OBRABOTKAMETALLOV MATERIAL SCIENCE Vol. 26 No. 4 2024 Research Methods This paper presents the results of a literature review of studies on HEAs. The research focuses on developments primarily from 2020 to 2024, conducted by both domestic and foreign scientists. Various methods of obtaining HEAs were studied to determine the most predominant. Given the high interest of researchers in both the corrosion-resisting properties of alloys in general and the properties of coatings in particular, the largest part of the review is devoted to this issue. The study also includes works on improving the heat resistance, strength, ductility, electrical conductivity, and magnetic properties of HEAs. Based on an analysis of statistical data obtained from the interdisciplinary free scientifi c database Scilit, which indexes scientifi c materials, there has been a signifi cant increase in publications and research on HEAs in recent years. This indicates growing interest in the topic and makes the current period particularly relevant for analysis in this fi eld. The data analysis was conducted as of August 2024. More detailed dynamics of the number of publications on the topic “High-entropy alloys” are illustrated using the bar graph in Fig. 1, which shows the number of publications by year of release. The presented statistical data indicate that research in the fi eld of HEAs has experienced signifi cant growth in recent years. Since 2004, the number of publications on this topic has gradually increased, with the most noticeable surge occurring after 2015. From 2015 to 2024, the number of publications increased more than tenfold, indicating growing interest in this fi eld of research. This rapid growth may be due to both the expansion of knowledge in the fi eld of HEAs and increased attention to the topic from the scientifi c community. Currently, many research groups around the world, including in the USA, Japan, South Korea, China, and Europe, are actively studying HEAs. These groups not only conduct fundamental research but also develop new production methods, improve material properties, and expand its areas of application. Hundreds of scientists and engineers worldwide are deeply engaged in this area of materials science. Today, around 100 countries actively participate in the development and study of HEAs, indicating that this fi eld of science and technology attracts attention from researchers from all over the world, contributing to a deeper understanding and unlocking the potential of these materials. To visually demonstrate the geographic diversity of interest in HEAs, Fig. 2 presents a list of countries and the number of publications, which allows to assess each country’s contribution to this research area. Fig. 1. The number of publications on the topic “High-entropy alloys” depending on the year of publication
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