This is a close-up view of porosity in a TIG weld. We will examine some of the causes for weld porosity and ways to prevent it. Q.When I TIG-weld a patch panel into an old car and then grind the weld ...

Q My friend had to modify his oil pan to clear the oil pump, so I fabricated an extension on the bottom of his pan using 1/16-inch steel plate, and then I TIG-welded it all together. Next, I filled ...

In the manufacture of heat exchanger components for aircraft, it was found that using the pulsed TIG method to weld the inlet and return manifolds was giving excessive porosity. Consequently an ...

Mixed farmer Richard Archer has spent more than 35 years teaching the agricultural fraternity to weld, which makes him more than qualified to give advice on arc welding to help farmers polish up their ...

Solving one problem can create another. Safety always comes first. Amid competitive bidding, contract deadlines and the general drive to gain the best productivity and quality, welding operations in ...