FIELD: technological processes.
SUBSTANCE: compound mixture is prepared by means of mixing chemically reducible non-metal compound-titanium precursor and chemically reducible non-metal compound-alloying element precursor, chemical reduction of compound mixture is carried out to metal alloy without melting of specified alloy. For preparation of metal item prepared metal alloy is tightened without melting of metal alloy and without melting of tightened metal item. Alloying element is preferably thermophysically incompatible in melting with titanium. This method may also be used for production of items from aluminium, nickel, magnesium or iron. Prepared items do not have cast microstructure with large grain size and embedded casting defects, and also foreign inclusions.
EFFECT: reduction of costs for melting and control of atmosphere and vacuum maintenance in melting furnace.
23 cl, 3 dwg
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Authors
Dates
2008-07-20—Published
2003-06-12—Filed