FIELD: powder metallurgy, namely lubricating matters for semihot pressing of metallurgical powdered compositions. SUBSTANCE: lubricating matter includes as polymer polyether, aromatic or partially aromatic, with mean mol. mass 5000 - 50000 in quantity 50 - 100 mass%. Composition includes iron-base metallic powder, lubricating matter, bonding agent, additives for enhancing technological properties, solid phases, plasticizing agent, thermoplastic materials, alloying elements. Method comprises steps of mixing metallurgical powder composition; preliminarily heating it until preset temperature; pressing for making pressed article in preliminarily heated press-mold; sintering pressed article. EFFECT: enhanced strength of non-sintered material and sintered products, high density of products. 14 cl, 1 tbl
Authors
Dates
2003-11-20—Published
1998-12-01—Filed