RT Journal Article
SR Electronic
A1 Kovanda, Karel
A1 Holub, Lukáš
A1 Kolařík, Ladislav
A1 Kolaříková, Marie
A1 Vondrouš, Petr
T1 Experimental Verification of FEM Simulation of GMAW Bead on Plate Welding
JF Manufacturing Technology Journal
YR 2012
VO 12
IS 1
SP 30
OP 33
DO 10.21062/ujep/x.2012/a/1213-2489/MT/12/1/30
UL https://journalmt.com/artkey/mft-201201-0007.php
AB The research focuses on verification of FEM simulation of GMAW bead on plate welding with experimental results. In the program Visual Environment simple FEM simulation of GMAW bead on plate welding on Al alloy EN AW 7022 was created and these simulation data were compared with measured experimental data. To create good FEM model setting of heat source and material parameters are of great importance. To set parameters of heat source measurement of welding parameters, metallographic sample, weld bead and end crater was experimentally done. During experiment, temperature was measured by several thermocouples and measured temperature was compared with simulation data. The difference of measured and simulated data was at maximum only 10°C and we can conclude that this result is very good. Simulations that obtain results close to reality are very useful for designing welded constructions. Designing from using precipitation hardenable Al alloys, e.g. series 7xxx, materials prone to softening, when welded, can be thus made easier and safer using simulation software.