The effect of vibrational impact of low power density on the weld structure

Abstract: The requirements for welding processes are particularly important in terms of building an open, where to get reliable connections is difficult, expensive or impossible to use machinery and stationary devices. In such cases, the implementation of welding using mechanical vibrations in the construction of important structures is becoming a necessity. Therefore the aim of this work is to study the effect of vibration exposure low specific manner, the structure of power in the heat-affected zone and weld. Methods. Mechanical vibration of 250 watts at 60 Нz transmitted to the weld connection, wherein the elastic vibrations are excited. Investigation of elastic vibrations on the structure welded joints were made in mechanized welding the steel wire 10G2FB Megafil 821 R, 1.2 mm diameter in a mixture of argon and carbon dioxide. Practical significance. Thin vibratory oscillations in the frequency range 60 Hz contribute structure refinement and promote the formation of the weld metal more homogeneous structure.