Development of an Aluminium Alloy for Cast Automotive Cylinder Heads 811406
In-service conditions in aluminium automotive cylinder heads and, particularly the wear mechanisms which pertain during their operation, were studied and an alloy designed to best withstand these conditions.
The alloy is basically a hypereutectic Aℓ-Si-Ni-Cu alloy but solidified in such a way as to obtain a fully eutectic microstructure. Other elements are also included in the composition in order to dispersion harden the alpha-aluminium phase. The alloy can be used in the as-cast or heat-treated condition and is shown to have excellent wear and strength properties, at ambient and elevated temperatures.
It also has other enhanced properties, including castability, machinability and corrosion resistance, which make the alloy potentially suitable for a number of automotive applications.
Citation: Smith, D., Eady, J., and Bennett, G., "Development of an Aluminium Alloy for Cast Automotive Cylinder Heads," SAE Technical Paper 811406, 1981, https://doi.org/10.4271/811406. Download Citation
Author(s):
David M. Smith, John A. Eady, Graeme D. Bennett
Affiliated:
Comalco Research Centre Thomastown, Victoria, Australia
Pages: 8
Event:
International Pacific Conference on Automotive Engineering
ISSN:
0148-7191
e-ISSN:
2688-3627
Also in:
Motor Vehicle Technology in the 80S-Needs and Resources-P-098, SAE 1981Transactions-V90-A
Related Topics:
Casting alloys
Alloys
Engine cylinders
Corrosion
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