METHOD FOR MANUFACTURING PRODUCTS FROM A CHARGE BASED ON A METAL POWDER MODIFIED BY DIELECTRIC POWDERS Russian patent published in 2022 - IPC B22F3/14 

Abstract RU 2765562 C1

FIELD: powder metallurgy.

SUBSTANCE: invention relates to powder metallurgy and can be used in manufacture of products without furnace heating. A powder charge containing a metal powder modified by dielectric powders is placed in a closed die. First, the charge is compressed by compaction at the initial pressure, then an electric current is constantly passed in the longitudinal direction. The charge is then compacted by compressing at a pressure exceeding the initial one.

EFFECT: high bending strength limit and low residual porosity of the resulting products.

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RU 2 765 562 C1

Authors

Egorov Sergej Nikolaevich

Mironova Svetlana Nikolaevna

Mironova Anna Sergeevna

Egorova Rimma Viktorovna

Dates

2022-02-01Published

2020-10-20Filed