomedical applications
ISSN
0966-9795
URI
https://pubs.kist.re.kr/handle/201004/131915
DOI
10.1016/j.intermet.2009.05.008
Appears in Collections:
KIST Article > 2009
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