METHOD FOR THERMOMECHANIC WORKING OF SHEETS OF HARD-TO-FORM ALUMINIUM ALLOYS

thermomechanic working of light-weight alloys, possibly in machine engineering for making parts of thin sheets of alloys containing beryllium in order to improve deformability and mechanical properties of materials. SUBSTANCE: method comprises steps of preliminary working material; deforming it at c...

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Hauptverfasser:	KUPRIN P.N, PAKSHIN P.JU, KOLGANOV I.M, KISELEV A.V
Format:	Patent
Sprache:	eng
Schlagworte:	CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS CHEMISTRY FERROUS OR NON-FERROUS ALLOYS METALLURGY TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	thermomechanic working of light-weight alloys, possibly in machine engineering for making parts of thin sheets of alloys containing beryllium in order to improve deformability and mechanical properties of materials. SUBSTANCE: method comprises steps of preliminary working material; deforming it at conditions of compression-stress state at simultaneously applying tension efforts with deformation degree providing uniform inner stresses; performing finish heat treatment; using Al-Be-Mg alloys as hard-to-form alloys; performing preliminary heating until 500-600C; deforming by tension at stabilized temperature 350-400 C while equalizing temperature in cross section and along length of blank; realizing secondary deforming by drawing at 200-250 C. High temperature treatment is realized continuously while drawing blank through system of heating apparatuses. EFFECT: enhanced deformability and strength characteristics of materials. 2 cl