The effect of trace levels of Ni and V on the microstructure and properties of four common aluminum alloys

Grandfield, J, Sweet, L, Beer, A, Zhu, S, Chen, X and Easton, M 2014, 'The effect of trace levels of Ni and V on the microstructure and properties of four common aluminum alloys', in J. Grandfield (ed.) Proceedings of the TMS 2014 143rd Annual Meeting and Exhibition - Light Metals 2014, San Diego, United States, 16 - 20 February 2014, pp. 969-974.


Document type: Conference Paper
Collection: Conference Papers

Title The effect of trace levels of Ni and V on the microstructure and properties of four common aluminum alloys
Author(s) Grandfield, J
Sweet, L
Beer, A
Zhu, S
Chen, X
Easton, M
Year 2014
Conference name TMS 2014
Conference location San Diego, United States
Conference dates 16 - 20 February 2014
Proceedings title Proceedings of the TMS 2014 143rd Annual Meeting and Exhibition - Light Metals 2014
Editor(s) J. Grandfield
Publisher John Wiley and Sons
Place of publication New Jersey, United States
Start page 969
End page 974
Total pages 6
Abstract The effect of nickel and vanadium with concentrations from <100ppm to ~550ppm on microstructure, mechanical properties and corrosion behavior has been investigated for aluminium alloys 356, 6060/6063, 3004 and 5182. While the Ni and V additions appeared to have no adverse effect on strength, ductility was reduced by the presence of Ni but it was improved by the presence of V for all alloys. Low Ni combined with high V levels gave the best corrosion performance in all four alloy systems. However, there was no difference in corrosion between alloys with low (50ppm) Ni and low (150ppm) V and other combinations. It appears that Ni and V levels may be allowed to increase together within current alloy specifications without detrimental effects on properties. However, high Ni and low V concentrations may reduce ductility and corrosion performance. Some caution should be exercised in allowing Ni to increase alone.
Subjects Metals and Alloy Materials
Keyword(s) A356
Al-7Si-Mg
AA6063
Aa6060
5182
3004
Alloy properties
Corrosion
Ductility
Nickel
Petroleum coke
Vanadium
DOI - identifier 10.1002/9781118888438.ch161
Copyright notice © 2014 The Minerals, Metals and Materials Society. All rights reserved.
ISBN 9781118889084
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