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Fazil Hüsem Fatma MEYDANERİ TEZEL Atakan BOĞA Serdal HAN Melih SEMERCİ
AbstractAbstract Aluminum, which is in the light metal category due to the development of technology and the technical features it possesses, is widely used in many fields of industry. In practice, the ratio of the strength to the weight (specific strength property) is very large; the soft and one-third the weight of steel. When alloying elements are added, the mechanical properties can be increased to be comparable to steel; this makes aluminum usable for medicine, construction, food, automotive and aerospace industries. All the hardening elements added to aluminum reduce thermal and electrical conductivity and elongation. The applied heat treatments change plasticize and hardness. The manganese has an effect of increasing the toughness and ductility properties, but it has become an essential element in the secondary additions by increasing the tensile strength without reducing the corrosion resistance. In this study, the mechanical properties of alloys with different compositions of Al-based Al-Mn alloys were determined by Vickers Hardness Tester, Tensile Test and the effect of heat treatment was discussed. Accordingly, the average hardness values of Al-x Mn (x = 0.1, 0.2, 0.3) alloys were measured as 47.7, 50.8 and 53.3 for the samples not subjected to heat treatment and 50.2, 54.1 and 81 for the samples subjected to heat treatment, respectively. According to the tensile test results, the order of Al-x Mn (x = 0.1, 0.2, 0.3) alloys is max. tensile strength 87.9, 97.4, 101.23 MPa, heat treated samples 101.15, 106.6, 125.4. SEM, EDX and XRD and microstructural and surface morphologies related to the composition were investigated.