| 摘要 |
FIELD: metallurgy; production of gray cast iron. ^ SUBSTANCE: proposed modifying agent contains the following components, mass-%: silicon, 30.0-40.0; aluminum, 8.0-12.0; calcium, 4.0-8.0; barium, 4.0-8.0; strontium, 6.0-10.0; boron, 6.0-10.0; the remainder being iron. ^ EFFECT: improved quality of cast iron due to enhanced hardness in thin-walled castings. ^ 1 tbl |
