| 摘要 |
FIELD: metallurgy, namely cast iron compositions. ^ SUBSTANCE: cast iron contains next relation of components, mass%: carbon, 2.3 - 2.8; silicon, 0.8 - 1.2; manganese, 0.5 - 1.0; cerium, 0.1 - 0.2; aluminum, 0.05 - 0.1; niobium, 1.6 -2.2; nitrogen, 0.05 - 0.1; iron, the balance. ^ EFFECT: enhanced bending strength of cast iron. ^ 1 tbl |
