Hi, we have a process where we are pusle welding heat-treated (hardened) mild steel to pure Cobalt. The weld area is ~0.040" in diameter and we are not using a shield gas. We are, however, using two air knives in series between the weld surface and the laser optics. We have been using...
We have a process where we run pulse welds of ~40 Mil diameter spots across a Cobalt to mild steel(hardened) seam interface. At one point we had good, clean, smooth welds, but recently we are getting a large generation of soot, carbon, spitting, pitting, and slag on/around our weld interface...
Titanium and steel are both weldable by YAG, especially 2.5kW YAG. How well they weld depends on what they are... austentitic, ferric, martensitic, or duplex stainless steels. Same goes for the Titanium... what ASTM grade it is. I don't know about the compatibility of the two, but both are...
I haven't used compressed air as a washing method... mainly used to displace contaminants and dry products. Used in the form of air knives and torid shapes. One other approach you may use for cleaning is ionization. If it is very fine dust you are seeking to remove, ionizing it, then...