Effect of the energy parameters of the welding process on the structure and properties of welded joints in low-alloy steels

Abstract

The results of investigations of the effect of the pulsed welding process on the structure and mechanical properties of welded joints in low-alloy steels are presented. It is shown that the pulsed welding conditions improve the homogeneity of the structure and reduce the grain size of the metal of the welded joint and the heat-affected zone (HAZ). Changes in the structure increase the ductility of the welded joint.

Keywords:

• welded joint
• mechanical properties
• structure
• pulse mode
• strength
• plasticity
• hardness