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Wettability of Electrochemically Nano-textured Metallic Glasses

Published online by Cambridge University Press:  22 January 2014

Harpreet Singh Arora  and
Sundeep Mukherjee
Harpreet Singh Arora*
Affiliation:
Department of Materials Science and Engineering, University of North Texas, Denton, TX 76203, USA
Sundeep Mukherjee
Affiliation:
Department of Materials Science and Engineering, University of North Texas, Denton, TX 76203, USA
*
#Email: harpreet.arora@unt.edu, Phone no. +1-940-535-8166
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Abstract

Different surface patterns with nanometer length-scales were obtained by electrochemical processing of metallic glasses. The wetting behaviour of these surface patterns was studied using sessile drop technique with distilled water droplet. It is demonstrated that the hydrophilic-hydrophobic nature of the metallic glass surface can be controlled through nano topography. The contact angle was found to increase from 70° for the flat metallic glass surface to 112° for the nano-dendritic structure. Atomic force microscopy was utilized to explain the difference in contact angle in term of the surface roughness for different nano-textures.

Keywords

amorphousx-ray photoelectron spectroscopy (XPS)scanning electron microscopy (SEM)
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1649: Symposium II – Bulk Metallic Glasses , 2014 , mrsf13-1649-ii06-05
Copyright
Copyright © Materials Research Society 2014 

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