| 摘要 |
FIELD: metallurgy. ^ SUBSTANCE: cast-iron contains the following, wt %: carbon 3.0-3.4; silicium 3.0-3.4; manganese 0.2-0.3; aluminium 3.7-4.3; niobium 0.03-0.07; tungsten 4.3-5.0; iron is the rest. ^ EFFECT: increasing cast-iron thermal resistance. ^ 1 tbl |
