| 摘要 |
FIELD: metallurgy. ^ SUBSTANCE: contact strip manufacturing composition includes the following, wt %: electrographite 67-75, calcined coke 5-12, phenolformaldehyde resin 11-20, zinc stearate 0.5-2.0, polytetrafluoroethylene 0.5-8, and additionally copper nanopowder 0.5-2. ^ EFFECT: improving the strength of contact strips. ^ 1 ex, 1 tbl |
