Micromechanical aspects and ways to increase the efficiency of the compounding process of dispersed materials

High-quality compaction of dispersed materials is a critically important stage for ensuring the durability and operational reliability of the final product. The purpose of this study is to synthesize and analyze modern scientific works devoted to micromechanical compaction mechanisms, based on the discrete element method (DEM) and confirmed by laboratory tests, to determine the key parameters for optimizing the process. The results show that compaction is a process of particle rearrangement and redistribution, which leads to the filling of pores and the formation of a stable force framework. The concept of "compaction blocking point" is considered, which corresponds to the moment of reaching the peak of dynamic stiffness of the material. At the micro level, this state is characterized by the achievement of a stable horizontal orientation of about 60% of large particles, which indicates the formation of a stable skeleton. The negative consequences of overcompaction, which occurs after reaching the peak of dynamic stiffness of the material, are investigated. Further impact leads not to improvement, but to degradation of the material due to grinding of the surface of large particles and destruction of the formed framework, which leads to a decrease in mechanical properties. The influence of key parameters, such as vibration frequency, compression pressure and particle size distribution, on the stress state and permanent deformation was analyzed. It was found that optimization of these parameters allows to maximize the useful compaction energy, in particular the sliding energy during rolling, which is the most effective for dissipation. The practical value of the study is to create a scientific basis for the development of optimized compaction technologies that allow to achieve the maximum bearing capacity of the material, avoiding its damage and ensuring long-term stability of the products. Thus, this work lays a fundamental micromechanical foundation for the development of advanced sealing technologies.