Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/28376
Title: Novel centimeter-sized Fe-based bulk metallic glass with high corrosion resistance in simulated acid rain and seawater
Authors: Guo, SF
Chan, KC 
Xie, SH
Yu, P
Huang, YJ
Zhang, HJ
Keywords: Corrosion resistance
Fe-based bulk metallic glass
Microstructure
Thermal stability
Issue Date: 2013
Publisher: Elsevier Science Bv
Source: Journal of non-crystalline solids, 2013, v. 369, p. 29-33 How to cite?
Journal: Journal of Non-Crystalline Solids 
Abstract: In the present work, a novel Fe43Co4.5Cr 16.5Mo16.5C14B4Y1.5 (at.%) bulk metallic glass rod with 10 mm in diameter has been developed by Cu-mold suction casting using commercial grade raw materials. The thermal stability and corrosion behaviors of the centimeter-sized Fe-based alloys have been studied by differential scanning calorimeter and electrochemical measurements, respectively. The as-cast Fe-based alloy exhibits a high glass transition temperature of 820 K and a large super-cooled liquid region of 60 K, demonstrating an excellent thermal stability. Moreover, the Fe-based alloy developed appears to have corrosion resistance comparable to (or better than) that of 316L stainless steel, based on the measurements of breakdown potential and corrosion weight loss in simulated acid rain and seawater solution. The affluent of chromium and molybdenum elements included is conceived to be highly responsible for the high corrosion resistance in the current Fe-based bulk metallic glass, which may be good candidates to be used as low-cost, high-strength, and corrosion-resistant amorphous alloy.
URI: http://hdl.handle.net/10397/28376
ISSN: 0022-3093
DOI: 10.1016/j.jnoncrysol.2013.02.026
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