REVIEW SOME OF NON-DESTRUCTIVE METHODS FOR PHYSICAL AND MECHANICAL CHARACTERISTICS TESTING OF THE MATERIAL OF ROCKET BARRELS AND ARTILLERY SYSTEMS

Barrels of missile and artillery systems during intensive operation are exposed to high temperatures, alternating loads, and corrosive aggressive environments. These effects lead to rapid degradation of the metal, changes in its structure, the appearance of intergranular corrosion, microcracks, and changes in the physical and mechanical properties of the material as a whole. The combined effect of the above factors leads to the inability of the structure to withstand operating parameters and its rapid destruction. In structures such as barrels of missile and artillery systems, this process is extremely fast and difficult to predict in time. The article presents an analysis of the main methods of non-destructive testing of the physical and mechanical characteristics of steels, analyzes their advantages and disadvantages, and describes their areas of application. Studies of modern experience in measuring the physical and mechanical characteristics of metal structures show that there is a certain imperfection and limitation of the method of controlling the characteristics of a metal structure by separately taken informative parameters based on a separately selected method. More perspective and the one that is currently developing most intensively is a complex method to determining physical and mechanical characteristics.