The influence of heat treatment on the corrosion behaviour of as-spun amorphous Al88Ni6La6 alloy in 0.01 M NaCl solution

Wang, Xiufeng, Wu, Xueqing, Lin, Jianguo and Ma, Mo 2007, The influence of heat treatment on the corrosion behaviour of as-spun amorphous Al88Ni6La6 alloy in 0.01 M NaCl solution, Materials letters, vol. 61, no. 8-9, pp. 1715-1717.


Title The influence of heat treatment on the corrosion behaviour of as-spun amorphous Al88Ni6La6 alloy in 0.01 M NaCl solution
Formatted title Influence of heat treatment on the corrosion behaviour of as-spun amorphous Al88Ni6La6 alloy in 0.01 M NaCl solution
Author(s) Wang, Xiufeng
Wu, Xueqing
Lin, Jianguo
Ma, Mo
Journal name Materials letters
Volume number 61
Issue number 8-9
Start page 1715
End page 1717
Publisher Elsevier BV
Place of publication Amsterdam, Netherlands
Publication date 2007-04
ISSN 0167-577X
1873-4979
Keyword(s) al alloys
amorphous
corrosion
heat treatment
polarization
Summary The effect of the heat treatment on the corrosion behaviour of amorphous Al88Ni6La6 made by melt-spun has been investigated by electrochemical measurements. Heat treatment was carried out at 523 K and 673 K for 4 min and 15 min respectively. The evolution of the crystallization process after annealing was identified by differential scanning calorimeter (DSC) as well as X-ray diffraction. The XRD patterns show that the structure of samples heat-treated at higher temperature changes towards a crystal state. The results obtained from the polarization curves reveal that all Al88Ni6La6 alloys exhibit spontaneously passivated behaviour. Furthermore, it is noted that the partially crystallized alloy has the best corrosion resistance in comparison with as-spun amorphous and fully crystallized alloys, while the fully crystallized sample shows deterioration in the corrosion resistance.
Language eng
Field of Research 091207 Metals and Alloy Materials
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2006, Elsevier B.V.
Persistent URL http://hdl.handle.net/10536/DRO/DU:30007147

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