The Effect of a Welding Technology on the Abrasive Wear Resistance of Joints in Abrasion-Resistant Plates

Abstract

The article presents results of tests concerning the metal-mineral abrasive wear resistance of butt welded joints with abrasion-resistance overlay weld HARDPLATE 100S 5+3 made using a covered electrode with the solid core and the flux core as well as a self-shielded flux-cored wire. The significance of the above-named effect was determined using a completely randomized design. The scope of tests also included the analysis of the chemical and phase compositions, hardness measurements as well as the macro and microscopic metallographic tests of welded joints in abrasion-resistant plates.

Comparison of Abrasive Wear Resistance of Arc-Sprayed and HVOF-Sprayed Coatings as well as Overlay Welds Made Using Self-Shielded Flux-Cored Wire

“…A thin zone of the surface layer is responsible for the intensity of abrasive wear, which can be shaped by surfacing technologies (e.g. thermal spraying, technologies which incorporate a welding process) [1][2][3][4][5][6][7].…”

“…Coatings (layers) made with different surface engineering technologies with the same surfacing material as well as with the same method using different technological parameters may exhibit different properties. This is due to differences in metallurgical reactions, cooling rates and the dilution [1,[4][5][6][7][8][9][10][11][12].…”

“…The surfacing material for applying this type of layers is mostly in the form of flux cored wire. Some flux cored wires are also intended for thermal spraying [6,13,14].…”