can aluminium be welded?if so say the type used for it?
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Answer Posted / gurmeet singh
YEs, we can weld aluminium By TIG welding process. But the
difficulty in welding aluminium is teh oxide layer barrier
over the aluminium. Firstly we have to remove this oxide
layer, which is not possible by brushing. So, we uses
Reverse polarity welding power source. Which alternately
breaks the oxide layer and welding is done
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