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• Zhao, W
• Inoue, A
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Int. J. Mol. Sci. 2011, 12(4), 2275-2293; doi:10.3390/ijms12042275

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Glass Formation, Chemical Properties and Surface Analysis of Cu-Based Bulk Metallic Glasses

Chunling Qin ^1,2 , Weimin Zhao ^1,*  and Akihisa Inoue ²

¹ School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300132, China ² WPI Advanced Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan

* Author to whom correspondence should be addressed.

Received: 1 November 2010; in revised form: 2 December 2010 / Accepted: 6 December 2010 / Published: 4 April 2011

(This article belongs to the Special Issue Advances in Bulk Metallic Glasses)

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Abstract: This paper reviews the influence of alloying elements Mo, Nb, Ta and Ni on glass formation and corrosion resistance of Cu-based bulk metallic glasses (BMGs). In order to obtain basic knowledge for application to the industry, corrosion resistance of the Cu–Hf–Ti–(Mo, Nb, Ta, Ni) and Cu–Zr–Ag–Al–(Nb) bulk glassy alloy systems in various solutions are reported in this work. Moreover, X-ray photoelectron spectroscopy (XPS) analysis is performed to clarify the surface-related chemical characteristics of the alloy before and after immersion in the solutions; this has lead to a better understanding of the correlation between the surface composition and the corrosion resistance.

Keywords: metallic glasses; glass formation; chemical properties; polarization curves; XPS measurements

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