Designation
| Name |
The value |
| Designation GOST Cyrillic |
ФМК-8 |
| Designation GOST Latin |
FMK-8 |
| Transliteration |
FMK-8 |
| By chemical elements |
PCuCo-8 |
Description
Powder material FMK-8 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 |
Cr |
Ni |
Fe |
Cu |
W |
| OST 1 90115-74 |
5.5-6.5 |
1.3-2.3 |
8.5-10.5 |
23-27 |
Rest |
5-7 |
5-7 |
Fe is the basis.
Technological properties
| Name |
The value |
| Particularities of production of goods |
Frames parts with metal-ceramic friction material brand FMK-8 shall be made of steel groups 1 and 2 or GOST 16523, GOST 4041. |
| Properties of the cermet |
The coefficient of friction of 0, 181-0,254; the stability of the coefficient of friction of at least 0.5; the Intensity of wear of metal - not more than 17,0 MK/brake; the Intensity of wear of cast iron - 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 - 63-83. |
