Effect of crystallization on corrosion resistance of Cu52.5Ti30Zr11.5Ni6 bulk amorphous alloy

Tan, Chao-Gui, Jiang, Wen-juan, Wu, Xue-qing, Wang, Xiu-feng and Lin, Jianguo 2007, Effect of crystallization on corrosion resistance of Cu52.5Ti30Zr11.5Ni6 bulk amorphous alloy, Nonferrous metals society of china, transactions, vol. 17, no. 4, pp. 751-754.


Title Effect of crystallization on corrosion resistance of Cu52.5Ti30Zr11.5Ni6 bulk amorphous alloy
Author(s) Tan, Chao-Gui
Jiang, Wen-juan
Wu, Xue-qing
Wang, Xiu-feng
Lin, Jianguo
Journal name Nonferrous metals society of china, transactions
Volume number 17
Issue number 4
Start page 751
End page 754
Publisher Elesvier B.V.
Place of publication Changsha, China
Publication date 2007-08
ISSN 1003-6326
1004-0609
Keyword(s) amorphous materials
crystallization
corrosion behavior
polarization
Summary The effects of crystallization on the corrosion resistance of a  Cu52.5Ti30Zr11.5Ni6 bulk amorphous alloy in 1 mol/L HCl, and 6 mol/L NaOH solutions were studied. The amorphous alloy was identified by  differential thermal analysis(DSC) and by X-ray diffraction(XRD). The partially and fully crystallized alloys were prepared by controlling the annealing  temperatures at 738 and 873 K for 1 and 12 min, respectively, and the corrosion resistances of those annealed alloys were compared with that of the amorphous alloy by immersion test and potentiodynamic measurements in 1 mol/L HCl and 6 mol/L NaOH solutions. The results show that the  partially crystallized alloy exhibits high corrosion resistance, whereas full crystallization results in deteriorated corrosion resistance compared with that of the as-cast amorphous alloy.
Language eng
Field of Research 091207 Metals and Alloy Materials
HERDC Research category C1.1 Refereed article in a scholarly journal
Persistent URL http://hdl.handle.net/10536/DRO/DU:30007148

Document type: Journal Article
Collection: Centre for Material and Fibre Innovation
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