An assessment of the grain structure evolution during hot forward extrusion of aluminum alloy 7020

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The current investigation is concerned with the grain structure evolution in an Al-Zn alloy (EN AW-7020) during the hot forward extrusion process. In order to analyze that, a miniature hot forward extrusion setup was designed which allows the quenching of the extrusion butt immediately after extrusion. In order to gain a better understanding of the process, the shape of the deformed grains was analyzed and the process was simulated. The shape of these grains was indentified in two directions in the different grain zones, e.g. dead metal zone and shear zone. The FE simulations showing the different grain zones were also illustrated. Simulation results and the micrographs were quite promising to find parameters for simulation models in order to predict grain sizes with the method presented in the current research work.

Original languageEnglish
Title of host publicationAdvances on hot extrusion and simulation of light alloys : selected, peer reviewed papers from the International Conference on Extrusion and Benchmark (ICEB)
EditorsA. Erman Tekkaya, Noomane Ben Khalifa
Number of pages7
Volume424
PublisherTrans Tech Publications
Publication date2010
Pages35-41
ISBN (print)0878493026, 9780878493029
DOIs
Publication statusPublished - 2010
Externally publishedYes
EventInternational Conference on Extrusion and Benchmark - 2009 - Dortmund, Germany
Duration: 16.09.200917.09.2009
https://www.researchgate.net/publication/287554354_ICEB_2009_Dortmund_International_conference_on_extrusion_and_3_rd_extrusion_Benchmark

    Research areas

  • Aluminum, Extrusion, Finite element analysis, Microstructure
  • Engineering

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