Ultra high temperature chemical reactions with metals

Details Ultra high temperature chemical reactions with metals Ultra high temperature chemical reactions with metals

1974-05-01

1976-03-16

Dean, R.

Metal treatment

Compositions

Heat treating

148 166, 148 203, 148 315, 148 39, 219121P, C21D 174, C22F 102

Patent

active

039444430

ABSTRACT:
A method for treating metals and metal surfaces is disclosed. The method includes the use of a plasma gas generated by an induction plasma system. In one embodiment, a cutting tool, such as a saw blade or razor blade is passed into contact with the plasma to produce an extremely hard blade surface. The method includes stabilization of the plasma prior to use, and the electrical insulating of metallic parts of the treating equipment in order to prevent arcing. Very high feed speeds may be employed, up to 150 feet per minute.

REFERENCES:
patent: 3615924 (1971-10-01), Swoboda et al.
patent: 3694618 (1972-09-01), Poole et al.
patent: 3834947 (1974-09-01), Swoboda et al.

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