METHOD OF METALLIC ARTICLE NITROCEMENTATION Russian patent published in 1994 - IPC

Abstract RU 2020188 C1

FIELD: chemical technology. SUBSTANCE: method involves addition of carbamide (4.5-13.5 g / 1 l free volume of converter) into sealed converter following by treatment of carbamide pyrolysis products in atmosphere at temperature 540-620 C. EFFECT: improved method of nitrocementation. 2 tbl

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RU 2 020 188 C1

Authors

Аvilov В.I.

Fishtejn В.М.

Stepanov М.S.

Grigorov Р.К.

Кarpenko В.G.

Сhub S.N.

Dates

1994-09-30—Published

1990-02-08—Filed