Evaluation of Mechanical Properties of GTAW Hardfacing Intended for the Repair of Permanent Foundry Mold Components
DOI:
https://doi.org/10.24425/afe.2026.158002Abstract
The repair of permanent steel foundry moulds is a critical industrial challenge driven by the need to minimize production costs and extend tool life. Gas Tungsten Arc Welding (GTAW) hardfacing offers a cost-effective restoration method, yet the impact of substrate dilution on the functional performance of high-alloyed layers remains insufficiently quantified. This study presents a unique evaluation of the synergy between the dilution rate and the tribological stability of the iron-based UTP-A 696 alloy deposited on an S355JR substrate. Three experimental samples with varying numbers of layers were prepared to analyze the transition from the fusion line to the pure hardfacing zone. The level of dilution was determined using spectral analysis and energy-dispersive X-ray spectroscopy (EDX). The results, supported by statistical processing, demonstrate that while the first layer suffers from significant mixing, the subsequent layers achieve a stable martensitic microstructure with a high density of complex carbides. A key finding of this research is the identification of a critical threshold for maintaining a stable coefficient of friction (0.753), providing a practical methodology for optimizing repair cycles in foundry environments. The study concludes that achieving a balance between dilution and hardness (up to 64 HRC) is paramount for the operational integrity of renovated mold components.
References
[1] Moritzer, E. & Martin, Y. (2017). Experimental investigations on the fibre length degradation in injection moulds. In AIP Conference Proceedings (Vol. 1914(1), 140004). AIP Publishing. DOI: 10.1063/1.5016769. DOI: https://doi.org/10.1063/1.5016769
[2] Brezinova, J., Dzupon, M., Vinas, J., Vojtko, M., Brezina, J., Vaskova, I. & Puchy, V. (2022). Possibilities of repairing functional surfaces of molds for injecting Al alloys using manual GTAW cladding. Metals. 12(11), 1781, 1-22. DOI: 10.3390/met12111781. DOI: https://doi.org/10.3390/met12111781
[3] Klobcar, D. & Tusek, J. (2008). Thermal stresses in aluminium alloy die casting dies. Computational Materials Science. 43(4), 1147-1154. DOI: 10.1016/j.commatsci. 2008.03.009. DOI: https://doi.org/10.1016/j.commatsci.2008.03.009
[4] Brezinova, J., Draganovska, D., Guzanova, A., Balogh, P. & Vinas, J. (2016). Influence of the hardfacing welds structure on their wear resistance. Metals. 6(2), 36, 1-12. DOI: 10.3390/met6020036. DOI: https://doi.org/10.3390/met6020036
[5] Brezinová, J., Dzupon, M., Vinas, J., Guzanova, A., Puchy, V., Brezina, J., Draganovska, D. & Vojtko, M. (2020). Progresive CMT cladding for renovation of casting mold. Acta Metallurgica Slovaca. 26(3), 104-110. DOI: 10.36547/ams.26.3.565. DOI: https://doi.org/10.36547/ams.26.3.565
[6] Sutka, J. & Konar, R. (2023). The effect of mixing the additive material with the substrate during the renovation of the foundry mold by TIG welding hardfacing. Manufacturing Technology. 23(3), 341-347. DOI: 10.21062/mft.2023.033. DOI: https://doi.org/10.21062/mft.2023.033
[7] Gülenç, B. & Kahraman, N. (2003). Wear behaviour of bulldozer rollers welded using a submerged arc welding process. Materials & Design. 24(7), 537-542. DOI: 10.1016/S0261-3069(03)00082-7. DOI: https://doi.org/10.1016/S0261-3069(03)00082-7
[8] Beckowski, R. & Gucwa, M. (2016). Defects appearing in the surfacing layers of abrasion resistant. Archives of Foundry Engineering.16(4), 23-28. DOI: 10.1515/afe-2016-0077. DOI: https://doi.org/10.1515/afe-2016-0077
[9] Satwant, S., Raman, K., Panakj, G. & Harmeet, S. (2022). Analysis of wear and hardness during surface hardfacing of alloy steel by thermal spraying, electric arc and TIG welding. Materials Today – Proceedings. 50(5), 1599-1605. DOI: 10.1016/j.matpr.2021.09.122. DOI: https://doi.org/10.1016/j.matpr.2021.09.122
[10] Jia, R., Liu, S., Luo, Z., Ning, J., Wang, H., Luo, T., Zhu, Y., Yuan, X. & Wang, Z. (2020). Microstructure and wear resistance of WC and high chromium cast iron hardfacing layers. Coatings. 10(9), 852, 1-9. DOI: 10.3390/coatings10090852. DOI: https://doi.org/10.3390/coatings10090852
[11] Winczek, J., Gucwa, M., Mician, M., Konar, R. & Parzych, S. (2019). The evaluation of the wear mechanism of high-carbon hardfacing layers. Archives of Metallurgy and Materials. 64(3), 1111-1115. DOI: 10.24425/amm.2019.129502. DOI: https://doi.org/10.24425/amm.2019.129502
[12] Vargova, M., Tavodova, M., Monkova, K. & Dzupon, M. (2022). Research of resistance of selected materials to abrasive wear to increase the ploughshare lifetime. Metals. 12(6), 940, 1-16. DOI: 10.3390/met12060940. DOI: https://doi.org/10.3390/met12060940
[13] Gucwa, M., Winczek, J., Beczkowski, R. & Dosipal, M. (2016). Structure and properties of coatings made with self shielded cored wire. Archives of Foundry Engineering. 16(3), 39-42. DOI: 10.1515/afe-2016-0046. DOI: https://doi.org/10.1515/afe-2016-0046
[14] Jhavar, S., Paul, C.P. & Jain, N.K. (2013). Causes of failure and repairing options for dies and molds: A review. Engineering Failure Analysis. 34, 519-535. DOI: 10.1016/j.engfailanal.2013.09.006. DOI: https://doi.org/10.1016/j.engfailanal.2013.09.006
[15] Kasinska, J., Skrzypczyk, A. & Kalandyk, B. (2018). Surfacing 24Cr-5Ni-2.5Mo Duplex steel castings by TIG. Archives of Foundry Engineering. 18(2), 15-20. DOI: 10.24425/122495. DOI: https://doi.org/10.24425/122495
[16] Lyczkowska, K. & Adamiec, J. (2017). Repair of precision castings made of the inconel 713C alloy. Archives of Foundry Engineering. 17(3), 210-216. DOI: 10.1515/afe-2017-0117. DOI: https://doi.org/10.1515/afe-2017-0117
[17] Wang, X., Han, F., Liu, X., Qu, S. & Zou, Z. (2008). Microstructure and wear properties of the Fe–Ti–V–Mo–C hardfacing alloy. Wear. 2008, 265(5-6), 583-589. DOI: 10.1016/j.wear.2007.12.001. DOI: https://doi.org/10.1016/j.wear.2007.12.001
[18] Sutka, J., Konar, R., Moravec, J. & Petricko, L. (2021). Arc welding renovation of permanent steel molds. Archives of Foundry Engineering. 21(2), 35-40. DOI: 10.24425/ afe.2021.136095. DOI: https://doi.org/10.24425/afe.2021.136095
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