METHOD OF PRODUCTION OF COMBINED CERMET DIFFUSION SURFACE PLY IN PRODUCTION OF PARTS AND ARTICLES OF UNIQUE WEAR AND OPERATING PROPERTIES PRODUCED BY THERMOCHEMICAL SYNTHESIS Russian patent published in 2015 - IPC C21D1/20 C21D1/60 

Abstract RU 2560800 C2

FIELD: process engineering.

SUBSTANCE: invention relates to thermal processing of steel parts. To ensure hardness, strength and preset mechanical properties, the parts are subjected to isothermal quenching in appropriate water-based medium. Said medium contains particles of ground mineral salt fractions. Then, ceramic diffusion ply is formed on steel part surface by adiabatic variation of steel lattice and structure via substitution of iron atoms with magnesium atoms and said particles of minerals. Said particles can diffuse in steel part surface ply.

EFFECT: non-aggressive safe solution.

3 cl

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RU 2 560 800 C2

Authors

Kostjuchenko Anatolij Vital'Evich

Chernoskutov Jurij Nikolaevich

Dates

2015-08-20Published

2013-12-27Filed