Optimization of Material Properties and Process Parameters for Tube Hydroforming of Aluminum Extrusions

Analysis of process optimization for hydroforming of central-bulge and T-branch from AA6063 tubes is conducted for W-temper and T4 heat-treated conditions. Systematic characterization of AA6063 mechanical properties as a function of aging time was also conducted. It was found that hydroforming in th...

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Veröffentlicht in:Journal of engineering materials and technology 2007-04, Vol.129 (2), p.233-241
Hauptverfasser: Loukus, Adam R, Subhash, Ghatu, Imaninejad, Mehdi
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creator Loukus, Adam R
Subhash, Ghatu
Imaninejad, Mehdi
description Analysis of process optimization for hydroforming of central-bulge and T-branch from AA6063 tubes is conducted for W-temper and T4 heat-treated conditions. Systematic characterization of AA6063 mechanical properties as a function of aging time was also conducted. It was found that hydroforming in the W temper facilitates forming of a bigger T branch (due to available greater ductility), but limits the strength (hardness) of the final component compared to that formed in the T4 condition. By optimizing the material heat-treatment conditions and the process parameters during hydroforming, strains well in excess of the traditional forming limits can be achieved in the finished components. The relevant microstructural kinetics during hydroforming of the above two geometries in the two heat treated conditions and the associated strengthening mechanisms in aluminum alloys are discussed.
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subjects Applied sciences
Exact sciences and technology
Forming
Fundamental areas of phenomenology (including applications)
Inelasticity (thermoplasticity, viscoplasticity...)
Metals. Metallurgy
Physics
Production techniques
Solid mechanics
Structural and continuum mechanics
title Optimization of Material Properties and Process Parameters for Tube Hydroforming of Aluminum Extrusions
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