FIELD: metallurgy.
SUBSTANCE: method implies following: high melting particles of alloyed material of size not less, than 0.2mm are put into mould at ambient temperature in air medium, and after pouring them with aluminium melt mould is heated to temperature exceeding aluminium liquidus temperature by 20-30 °C, placed into vacuum chamber for degassing; further, vacuum chamber is filled with atmospheric air, mould is cooled ensuring aluminium melt flowing into porous between high melting particles of alloying material.
EFFECT: reduction of alloy cost and increased safety of production process.
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Authors
Dates
2008-10-27—Published
2006-12-20—Filed