An assessment of the grain structure evolution during hot forward extrusion of aluminum alloy 7020
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An assessment of the grain structure evolution during hot forward extrusion of aluminum alloy 7020. / Foydl, A.; Ben Khalifa, N.; Brosius, A. et al.
Advances on hot extrusion and simulation of light alloys: selected, peer reviewed papers from the International Conference on Extrusion and Benchmark (ICEB). Hrsg. / A. Erman Tekkaya; Noomane Ben Khalifa. Band 424 Trans Tech Publications, 2010. S. 35-41 (Key Engineering Materials; Band 424).Publikation: Beiträge in Sammelwerken › Aufsätze in Konferenzbänden › Forschung › begutachtet
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TY - CHAP
T1 - An assessment of the grain structure evolution during hot forward extrusion of aluminum alloy 7020
AU - Foydl, A.
AU - Ben Khalifa, N.
AU - Brosius, A.
AU - Tekkaya, A. Erman
PY - 2010
Y1 - 2010
N2 - 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.
AB - 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.
KW - Aluminum
KW - Extrusion
KW - Finite element analysis
KW - Microstructure
KW - Engineering
UR - http://www.scopus.com/inward/record.url?scp=75749149393&partnerID=8YFLogxK
U2 - 10.4028/www.scientific.net/KEM.424.35
DO - 10.4028/www.scientific.net/KEM.424.35
M3 - Article in conference proceedings
AN - SCOPUS:75749149393
SN - 0878493026
SN - 9780878493029
VL - 424
T3 - Key Engineering Materials
SP - 35
EP - 41
BT - Advances on hot extrusion and simulation of light alloys
A2 - Tekkaya, A. Erman
A2 - Ben Khalifa, Noomane
PB - Trans Tech Publications
T2 - International Conference on Extrusion and Benchmark - 2009
Y2 - 16 September 2009 through 17 September 2009
ER -