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2 714 198

(13)

(51)

IPC

H01R41/00(2006-01-01)

H01R39/20(2006-01-01)

(21) (22)

Application

2018123254, 2018-06-26

(24)

Start date

2018-06-26

(22)

Actual filing date

2018-06-26

(45)

Published

2020-02-13

(72)

Inventor

Redkin Viktor EfimovichKarpov Igor VasilevichSukhodaev Pavel Olegovich

(73)

Holder

Federalnoe Gosudarstvennoe Avtonomnoe Obrazovatelnoe Uchrezhdenie Vysshego Obrazovaniya Federalnyj Universitet"

COMPOSITE SINTERED IRON-BASED POWDER MATERIAL Russian patent published in 2020 - IPC H01R41/00 H01R39/20

Abstract RU 2714198 C2

FIELD: metallurgy.

SUBSTANCE: invention relates to powder metallurgy, particularly, to production of composite sintered powder materials intended for use in electric transport mainly as contact inserts of municipal electric transport (trolleybuses). Composite sintered powder material based on iron contains copper (10–15 %), lead (8–10 %), natural graphite (3 %), ultradispersed diamond-graphite powder UDP-AG (0.1–0.2 % of total weight of lead), the rest is iron.

EFFECT: invention improves antifriction and operational characteristics.

1 cl

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RU 2 714 198 C2

Authors

Redkin Viktor Efimovich

Karpov Igor Vasilevich

Sukhodaev Pavel Olegovich

Dates

2020-02-13—Published

2018-06-26—Filed