Performing gas tungsten arc welding (GTAW) on anodized aluminum is a bit like trying to poke a hole in a sheet of ice without disturbing the water underneath. In this case, the ice is the hard layer ...

Q: I bought some anodized 6061-T6 tubing to make a structural framework and I’m having trouble welding it. The welds are black and ugly. Can you help? A: I think I can help. First, it would be helpful ...

This article is Part 2 of Welding Digest's series on aluminum welding. Read Part 1 here. Fluidity, the reciprocal of viscosity, is the ability of a substance to flow easily. At the melting point, ...