Book «No621 Theory of heat treatment» by Andriushechkin V. and . , Stremel M. A. , Melnichenko A. C. Astafieva E . In. This is a unique and in-depth study dedicated to one of the most important areas of materials science and material processing technology. It examines the basic principles of heat treatment, which play a key role in the formation of the properties of metals and alloys. This publication will become an indispensable assistant for both students and graduate students of technical specialties, as well as for practicing engineers and specialists in the field of materials science. The book covers a wide range of topics, ranging from the basics of thermodynamics to modern methods of heat treatment. The authors analyze in detail the processes of hardening, annealing, normalization and other methods that allow changing the physical and mechanical properties of materials. Each section is written taking into account the latest achievements of science and technology, which makes the material relevant and useful for application in real conditions. Who is this book intended for? First of all, it will be of interest to students and teachers of technical universities who study the materials and technologies for their processing . It is also suitable for practicing engineers working in the field of mechanical engineering, metallurgy and other related disciplines. Readers interested in modern technologies and innovations in the field of materials science will also find a lot of useful information in it. The topics raised in the book cover not only theoretical aspects, but also practical applications of heat treatment in industry. The authors emphasize the importance of choosing the right processing modes to achieve the desired properties of materials. This makes the book a valuable resource for those who seek to optimize production processes and improve the quality of final products. The style of the authors is distinguished by clarity and accessibility, which makes it easy to perceive even the most complex concepts. They masterfully combine theory with practical examples, which makes the material lively and fascinating. In addition, the book presents graphs, tables and illustrations that help to better understand the processes in question .. Andriushechkin, Stremel, Melnichenko and Astafieva are a team of authors with significant experience in the field of materials science and heat treatment . Their previous work has also received recognition in academia, which adds additional value to this publication. Readers familiar with their other publications will appreciate the consistency and depth of analysis characteristic of their style. The book «No621 Theory of heat treatment» not only provides theoretical knowledge, but also inspires further research and experiments in the field of heat treatment of materials. It will become a reliable guide for anyone who wants to deepen their knowledge and skills in this important area, as well as for those who seek to be aware of current trends and technologies. If you are looking for a high-quality and informative publication that will help you understand the complex issues of heat treatment, then “No621 Theory of heat treatment” is exactly what you need. Do not miss the opportunity to expand your horizons and improve your skills with this wonderful book!