FIELD: plastic working of metals, in particular, production of laminated material from metal alloy, for example Zr-Nb alloy, for producing of cable sheathing for thermal couple.
SUBSTANCE: method involves providing plastic deformation of blank made from zirconium alloy in at least two directions, with deformation extent in one direction exceeding deformation extent in other direction by at least three times, and total algebraic value of deformation extent in all directions making at least 250%. After deformation, blank of zirconium alloy may be additionally exposed to annealing in vacuum furnace at temperature of up to 600 C.
EFFECT: increased efficiency in producing of three-layer material with increased deformation capability and high corrosion and fatigue destruction resistance.
2 cl, 5 dwg, 1 ex
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