Aluminum alloys are increasingly used in automotive manufacturing to save weight. The drawability of Al 5182-O has been proven at room temperature (RT) and it is also shown that formability is further enhanced at elevated temperatures (ETs) in the range of 250–350 °C. A cost effective application of ET forming of Al alloys can be achieved using heated blank and cold dies (HB–CD). In this study, the material behavior of Al 5182-O is characterized using tensile test and viscous bulge test at RT. The nonisothermal finite element model (FEM) of deep drawing is developed using the commercial software pamstamp. Initially, deep drawing simulations and tests were carried out at RT using a 300 ton servo press, with a hydraulic cushion. The predictions with flow stress curves obtained from tensile and bulge tests were compared with experimental data. The effect of punch speed and temperature rise during forming at RT is investigated. The warm forming simulations were carried out by combining material data at ETs obtained from the literature. The coupled effects of sheet temperatures and punch speeds are investigated through the finite element analysis (FEA) to provide guidelines for ET stamping of Al 5182-O.
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October 2015
Research-Article
Forming of Al 5182-O in a Servo Press at Room and Elevated Temperatures
Long Ju,
Long Ju
School of Mechanical Engineering,
University of Science and Technology Beijing,
30 Xueyuan Road,
Haidian, Beijing 100083, China
e-mail: ju.64@osu.edu
University of Science and Technology Beijing,
30 Xueyuan Road,
Haidian, Beijing 100083, China
e-mail: ju.64@osu.edu
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Shrinivas Patil,
Shrinivas Patil
Aida-America Corporation,
7660 Center Point 70 Boulevard,
Dayton, OH 45424
e-mail: spatil@aida-america.com
7660 Center Point 70 Boulevard,
Dayton, OH 45424
e-mail: spatil@aida-america.com
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Taylan Altan
Taylan Altan
Center for Precision Forming,
The Ohio State University,
339 Baker Systems,
1971 Neil Avenue,
Columbus, OH 43210
e-mail: altan.1@osu.edu
The Ohio State University,
339 Baker Systems,
1971 Neil Avenue,
Columbus, OH 43210
e-mail: altan.1@osu.edu
Search for other works by this author on:
Long Ju
School of Mechanical Engineering,
University of Science and Technology Beijing,
30 Xueyuan Road,
Haidian, Beijing 100083, China
e-mail: ju.64@osu.edu
University of Science and Technology Beijing,
30 Xueyuan Road,
Haidian, Beijing 100083, China
e-mail: ju.64@osu.edu
Shrinivas Patil
Aida-America Corporation,
7660 Center Point 70 Boulevard,
Dayton, OH 45424
e-mail: spatil@aida-america.com
7660 Center Point 70 Boulevard,
Dayton, OH 45424
e-mail: spatil@aida-america.com
Jim Dykeman
Taylan Altan
Center for Precision Forming,
The Ohio State University,
339 Baker Systems,
1971 Neil Avenue,
Columbus, OH 43210
e-mail: altan.1@osu.edu
The Ohio State University,
339 Baker Systems,
1971 Neil Avenue,
Columbus, OH 43210
e-mail: altan.1@osu.edu
1Corresponding author.
Contributed by the Manufacturing Engineering Division of ASME for publication in the JOURNAL OF MANUFACTURING SCIENCE AND ENGINEERING. Manuscript received January 8, 2015; final manuscript received March 26, 2015; published online September 4, 2015. Assoc. Editor: Yannis Korkolis.
J. Manuf. Sci. Eng. Oct 2015, 137(5): 051009 (7 pages)
Published Online: September 4, 2015
Article history
Received:
January 8, 2015
Revision Received:
March 26, 2015
Citation
Ju, L., Patil, S., Dykeman, J., and Altan, T. (September 4, 2015). "Forming of Al 5182-O in a Servo Press at Room and Elevated Temperatures." ASME. J. Manuf. Sci. Eng. October 2015; 137(5): 051009. https://doi.org/10.1115/1.4030334
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