Effect of Electrode Negative Ratio in AC MIG Welding of Aluminium Alloy 6082 on the Microstructure and Properties of Heat Affected Zone

Author:

Adamiec Janusz1,Pfeifer Tomasz2

Affiliation:

1. Silesian University of Technology

2. Institute of Welding

Abstract

The article presents the innovative MIG welding technology using variable polarity AC and reveals the results following the investigation of the impact of the EN ratio on the structure and HAZ width of overlay welds.

Publisher

Trans Tech Publications, Ltd.

Subject

Condensed Matter Physics,General Materials Science,Atomic and Molecular Physics, and Optics

Reference8 articles.

1. T. Pfeifer, Research on MIG welding conditions of aluminium alloys – pulsed current robotic welding, Institute of Welding research work no. Af-3/(2003).

2. J. Matusiak, T. Pfeifer, Aspect of low energy welding of aluminium alloys and its influence on fumes emission, Institute of Welding research work no. Dc-17/(2008).

3. J. Rykała, T. Pfeifer, Research on technological conditions of pulsed MIG aluminium welding, research on brazing of titanium alloys and development of braze alloys, Institute of Welding research work no. Dc-19/(2009).

4. J. Rykała, J. Niagaj, Research on the mechanical and structural properties of high strength aluminium alloys joints welded using CMT method, Institute of Welding research work no. Ae-6/2/(2011).

5. J. Adamiec, T. Pfeifer, J. Rykała, Modern methods of aluminum alloys welding, Solid St. Phenom. 176 (2011) 35-36.

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