Manufacturing Technology 2014, 14(2):199-206 | DOI: 10.21062/ujep/x.2014/a/1213-2489/MT/14/2/199

Capacitor Discharge Welding of Aluminium Studs

Tomáš Kramár1, Ladislav Kolařík2, Marie Kolaříková2, Martin Sahul1, David Pospíšil3
1 Slovak University of Technology in Bratislava, Faculty of Materials Science & Technology in Trnava, Paulinska 16, 917 24 Trnava, Slovak Republic
2 Czech Technical University in Prague, Faculty of Mechanical Engineering in Prague, Technická 4, 166 07 Prague 6, Czech Republic
3 Proweld s.r.o.., Štěpáňákova 6 Kunčice, 71900 Ostrava 19, Czech Republic

The paper deals with capacitor discharge welding of aluminum studs type AlMg3 on two different materials (aluminum sheet of the same chemical composition with a thickness of 1.5 mm, and the magnesium sheet, material AZ61 and thickness 1 mm). Influences of welding parameters on the mechanical properties of the weld joints and the creation of typical defects were examined. For assessing the quality of weld joints, a series of tests were made: micro hardness test, bend test, torque test, test of macro and microstructure and SEM analysis on the electron microscope. The results are presented in the paper including suggestions for welded joints of required quality.

Keywords: Aluminum Alloy; Magnesium Alloy; Stud; Stud Welding

Published: June 1, 2014  Show citation

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Kramár T, Kolařík L, Kolaříková M, Sahul M, Pospíšil D. Capacitor Discharge Welding of Aluminium Studs. Manufacturing Technology. 2014;14(2):199-206. doi: 10.21062/ujep/x.2014/a/1213-2489/MT/14/2/199.
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