Abstract
A method is developed for pressure welding of cylindrical workpieces in the solid state of an aluminum-zinc alloy in a vacuum at a temperature of 250 °C under conditions of low-temperature superplasticity. Tensile tests showed that the strength of the welded joints is 90÷95 % of the tensile strength of the base material. Keywords ultrafine-grained structure, aluminum-zinc alloy, low-temperature superplasticity, solid-phase compound, welding using pressure, mechanical properties
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