Tensile behaviour at room and high temperatures of novel metal matrix composites based on hypereutectic Al-Si alloys
Keywords:Hypereutectic Al-Si alloys, Thixoforming process, Mechanical behavior
This work shows the improvement obtained on tensile stress at room and high temperatures of hypereutectic Al-Si alloys. These alloys are produced by a combination of spray-forming, extrusión and thixoforming process, in comparison with conventional casting alloys. Al-25%Si-5%Cu, Al- 25%Si-5%Cu-2%Mg and Al-30%Si-5%Cu alloys have been studied relating their microstructural parameters with tensile stress obtained and comparing them with conventional Al-20%Si, Al-36%Si and Al-50%Si alloys. Al-25%Si-5%Cu alloy was tested before and after semi-solid forming, in order to distinguish the different behaviour of this alloy due to the different microstructure. The properties obtained with these alloys were also related to Al-SiC composites formed by similar processes.
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How to Cite
Valer, J., Rodríguez, J. M., & Urcola, J. J. (1997). Tensile behaviour at room and high temperatures of novel metal matrix composites based on hypereutectic Al-Si alloys. Revista De Metalurgia, 33(1), 10–20. https://doi.org/10.3989/revmetalm.1997.v33.i1.874
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