Treating bath, forming a mixed carbide layer of Va-Group element

Details Treating bath, forming a mixed carbide layer of Va-Group element Treating bath, forming a mixed carbide layer of Va-Group element

1978-07-03

1980-05-13

Kendall, Ralph S.

Metal treatment

Compositions

Heat treating

427399, 427431, C23C 910

Patent

active

042027055

ABSTRACT:
A method and treating material are presented for forming a mixed carbide layer of Va-Group elements on the surface of a carbon-containing ferrous-alloy material. The molten bath is made by introducing one or more oxides of Va-Group elements and one or more metals or alloys of Va-Group elements (other than the elements forming the oxides) into a molten bath composed of boric acid, a borate or a mixture thereof. The mixed carbide layer formed on the surface of the article is very smooth, wear resistant and corrosion resistant.

REFERENCES:
patent: 3671297 (1972-06-01), Komatsu et al.
patent: 3719518 (1973-03-01), Komatsu et al.
patent: 3885059 (1975-05-01), Komatsu et al.
patent: 3912827 (1975-10-01), Komatsu et al.
patent: 3922405 (1975-11-01), Komatsu et al.
patent: 3930060 (1975-12-01), Komatsu et al.
Periodic Table of the Elements, Handbook of Chemistry and Physics, 54th Ed. 1973, end paper.

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