The Metallurgy . Issue. 40" edited by E. A. Ivanova, B. M. Nemenenko and other authors is an important publication for anyone interested in modern achievements in the field of metallurgy. This collection of articles written by leading experts in the field covers a wide range of topics related to metallurgical processes, new technologies and research that can change approaches to the production and processing of metals. Issue 40 is a continuation of the series that has established itself as a reliable source of relevant information for students, graduate students, scientists and practicing engineers. The book will be especially interesting for those who study metallurgy at the level of higher education or work in this area, as it contains both theoretical and practical aspects of metallurgical processes. Readers passionate about science and technology will find here a wealth of useful data that will help them deepen their knowledge and expand their horizons in the field of metallurgy. Topics covered in the book range from traditional metalworking techniques to emerging technologies such as additive manufacturing and nanomaterials. The authors share their research and discoveries that could have a significant impact on the industry. In particular, the issue addresses issues related to improving the properties of metals, optimizing production processes and environmental aspects of metallurgy. These topics are not only relevant, but also necessary to understand the current challenges facing the metallurgical industry. The style of the authors is characterized by scientific rigor and clarity of presentation, which makes the material accessible to perception. Each section of the book is written taking into account the latest achievements of science and technology, which allows readers to be aware of the most current trends. In addition, the work of the authors on the publication testifies to the high level of their professionalism and dedication. It does "Metallurgy. Issue. 40" not only a training manual, but also a real guide for professionals. The book will be useful not only to specialists, but also to everyone who is interested in metallurgy and its impact on modern society. Students of technical universities, graduate students, teachers, as well as practicing engineers and scientists will find in this issue a lot of interesting and useful It will be an excellent addition to the library of everyone who aspires to be at the forefront of metallurgical science. If you are looking for books on metallurgy that can complement your knowledge, pay attention to such works as "Metallurgy of ferrous metals" or "Modern methods of metal processing" . These publications, as well as "Metallurgy. Issue. 40", will help you to better understand the processes taking place in this important area. In conclusion, “Metallurgy . Issue. 40" is not just a book, but a whole world of knowledge that opens up to the reader. It is worthy of attention and respect, because it contains the results of many years of research and practical experience of the authors. Do not miss the opportunity to immerse yourself in the fascinating world of metallurgy and discover new horizons!