Method for preventing decarburization of steel materials

Details Method for preventing decarburization of steel materials Method for preventing decarburization of steel materials

1979-02-06

1980-10-14

Kendall, Ralph S.

Metal treatment

Compositions

Heat treating

148 14, 4273837, C23D 100

Patent

active

042279453

ABSTRACT:
A method for preventing decarburization of a steel material comprising applying a mixture of SiC powder and metallic Al powder on the steel material, further applying an oxidation inhibitor thereon, and heating thus coated steel material, so as to give 30 to 500 g/m.sup.2 SiC on the steel material. The present method is particularly useful for preventing the lowering in strength of steel materials due to the surfacial decarburization.

REFERENCES:
patent: 3178321 (1965-04-01), Satterfield
patent: 3301702 (1967-01-01), Ames et al.
patent: 3421950 (1969-01-01), Frehn
patent: 3440112 (1969-04-01), Ravault
patent: 3969157 (1976-07-01), Hutterer

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