Manufacturing Technology 2023, 23(3):341-347 | DOI: 10.21062/mft.2023.033

The Effect of Mixing the Additive Material with the Substrate During the Renovation of the Foundry Mold by TIG Welding Hardfacing

Jozef Sutka ORCID..., Radoslav Konar ORCID...
Faculty of Mechanical Engineering, University of Zilina, Univerzitna 8215/1, 010 26 Zilina, Slovakia

The article is focused on the effect of mixing the additional material with the substrate (base materi-al) on the properties of the weld metal during arc welding with TIG technology. The research is aimed at the use of arc welding with TIG technology in the repair of foundry molds. These are repairs of permanent steel foundry molds. The parts of the mold in contact with the liquid metal are subject-ed to heat-chemical-mechanical stress. This load causes mold wear, which causes a decrease in sur-face quality and a change in the dimensional accuracy of the casting. The main cause of wear on the functional surfaces of the mold cavity is tribological processes. From the study of professional works dealing with mold wear [5,11,22], it is clear that one of the main parameters for determining the in-tensity of wear is surface hardness. The theoretical part deals with wear and the factors that affect wear. The experimental part compares the properties of one, two, and three-layer TIG welds, specifi-cally the chemical composition, hardness, and coefficient of friction determined by the "ball-on-flat" method.

Keywords: Casting mold, Renovation, TIG welding, Hardfacing, Tribological test
Grants and funding:

This article was funded by the University of Žilina project 313011ASY4 „Strategic implementation of additive technologies to strengthen the intervention capacities of emergencies caused by the COVID -19 pandemic“

Received: December 12, 2022; Revised: April 21, 2023; Accepted: April 24, 2023; Prepublished online: May 4, 2023; Published: July 5, 2023  Show citation

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Sutka J, Konar R. The Effect of Mixing the Additive Material with the Substrate During the Renovation of the Foundry Mold by TIG Welding Hardfacing. Manufacturing Technology. 2023;23(3):341-347. doi: 10.21062/mft.2023.033.
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