Abstract
In the automobile industry, the reduction of the overall weight of vehicles faced a global challenge in terms of achieving better fuel economy and reducing the co2 emission levels. Aluminum alloys are widely used in the automotive industry due to their high strength to weight ratio than steel. In recent years, high strength aluminum alloy sheets are used in the aeronautical and automotive industries for constructing body structures. However, joining this high-strength aluminum alloy during mass production is difficult by using conventional welding processes. The family of intense energy welding like plasma arc welding, electron beam welding, and laser beam welding is generally employed to weld the high-strength aluminium alloys. This study aims in evaluating and selecting the best intense energy welding process to produce high strength aluminum alloy joints for automotive application by using the Analytical Hierarchical Process (AHP). Thus, the proposed AHP model was also verified with SuperDecision v3.2 software.
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