期刊
MATERIALS & DESIGN
卷 95, 期 -, 页码 225-230出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.matdes.2016.01.100
关键词
Fe-based; Amorphous alloys; Corrosion; XPS
资金
- National Natural Science Foundation of China [51501210, 51571207]
- Ningbo Municipal Nature Science Foundation [2015A610002, 2015A610064]
Developing amorphous alloys with good corrosion resistance have attracted wide interests recently. In this work, a series of Fe-71 - xCrxMo3.5Ni5P10C4B4Si2.5 (x = 0, 4, 8, 10, 12, 14 at.%) amorphous alloys are fabricated. Thermal stability of this alloy system increases slightly with appropriate Cr content. The corrosion resistance in 3.5 wt.% NaCl solution is sensitive to the minor addition of Cr (<= 4 at.%) whereas higher Cr does not significantly improve the corrosion resistance according to the results of electrochemical measurements, SEM and XPS. These Fe-based amorphous alloys show comparable corrosion resistance with the well-known amorphous steel (Fe48Mo14Cr15Y2C15B6) despite the low Cr and Mo content, making them good candidates as corrosion-resistant coating materials. (C) 2016 Elsevier Ltd. All rights reserved.
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