FEM SIMULATION OF NON-AXISYMMETRIC STRETCH FLANGE FORMING OF ALUMINUM ALLOY ۵۰۵۲ BASED ON SHELL TYPE ELEMENTS
Publish Year: 1396
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_IJMSEI-14-4_007
تاریخ نمایه سازی: 24 مرداد 1402
Abstract:
Finite element simulation of stretch flanging process was carried out in order to investigate the effect of process parameters on maximum thinning (%) in stretch flanging process. Influences of initial flange length, punch die clearance, width of sheet metal blank and blank holding force were investigated on maximum thinning (%). Finite element simulation was done using FEM software package ABAQUS. Sheet metal blanks of AA ۵۰۵۲ were utilized for numerical simulation of stretch flanging process. Mesh convergence study was carried out to ascertain the accuracy of present FEM model. It is found that circumferential strain and shell thickness decreases with decrease in initial flange length and punch-die clearance while both decreases with increase in blank-holding force. Radial strain increases with decrease in initial flange length and punch-die clearance and with increment in blank-holding force and width of sheet. It is found that width of sheet metal blank and blank holding force have greater influence on maximum thinning (%) as compared to initial flange length and punch die clearance.
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Authors
Y. Dewang
Department of Mechanical Engineering, Lakshmi Narain College of Technology Bhopal, India
M.S. Hora
Department of Civil Engineering,MANIT,Bhopal
S.K. Panthi
CSIR- Advanced Materials and Processes Research Institute (CSIR-AMPRI) Bhopal, India
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