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Carl wrote "You can get copper-tungsten alloy which is about as robust
as tungsten"
Interesting ....... I don't know if different proportions of the
elements within them affect their wear resistance, but mine (3/8")
ablate noticeably compared to the flying Tungsten ones. I'm using the
Cu/W ones as the fixed electrodes on a RSG around 7 to 8kW normally.
They are nice to machine though or even cut with a handsaw, but worth
the expense** ? Well from my own experience on a SRSG at medium power
levels, I'd say no. ( ** imported from US so dearer in the UK)
Regards Phil www.hvtesla.com
On 19/08/17 20:34, Carl Noggle wrote:
You can get copper-tungsten alloy which is about as robust as tungsten