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Electrochemical Behavior of Cu 60 Zr 25 Ti 15 Bulk Metallic Glass with the Addition of Nb and Mo

IR@NML: CSIR-National Metallurgical Laboratory, Jamshedpur

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Title Electrochemical Behavior of Cu 60 Zr 25 Ti 15 Bulk Metallic Glass with the Addition of Nb and Mo
 
Creator Mandal, Soumen
Sivakumar, B
Singhbabu, Y N
Bandyopadhyay, N R
Chattopadhyay, P P
Kailath, A J
 
Subject Materials Science
 
Description This paper reports the changes in the electrochemical behavior of Cu 60 Zr 25 Ti 15 bulk metallic glass (BMG) with the addition of 1 at.% Mo and Nb in 3.5 wt.% NaCl aqueous solution. Electrochemical methods employed for the study are open-circuit potential (OCP) and potentiodynamic polarization. The OCP values of the parent BMG and minor-alloyed BMGs differ only marginally. However, potentiodynamic studies show slightly higher corrosion resistance for the minor-alloyed BMGs than that of the parent alloy. Polarized surfaces of all the samples, examined under a scanning electron microscope (SEM), reveal pits formed due to corrosion. Corrosion products are analyzed by energy-dispersive spectroscopy (EDS) and X- ray photoelectron spectroscopy (XPS). Higher corrosion resistance observed for Nb- or Mo-added BMGs is attributed to the formation of NbO 2 /Nb 2 O 5 and MoO 2 , respectively, besides the oxides of other constituent elements.
 
Publisher ASM International
 
Date 2019
 
Type Article
PeerReviewed
 
Format application/pdf
 
Identifier http://eprints.nmlindia.org/8068/1/Anshu-2019.pdf
Mandal, Soumen and Sivakumar, B and Singhbabu, Y N and Bandyopadhyay, N R and Chattopadhyay, P P and Kailath, A J (2019) Electrochemical Behavior of Cu 60 Zr 25 Ti 15 Bulk Metallic Glass with the Addition of Nb and Mo. Journal of Materials Engineering and Performance, 28 (IF-1.476). pp. 6874-6884.
 
Relation https://doi.org/10.1007/s11665-019-04391-7
http://eprints.nmlindia.org/8068/