Paper Titles
Hot Compressive Deformation of Rheocast AZ31 Magnesium Alloy
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Simple Manufacturing Method for A7075 Aluminum Alloy Slurry with Fine Granules and Application to Rheo-Extrusion
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Continuous Strip Casting, Microstructure and Performance of Ag-Cu Brazing Alloy
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Optimization of the Microstructural Evolution of Al-8%Si in Cooling Slope Device
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Semisolid Forging of 7000 Series Aluminum Alloys
p.758
Thixoforging of 7075 Aluminium Alloys at High Solid Fraction
p.762
Flatness Based Inductive Reheating of A356 Billets into the Semi-Solid State
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Development of Thixoextrusion Process for 7000 Series Al Wrought Alloys
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Structural Evolution and Deformation Behavior of Extruded AZ91 with Ca Addition in the Semi-Solid State
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Semisolid Forging of 7000 Series Aluminum Alloys

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Abstract:

The achievement of lighter automotive components is an important driving force in the development and optimization of casting techniques. In this sense, semisolid forming is an emerging technology that has allowed the production of security components using aluminum alloys. The foundry alloys A356 and A357 remain, up to the present, the most used alloys for the semisolid processing of components. Nevertheless, several authors have pointed out the gain in properties that other alloy families could provide. In the present work, thixoformability of 7000 series aluminum alloys is studied. Thermodynamic calculations (CALPHAD method) and calorimetric experiments have been performed to determine the composition of alloys with an optimum process window. A modification of the 7075 alloy is proposed in order to improve its thixoformability parameters and optimize the process control. A simple component has been produced by semisolid forging and mechanical properties have been measured from tensile samples.

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Periodical:

Solid State Phenomena (Volumes 116-117)

Pages:

758-761

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.116-117.758

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Online since:

October 2006

Authors:

Zigor Azpilgain, Inaki Hurtado, R. Ortubay, I. Landa, J. Atxa

Keywords:

Aluminium Alloy, Differential Scanning Calorimetry (DSC), Mechanical Property, Semi-Solid Forging, Thermodynamic Calculations

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© 2006 Trans Tech Publications Ltd. All Rights Reserved

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