1. INTERNATIONAL AVRASYA SCIENTIFIC RESEARCH AND INNOVATION CONGRESS, Baku, Azerbaycan, 22 - 24 Kasım 2024, ss.817-823
Functionally graded materials (FGMs) are composites that incorporate different material properties, allowing for optimization based on specific design requirements. In this study, a functionally graded structure was produced using Al2024 aluminum alloy and boron carbide (B4C) reinforcement through powder metallurgy. The Al2024 and B4C powders were homogenized using mechanical alloying and then shaped through hot pressing. The resulting composite structure consists of three layers, each with equal thickness, and this layered configuration enhances the material's properties by creating a gradation of characteristics. The physical and mechanical properties of the composite material were evaluated through density measurements, tensile tests, and radiation absorption tests. Density measurements were conducted to assess the homogeneity of the material and the porosity in its microstructure during the production process. Tensile tests were performed to determine the mechanical strength and deformation characteristics of the material, while fracture surface analysis was carried out to study the material's fracture behavior and identify weak zones in the microstructure. Fracture surfaces were examined using optical microscopy and Scanning Electron Microscopy (SEM), providing detailed insights into the fracture modes and deformation behavior of the material. Additionally, gamma radiation absorption tests were conducted to evaluate the contribution of the B4C reinforcement to the material's radiation shielding capacity. The results indicate that the B4C content enhances the interaction of the material with radiation, making it particularly suitable for applications in nuclear and space industries. The data obtained demonstrate the potential of these functionally graded composites for applications requiring high mechanical strength, light weight, and radiation protection, such as in defense, space research, and nuclear industries.