Method for treating surfaces

Details Method for treating surfaces Method for treating surfaces

1981-06-16

1983-08-23

Silverberg, Sam

Metal treatment

Compositions

Heat treating

427431, B44D 512

Patent

active

044002220

ABSTRACT:
A method for treating surfaces is provided, in which a material to be treated, such as iron, iron alloys or the like is immersed in a molten bath prepared by adding 5 to 50 weight % of a metal cementing agent consisting of one or more selected from the group consisting of a Group Va element, a substance containing the Group Va element, a Group VIa element and a substance containing the Group VIa element to a salt bath agent consisting of a neutral salt containing 5 to 30 mol % of a borate admixed therewith, to form the carbide of the Group Va element or Group VIa element or the composite carbide of these elements on the surfaces of the material. To the molten bath there may be optionally added 1 to 10 weight % of an adjuvant consisting of one or more selected from the group consisting of the oxysalts of the Groups IVa, Va and VIa elements and/or 1 to 10 weight % of a metal or an alloy thereof selected from the group consisting of a Group IVa metal and an alloy thereof.

REFERENCES:
patent: 3719518 (1973-03-01), Komatsu et al.
patent: 3885059 (1975-05-01), Komatsu et al.
patent: 3930060 (1975-12-01), Komatsu et al.
patent: 4202705 (1980-05-01), Komatsu et al.

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