Journal "Fundamental Sciences and Applications"

Model for determining the magnetic permeability of a neodymium magnet

Georgi Dobrev — Mon, 15 Dec 2025 17:31:02 +0200

A laboratory educational experiment is presented to determine the characteristics of an oscillating circle under the influence of a neodymium magnet Nd₂Fe₁₄B .The oscillating circuit is composed of a coil with an inductance of 10.14 H and a capacitance of 1 μF .A transformer is used to convert the alternating voltage from the 220V electrical network into 6V and a frequency of 50Hz. The indicated methodology can be widely used for developing seminar and laboratory exercises in physics.

General Characterization of 5083 Aluminum Alloys and Examination of the Joining Method Using Friction Stir Welding

Cem Misirli — Mon, 15 Dec 2025 17:19:52 +0200

Aluminum 5083 alloy consists of a mixture of elements such as aluminum, magnesium and manganese and is an important material used in a wide range of industrial applications. In this article, the general characterization of Aluminum 5083 alloy and its welding using friction stir welding are theoretically examined. The key properties of aluminum 5083 alloy include high strength, corrosion resistance, light weight, machinability and low temperature strength. These properties make the alloy preferred in various industrial applications. In areas such as the marine industry, aerospace, automotive and structural applications, Aluminum 5083 alloy is widely used. From ship hulls to aircraft parts, the alloy has a wide range of uses thanks to its high strength and corrosion resistance. Aluminum 5083 alloy can be processed and shaped by various joining methods. Methods such as welding, spot welding, laser welding and friction mixture welding are used to join different parts of the alloy. The method to be applied is selected depending on factors such as the thickness and shape of the material, the requirements of the application and the equipment available. The reason why friction stir welding was chosen as the joining method of 5083 alloys in this study is that it is a modern and innovative method, as well as an effective method used especially in joining alloy and thermoplastic materials. This method provides high-strength and quality connections and causes less deformation and crack formation compared to traditional welding methods. Friction Stir Welding is increasingly used in industries such as aerospace, automotive and marine. In conclusion, aluminum 5083 alloy is an important material in terms of its general characterization and properties. Thanks to its strength, lightness and corrosion resistance, it is a preferred option in many industrial applications.

Effects of Micro Arc Oxidation on Metal Materials and Application Potential

Cem Misirli — Mon, 15 Dec 2025 17:30:17 +0200

Micro arc oxidation (MAO) is a surface treatment technique that involves forming a ceramic layer by processing metal surfaces under high voltage in an electrolytic environment. This method is widely used to strengthen and protect the surfaces of light metals, especially aluminum and its alloys. The effects of MAO on metal materials include changes in the mechanical, chemical and optical properties of the formed ceramic layer. Additionally, industrial applications and future potential of MAO are also discussed. The micro arc oxidation process creates a very thin and hard ceramic layer on metal surfaces. This ceramic layer increases the material's resistance to corrosion, wear and high temperatures. Additionally, the ceramic layer allows the surface to become smooth and coatable. As a result of the MAO process, the microstructure and composition on the material surface can change, allowing customized surface properties to be obtained according to different application requirements. Micro arc oxidation has broad application potential in many industrial sectors. It is widely used to strengthen and protect the surfaces of metal parts used in areas such as automotive, aerospace, defense, energy and medical devices. For example, in the automotive industry, the MAO process is used to strengthen the surfaces of vehicle body parts, engine components and other parts. In the aviation industry, MAO process is applied to increase the resistance of aircraft engine parts to high temperature and wear conditions. Micro arc oxidation process is an important surface treatment technique for strengthening and protecting the surfaces of metal materials. This method, which has a wide application potential, is widely used in industrial applications to meet surface protection and reinforcement requirements. In the future, it is expected that MAO technology will be further developed and its application areas will be expanded.