Evaluation Of Four Welding Arc Processes Applied To 6061 Aluminium Alloy

At a time when greenhouse gas emissions must be reduced, the use of the aluminium alloys is expanding, in particular in the transportation industry. In order to extend the possibilities of aluminium assembly design, new Metal Inert Gas (MIG) welding processes have been conceived. They work at lower...

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Bibliographic Details
Main Authors: Benoit, A., Laboratoire de Genie des Materiaux et Procedes Associes, Paillard, P., Baudin, T., CNRS, Orsay, F-91405, Jobez, S., Castagne, J.-F.
Format: Conference Proceeding
Language:English
Subjects:
ALLOYS
ALUMINIUM
ALUMINIUM ALLOYS
ARC WELDING
CHEMICAL ANALYSIS
COMPARATIVE EVALUATIONS
COOLING
DESIGN
ELEMENTS
EMISSION
EVALUATION
FABRICATION
GREENHOUSE GASES
HARDNESS
HEAT AFFECTED ZONE
INDUSTRIAL RADIOGRAPHY
JOINING
JOINTS
MATERIALS SCIENCE
MATERIALS TESTING
MECHANICAL PROPERTIES
METALLOGRAPHY
METALS
NONDESTRUCTIVE TESTING
TESTING
WELDED JOINTS
WELDING
X-RAY RADIOGRAPHY
ZONES
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Summary:At a time when greenhouse gas emissions must be reduced, the use of the aluminium alloys is expanding, in particular in the transportation industry. In order to extend the possibilities of aluminium assembly design, new Metal Inert Gas (MIG) welding processes have been conceived. They work at lower temperatures than usual arc processes (classic MIG or Tungsten Inert Gas). This study compares four arc welding processes, applied to the 6061 aluminium alloy. These four weld processes have been studied through the metallurgical analysis of the weld beads. Metallography, micro-hardness testings, X Ray radiography have been carried out on the produced weld beads. The processes are classified according to the quality of the beads like geometry of beads, size of the heat affected zone and presence of defects.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.3552556