LUBRICATING MATTER FOR METALLURGICAL POWDERED COMPOSITIONS Russian patent published in 2003 - IPC

Abstract RU 2216432 C2

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

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RU 2 216 432 C2

Authors

Storstrem Khel'Ge

Vidarsson Khil'Mar

Dates

2003-11-20Published

1998-12-01Filed