MADM-Based Approach for Selection of Welding Process for Aluminum Tube Manufacturing
Traditionally, some of the alternative processes for manufacturing welded tubes have been high-frequency (HF) alternating current resistance welding and tungsten inert gas (TIG) welding. Recently, the laser welding (LW) is also emerging as a potential process owing to reduction in its cost. The HF electric resistance welding gained wider popularity and is almost always used without any second thoughts for manufacturing aluminum tube industry. A scientific examination of the decision criteria may make a way for systematic consideration and justification of newer technological developments to reap competitive advantages. This paper presents the use of analytic hierarchy process (AHP) and modified AHP to justify the selection of suitable welding technique for welded tube manufacturing.
KeywordsWelded tubes AHP Welding processes Multiple attributes
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