| 摘要 |
FIELD: powder metallurgy; production of iron-based sintered alloys for manufacture of packing rings for pipe line fittings. ^ SUBSTANCE: proposed iron-based sintered alloy contains the following constituents, mass-%: copper, 25.0-35.0; nickel, 1.8-22; phosphorus, 0.01-0.02; zirconium, 0.1-0.2; boron, 0.01-0.02; the remainder being iron. ^ EFFECT: high ductility of alloy. ^ 1 tbl |
