In a message dated 6/22/00 8:54:57 AM EST, [email protected] writes: << 'm not sure that the two can be compared Roger. I imagine that having too high a frequency across submerged electrodes would impede the dissolution of the silver, as the ions would be sucked back onto it in short order, if they managed to escape at all (pure speculation). In your situation, plasma arc, I think the opposite is true. The frequency would serve to moderate what could otherwise be uncontrolled melting of the electrode and inferior outcomes. I have welded stainless steel for years using the gas tungsten arc method, and my present welder has a pulse feature adjustable to 10KHz (I think) and this is used to control the amount of heat entering the work and the size of the weld pool. Ivan >> Ivan: Very interesting point about controlled melting. If there is one thing that characterizes my HVAC sputtering process is that I have excellent melting control.
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