FIELD: process engineering.
SUBSTANCE: invention relates to metallurgy. Proposed process comprises making of quenched 80 mm deep board of aluminium alloy heat treated to solid solution, removal of strains in said board by cold rolling to reduction of board depth of 0.5-6%. Note here that cold rolling is carried out at reduction rate of 0.10 s-1.
EFFECT: board from aluminium alloy with high residual strain.
14 cl, 2 ex, 2 tbl
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