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Old 10-05-2012, 04:34   #10
gwdex
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Location: Rhode Island
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Quote:
Originally Posted by seed View Post
Tennifer uses cyanide as a medium and is either illegal to use in the U.S. or is strictly regulated (with obvious good reason). Melonite uses a different medium and is much more common here and is probably catching on in Europe.
Tenifer and Melonite are essentially the same process, both manufactured by HEF. Both develop a small amount of cyanide, along with the cyanates produced in the salt bath, which create a compound layer of nitride over a diffusion zone.

Greg
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