Ceramics once regarded as non reactive can be made slightly reactive by the use of strong acids and a great deal of electrical energy applied in a manner consistent with standard electroplating tools ...
Cold reduction is a forging operation. You take a 5/8” round rod and forge it down to a 3/8” round rod. The area in cross section of the rod has been reduced from 0.306 sq. in to 0.11 sq. in. or about ...