Evaluation of deep drawability of flame- retardant magnesium alloy sheets

The deep drawability of flame-retardant Amca602 magnesium alloy sheets (aluminum, 6.5%; zinc, 0.08%, manganese, 0.32%; calcium, 2.1%) was investigated. Firstly, fundamental mechanical properties were obtained by performing uniaxial tension tests in the range of temperatures of 160–320°c. The tensile...

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Bibliographic Details
Published in:International journal of safety and security engineering 2019-06, Vol.9 (2), p.182
Main Authors: Minami, Akihiro, Tamura, Hirokazu, Sakamoto, Hidetoshi, Ohbuchi, Yoshifumi, Marumo, Yasuo
Format: Article
Language:English
Subjects:
Aluminum
Computer simulation
Deep drawing
Drawability
Finite element method
Flame retardants
Magnesium alloys
Magnesium base alloys
Manganese
Mechanical properties
Metal sheets
Simulation
Strain distribution
Stress concentration
Tension tests
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Summary:The deep drawability of flame-retardant Amca602 magnesium alloy sheets (aluminum, 6.5%; zinc, 0.08%, manganese, 0.32%; calcium, 2.1%) was investigated. Firstly, fundamental mechanical properties were obtained by performing uniaxial tension tests in the range of temperatures of 160–320°c. The tensile velocity was 0.5, 5 or 50 mm/min. Next, in deep-drawing tests, the temperature and punch velocity were changed, and a punch with a diameter of 10 mm was used. The experimental temperature was changed in the range from 240 to 340°c in increments of 20°c, and the punch velocity was 0.1, 0.5, 1.0 or 1.5 mm/s. Deep drawability improved as the temperature increased. The optimum deep- drawing temperature was found to be 320°c. A numerical simulation of deep drawing was conducted by finite element method for examining stress and strain distribution around breaking location. The experimental results and numerical simulation results were in relatively good agreement. A maximum deep-drawing depth was also obtained in the experiments and simulation.
ISSN:2041-9031
2041-904X
DOI:10.2495/10.2495/SAFE-V9-N2-182-191