METHOD OF PRODUCING ARTICLE FROM FOAMED ALUMINIUM-BASED COMPOSITE MATERIAL Russian patent published in 2012 - IPC B22F3/11 C22C1/08 

Abstract RU 2444417 C1

FIELD: process engineering.

SUBSTANCE: invention relates to powder metallurgy, particularly, to production of articles from foamed aluminium-based laminar composite material. Powder mix produced by mixing aluminium allow powder with porophore is used to make solid billet. The latter is placed in dielectric material foaming mould retaining geometry and sizes in thermal treatment. Said mould is heated, billet is foamed in air to produce target article, and mould with foamed article is cooled down. Billet is heated in foaming by induction at useful specific heating power of 20-40 kW per 1 kg of billet weight. Cooling of foamed article to solidus temperature is carried out at the rate of 100-250°C/min.

EFFECT: higher mechanical properties, reduced electric power consumption.

6 cl, 2 ex

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RU 2 444 417 C1

Authors

Kolerov Vladimir Sergeevich

Mantsevich Nikolaj Markovich

Dates

2012-03-10Published

2010-08-11Filed