A century ago, one section of Vienna played host to Adolf Hitler, Leon Trotsky, Joseph Tito, Sigmund Freud and Joseph Stalin. In January 1913, a man whose passport bore the name Stavros Papadopoulos disembarked from the Krakow train at Vienna's North Terminal station.
[â]raoulduke25Structural P.E. 9 points10 points11 points 9 months ago (5 children) A full penetration weld is one where the fused joint is completely solid with no gaps after welding. There are many ways to accomplish this, but the only thing that matters is that final product will be solid metal at the joint.
For most industrial laser welding applications in which keyhole (deep penetration) welding is required, a laser beam of several kW is focused onto the material surface with a focus spot diameter of approximately 0.004 inch (0.1 millimeter) or larger.