ENVIRONMENT. TECHNOLOGY. RESOURCES
15th International Scientific and Practical Conference. June 27-28, 2024, ''Vasil Levski'' National Military University, Veliko Tarnovo, Bulgaria
Tongov, Manahil, Department of Material Sscience and Technology, Technical University of Sofia <br />Center of welding (IMSETCHA) “Acad. A. Balevski” Bulgarian Academy of Sciences<br /><em> <br /> </em>, Bulgaria