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Microstructural Analysis and Tensile Properties of Squeeze Cast Al-7%Mg Alloy

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Abstract:

Squeeze casting is one of the modern casting processes, which was invented to address these shortcomings and has a high potential to produce sound casting alloys. Magnesium Alloys are the lightest structural alloys commercially available and have great potential for applications in aerospace and automobile industries. In this article, the influence of pressure variation on the microstructure and defects formation in the Al-7%Mg alloy during squeeze casting process was studied. It was observed that a small external pressure of 20 MPa promoted structural refinement and a significant increasing in the ultimate tensile strength. This improvement in structure and properties is attributed to increasing in the cooling rate during squeezing.

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Info:

Periodical:

Materials Science Forum (Volume 643)

Pages:

119-123

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.643.119

Citation:

Cite this paper

Online since:

March 2010

Authors:

Crystopher Cardoso De Brito, Fabrício Dias Magalhães, André Luiz de Morais Costa, Cláudio Alves Siqueira

Keywords:

AlMg, Mechanical Property, Microstructure, Squeeze Casting

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