Posted by bjb in Tx from Ne on November 23, 2010 at 14:08:03 from (141.197.12.183):
In Reply to: Aluminum Welding! posted by Murray Hebblethwaite on November 23, 2010 at 13:51:23:
From a fracture mechanics standpoint, I would go grind and polish all the welds to minimize the crack size. Aluminum usually has very poor characteristics normally when it comes to cyclic fatigue (ie going down the road) and some of those welds look like they could start cracking quickly. I would make sure you inspect ALL the welds very carefully before and after each use. I would especially be worried about the quality of those welds on the tongue as the trailer flexes going down the road.
bjb- EIT in structural engineering MS UT at Austin BS UN at Omaha
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