Mechanical Properties and Microstructures of Locally Produced Aluminium-Bronze Alloy


This work studied the feasibility of producing a dual-phase aluminium bronze alloy and the use of selected treatments to manipulate the mechanical properties of the produced alloy using local techniques, as a potential replacement for con- ventional structural materials, particularly steels. Sand casting was used and was found to be effective based on its ad- vantages of low cost, ease of use and flexibility in the production of a dual-phase aluminium bronze alloy with pre-selected composition of 11% Al content. Cold deformation of 10 and 20% degrees and selected heat treatments were used on the cast alloy to influence its mechanical properties. The selected heat treatments are solution heat treat- ment, normalising, and ageing. The results showed that normalising gave the optimum mix of tested mechanical proper- ties with ultimate tensile strength in the range of 325 MPa, elongation of around 60% and Rockwell hardness values of 46.5 - 63.7 HRc, making this alloy suitable as alternatives to steel in low/medium strength structural applications.

Share and Cite:

U. Donatus, J. Omotoyinbo and I. Momoh, "Mechanical Properties and Microstructures of Locally Produced Aluminium-Bronze Alloy," Journal of Minerals and Materials Characterization and Engineering, Vol. 11 No. 10, 2012, pp. 1020-1026. doi: 10.4236/jmmce.2012.1110105.

Conflicts of Interest

The authors declare no conflicts of interest.


[1] C. Vin, “Aluminium Bronzes Part I & II. Metallurgy of Copper and Copper Alloys,” Copper Development Association, 2002.
[2] J. A. Wharton, R. C. Barik, G. Kear, R. J. K. Wood, K. R. Stokes and F. C. Walsh, “The Corrosion of Nickel-Alu- minium Bronze in Seawater,” Corrosion Science, Vol. 47, No. 12, 2005, pp. 3336-3367.
[3] D. N. J. William, “Metallurgy of Copper Based Alloys,” Copper Development Association, Inc., 2010, pp. 1-3.
[4] Copper Development Association, “Aluminium Bronze Alloys for Industry,” Copper Development Association publications, 1986.
[5] Copper Development Association, “Welding of Alumin- ium Bronzes,” Copper Development Association publica- tions, 1988.
[6] C. B. J. Lawrence and K. S. Vimod, “Aluminium Bronze Alloys to Improve the System Life of Basic Oxygen and Electric Arc Furnace Hoods, Roofs and Side Vents,” Final Report, US Department of Energy (DOE), 2006. doi:10.2172/896794
[7] Copper Development Association, “Designing Alumin- ium Bronze Castings,” Engineering, Vol. 223, No. 8, 1983, pp. 1-7.
[8] W. H. Norman, “Aluminium Bronze,” Henley’s Twentieth Century Formulas Recipes Processes Encyclopedia, 2009, pp. 1-2.
[9] Copper Development Association, “Equilibrium Dia- grams; Selected Copper Alloy Diagrams Illustrating the Major Types of Phase Transformations,” Publication Number 94, 1992.
[10] K. Masao and U. Shoji, “The Structure of Copper-Alu- minium-Nickel-Iron Quaternary Cast Alloys,” Transactions of JIM, Vol. 1, No. 2, 1960, pp. 103-107.
[11] A. A. Hussein, “Structure-Property-Relationships in Dual Phase Cu-Al Alloys,” Metallurgical and Materials Trans- actions A, Vol. 13, No. 5, 1982, pp. 837-846. doi:10.1017/CBO9780511810930.005
[12] G. Eli and B. Menachem “Phase Transformation in Per- manent-Mould-Cast-Aluminium Bronze”. Journal of Ma- terials Science, Vol. 23, No. 10, 1988, pp. 3558-3562. doi:10.1007/BF00540495
[13] W. F. Horsford, “Mechanical Behaviour of Materials,” Cambridge University Press, New York, 2005, pp. 39-67.
[14] D. R. Askeland and P. P. Phule, “The Science and Engi- neering of Materials,” International Student Edition, Bill Stenquist, Nelson, 2006, pp. 514-515.

Copyright © 2024 by authors and Scientific Research Publishing Inc.

Creative Commons License

This work and the related PDF file are licensed under a Creative Commons Attribution 4.0 International License.