FIELD: plastic metal working, particularly manufacture of parts from aluminium alloys by hot deforming. SUBSTANCE: method comprises steps of heating ingot, producing tubular blank by extruding ingot with elongation factor 30-200, simultaneously preliminarily quenching it at cooling rate 1-50 C/c and subjecting blank to cold deformation. Then tubular blank is heated, reduced in die and subjected to final quenching. EFFECT: enhanced corrosion resistance of parts. 1 ex
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Authors
Dates
1999-09-10—Published
1998-04-01—Filed