nitrox

Etymology

Definitions

1. 1

   An industrial process for case hardening (imparting greater surface hardness to) metal…

   An industrial process for case hardening (imparting greater surface hardness to) metal objects, involving nitrocarburizing (the diffusion of carbon and nitrogen into the metal) followed by oxidation.

   • The ‘nitrox’ process basically supplies the surface hardness of the sursulf process, which is essentially carbonitriding, and then oxidizes it. The oxide is adherent and thus considerably increases the corrosion resistance.
   • Two other materials-based approaches may be employed in the present invention. One is to use highly doped glass (with boron or phosphorus) or plasma nitride (otherwise known as nitrox) as the inter-metal layer insulator.
   • Carbonitriding processes are typically conducted in either a gas (ammonia) or a salt bath based on trade names such as Tufftride, Nitrotec, and Nitrox. Alternatively, a plasma nitriding process may be conducted.
2. 2

   A mixture of nitrogen and oxygen, the nitrogen content being lower than that of normal…

   A mixture of nitrogen and oxygen, the nitrogen content being lower than that of normal air, which is used in place of air as a breathing gas.

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