Nano Archive

Bulk metallic glass coating of polymer substrates

Soinila, Erno and Sharma, Parmanand and Heino, Markku and Pischow, Kaj and Inoue, Akihisa and Hänninen, Hannu (2009) Bulk metallic glass coating of polymer substrates. Journal of Physics: Conference Series, 144 (1). 012051.

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Bulk Metallic Glass (BMG) alloy with the composition of Zr 55 Cu 30 Al 10 Ni 5 was deposited by sputtering as thin films on several different engineering polymers and polymer composites. Polycarbonate, polymethyl methacrylate, polyamide 12, polyarylamide (50GF=50 % glass fibers), polyphenylene sulfide (30GF) and polybutylene terephthalate (30GF) were used as substrates. The microstructure of the deposited BMG coatings was studied by X-ray diffraction (XRD) and scanning electron microscopy (SEM). The results of XRD and SEM studies were consistent with amorphous microstructure. Elemental compositions of the coatings were verified by energy dispersive spectroscopy (EDS). Mechanical properties of the coatings were compared to copper mould cast BMG using nano- indentation tests with similar results. According to the cross-cut tape tests good adhesion was achieved between the studied BMG alloy and all other polymer substrates except polycarbonate. Nano-indentation results showed similar mechanical properties for coating and cast BMG. The results of this study look promising as they open new opportunities for BMG- polymer composite applications.

Item Type:Article
ID Code:11386
Deposited By:Prof. Alexey Ivanov
Deposited On:02 Nov 2011 00:15
Last Modified:02 Nov 2011 00:47

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