Powder material FMK-11

Designation

Name The value
Designation GOST Cyrillic ФМК-11
Designation GOST Latin FMK-11
Transliteration FMK-11
By chemical elements PCuCo-11

Description

Powder material FMK-11 is used: for the manufacture of parts designed to work in brakes, friction clutches and other friction devices.

Note

Sintered powder material based on iron.
Parts is produced by powder metallurgy, by primechanie to steel base (frame) metal-ceramic friction material.

Standards

Name Code Standards
Hard alloys, ceramic-metal products and metal powder В56 OST 1 90115-74

Chemical composition

Standard C S Si Fe Cu
OST 1 90115-74 6.5-8 0.5-1 1-2 Rest 14-16
Fe is the basis.
In addition to the components specified for OST 1 90115-74, asbestos is present in the cermet composition in the amount of 2.00-3.50%.

Technological properties

Name The value
Particularities of production of goods Frames parts with metal-ceramic friction material brand FMK-11 must be made of steel groups 1 and 2 or GOST 16523, GOST 4041. Allowed by agreement of the parties the production of frames for parts of the material FMK-11 of steel grade 20KH3MVF (ЭИ415) GOST 10500.
Properties of the cermet Coefficient of friction - 0,256-0,294; Stability coefficient of friction - not less than 0,77; the rate of wear-metal - no more than 18.8 MK/brake; the Intensity of wear of cast iron - not more than 4.0 µg/brake; Rockwell Hardness (ball diameter 1,588 mm at a load of 60 kg) of metal to the machining - 70-95. Properties when working together with metal stamps FMK-845: Coefficient of friction - 0,241-309; Stability coefficient of friction not less than to 0.72; the wear Intensity of metal - not more than 22,0 MK/brake; wear of FMK-845 - not more than 6.0 MC/brake; Rockwell Hardness (ball diameter 1,588 mm at a load of 60 kg) of metal to the machining - 65-100.