Gordon England Surface Engineering Forum



chromium oxide coating


Posted by jaywant trimbak choure on June 21, 2003 at 16:27:24:

Dear sir,
I am in filaments making factory ,
For winding tungsten on Molybdenum we need circular pipe shaped cylinder . the internal diametere is 95 mm and length is 40 mm . Due to abrasion of tunsten at 30000 RPM on internal surface , the coating gets scratches within months time . Which damamges our product . Would you please specify the correct powder and the method for coating the internal diameter to have more life .


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