ABSTRACT

In the present study, the microstructure and mechanical properties of Al-Sn-Mg ternary alloy were investigated depending on the composition. When the microstructures of the compositions of the alloy are examined, it was observed that Mg₂Sn, Mg₃Sn_1,67 intermetallic phases were formed at the grain boundaries. However, the grain size of each phase changed depending on the composition. It has been observed that such changes in the microstructure affect the mechanical properties of the material. The 94 at. % Al-2.5 at. % Sn-3.5at. % Mg has been found to have the most suitable material properties in terms of ductility and strength. The hardness of [96.5-x] at. % Al-[x] at. % Sn-3.5 at. % Mg (x = 2.5, 8.5 (eutectic composition), 14.5) compounds was measured 52 HV _0.1, 47 HV _0.1, 40 HV _0.1 for bulk samples and 72 HV _0.1, 56 HV_0.1, 51 HV _0.1 for rod-shaped samples, respectively.

摘要

在本研究中，根据成分研究了 Al-Sn-Mg 三元合金的显微组织和机械性能。当检查合金成分的微观结构时，观察到在晶界处形成了 Mg ₂ Sn、Mg ₃ Sn _1,67金属间相。然而，每个相的晶粒尺寸根据组成而变化。已经观察到这种微观结构的变化会影响材料的机械性能。在 94。% Al-2.5 at. % Sn-3.5at。已发现 % Mg 在延展性和强度方面具有最合适的材料特性。[96.5-x]处的硬度。% Al-[x] 处。% Sn-3.5 at. % Mg (x = 2.5, 8.5 (低共熔成分), 14.5) 化合物测量 52 HV_0.1 , 47 HV _0.1 , 40 HV _0.1用于大块样品，72 HV _0.1 , 56 HV _0.1 , 51 HV _0.1用于棒状样品。