| 摘要 |
FIELD: powder metallurgy, iron-base materials used as large-current sliding contacts, in friction assemblies operating at high temperature. ^ SUBSTANCE: iron base material containing graphite and glass phase according to invention also contains copper and lead borosilicate glass as glass phase at next relation of ingredients, mass %: graphite, 1 -3; copper, 0.1 -5; lead borosilicate glass, 1 - 7; iron, the balance. ^ EFFECT: lowered intensity of wearing powder material, reduced friction coefficient of material. ^ 1 tbl, 3 ex |
