| 摘要 |
FIELD: metallurgy. ^ SUBSTANCE: invention concerns metallurgy. Particularly it concerns content of ligatures used for processing of gray cast iron. Ligature contains, wt %: silicon 10.0-15.0; calcium 2.0-3,0; barium 2.0-3.0; cerium 3.0-7.0; lanthanum 2.0-3.0; niobium 5.0-7.0; vanadium 2.0-3.0; zirconium 5.0-7.0; boron 2.0-3.0, aluminium 10.0-15.0; cobalt 20.0-25.0; sodium 0.05-0.1; iron - the rest. ^ EFFECT: increasing of cast iron ultimate strength at tension for 4-5%. ^ 1 tbl |
