ARTICLE PRODUCTION METHOD Russian patent published in 2005 - IPC

Abstract RU 2263005 C2

FIELD: powder metallurgy, namely production of hard-alloy composition materials characterized by special properties, possibly manufacture of die set members, turbine blades, members of refractory and wear resistant lining and so on.

SUBSTANCE: method comprises steps of preparing charge of exothermic powder mixture and placing it in die of press-mold; in working surface of lower base of press-mold forming gravure corresponding to predetermined shape of ready article and having gas-removal holes in recesses; arranging diaphragm between charge and gravure and applying heat insulation onto lower and(or) upper surface of said diaphragm; initiating burning reaction after which performing hot pressing of combustion products together with diaphragm.

EFFECT: manufacture of articles complex shape of their surface.

3 dwg, 3 ex

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RU 2 263 005 C2

Authors

Merzhanov A.G.

Borovinskaja I.P.

Kvanin V.L.

Balikhina N.T.

Dates

2005-10-27Published

2003-01-14Filed