MECHANICAL PROPERTIES OF ALUMINIUM MAGNESIUM ALLOYS AFTER PROCESSING BY A SEVERE PLASTIC DEFORMATION METHOD

Kozulin A.A, Kozulin A.A, Krasnoveykin V.A, Krasnoveykin V.A, Skripnyak V.V, Skripnyak V.V, Khandaev B.V, Li U.V

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The mechanical properties of the aluminum magnesium AMg6 alloy in coarse grained and ultrafine-grained state after severe plastic deformation were investigated. It was shown that after 4 passages of orthogonal channel angular extrusion of the AMg6 alloy block structure was formed with an average grain size of 2.2 microns and a unimodal distribution of grain sizes in the range of 1.5 to 4.5 microns. Results of quasistatic uniaxial tensile and compresion show that the alloy in the ultrafine-grained states has higher yield strength, limit of tensile strength and limit strain degree. Formation of fine-grained structure of the alloy AMg6 ensuring a higher microhardness yield strength , tensile strength degradation, reached after two orthogonal passes ECAP at 200 ° C. It was founded that after orthogonal equichannel pressing AMg6 alloy acquires asymmetry values of strength properties (yield strength and tensile strength degradation) in tension and compression.

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Козулин А.А, Козулин А.А, Красновейкин В.А, Красновейкин В.А, Скрипняк В.В, Скрипняк В.В, Хандаев Б.В, Ли Ю.В МЕХАНИЧЕСКИЕ СВОЙСТВА АЛЮМИНИЙ МАГНИЕВЫХ СПЛАВОВ ПОСЛЕ ИНТЕНСИВНОЙ ПЛАСТИЧЕСКОЙ ДЕФОРМАЦИИ // Научное обозрение. Физико-математические науки . 2020. № 1. С. 32-33;
URL: https://physics-mathematics.ru/en/article/view?id=35 (дата обращения: 24.06.2026).