SHOCK-WAVE PROCESSES IN METALS DURING MECHANICAL TREATMENT USING THE ELECTROPLASTIC EFFECT
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Abstract
When processing metals by pressure, various types of additional physical influence are used in the form of heating, mechanical shock, vibration, acoustic ultrasonic irradiation, and electric pulse influence. Such impacts, in particular, are associated with manifestations of the oscillatory motion of material particles, which can be considered as a trigger for the movement of dislocations and structural inhomogeneities of the material. Such inhomogeneities can be in conditions of a residual mechanical stress state, which, under oscillatory influence, leads to their movement and transition to a more stable state. Such processes are accompanied by improved mechanical properties and deformation processes with increased plasticity. The work examines some features of the manifestation of such oscillatory processes that arise under additional external influences, which can be used in the development of metal forming technologies in order to reduce resistance to deformation and improve the structure of materials.
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