| 摘要 |
FIELD: metallurgy. ^ SUBSTANCE: iron contains components at following ratio, wt %: carbon 2.15-2.35; silicon 0.1-0.15; manganese 0.5-0.7; copper 0.2-0.3; cerium 0.1-0.15; aluminium 0.8-1.0; nickel 0.9-1.4; cobalt 2.7-3.3; hafnium 0.9-1.4; iron - the rest. ^ EFFECT: raised impact toughness of iron. ^ 1 tbl |
