The Effect of Additional Shielding Gas on Properties and Erosion Resistance of High Chromium Hardfacing
Abstract
The wear-resistant layers of the chromium cast iron structure can be made by traditional casting methods as well as by the use of welding methods. The use of hardfacing allows for the creation of a protective layer on existing elements, often in the place of their use. Especially the use of hardfacing using self-shielding core wires allows obtaining layers with the desired properties. The paper presents the results of research on high-chromium hardfacings made in self-protective technology as well as using shielding gas. It was noted that the addition of shielding gas has a positive effect on the stability of the surfacing process and on the appearance of hardfaced surfaces. The hardness tests and erosive wear tests carried out also indicate a positive effect of shielding gas on the properties of hardfacings.
Keywords
Hardfacing Erosion HardnessReferences
- 1.Pokusová, M., Brúsilová, A., Šooš, Ľ., Berta, I.: Abrasion wear behavior of high-chromium cast iron. Arch. Foundry Eng. 16, 69–74 (2016)CrossRefGoogle Scholar
- 2.Tanga, X.H., Chunga, R., Panga, C.J., Li, D.Y., Hinckleyb, B., Dolmanb, K.: Microstructure of high (45 wt.%) chromium cast irons and their resistances to wear and corrosion. Wear 271, 1426–1431 (2011). https://doi.org/10.1016/j.wear.2010.11.047CrossRefGoogle Scholar
- 3.Kopyciński, D., Piasny, S., Kawalec, M., Madizhanova, A.: The Abrasive wear resistance of chromium cast iron. Arch. Foundry Eng. 14, 63–66 (2014)CrossRefGoogle Scholar
- 4.Lu, H., Li, T., Cui, J., Li, Q., Li, D.Y.: Improvement in erosion-corrosion resistance of high-chromium cast irons by trace boron. Wear 376–377, 578–586 (2017). https://doi.org/10.1016/j.wear.2017.02.014CrossRefGoogle Scholar
- 5.Dumovic, M., Dunne, D.: Prediction of weld metal microstructure of self-shielded arc hardfacing welds resistant to metal-to-metal wear. Weld. World 5, 831–837 (2014). https://doi.org/10.1007/s40194-014-0162-7CrossRefGoogle Scholar
- 6.Gucwa, M., Winczek, J.: The properties of high chromium hardfacings made with using pulsed arc. Arch. Foundry Eng. 15, 37–40 (2015)CrossRefGoogle Scholar
- 7.Gucwa, M., Winczek, J., Bęczkowski, R., Dośpiał, M.: Structure and properties of coatings made with self shielded cored wire. Arch. Foundry Eng. 16, 39–42 (2016)CrossRefGoogle Scholar
- 8.Bęczkowski, R.: Effect of cladding parameters on the hardness of bimetal plates. Metalurgija 56, 59–62 (2016)Google Scholar
- 9.Günther, K., Liefeith, J., Henckell, P., Ali, Y., Bergmann, J.P.: Influence of processing conditions on the degradation kinetics of fused tungsten carbides in hardfacing. Int. J. Refract Metal Hard Mater. 70, 224–231 (2018)CrossRefGoogle Scholar
- 10.Liu, D., Liu, R., Wei, Y.: Effects of titanium additive on microstructure and wear performance of iron-based slag-free self-shielded flux-cored wire. Surf. Coat. Technol. 207, 579–586 (2012)CrossRefGoogle Scholar
- 11.Liu, D., Liu, R., Wei, Y., Ma, Y., Zhu, K.: Microstructure and wear properties of Fe–15Cr–2.5Ti–2C–xB wt.% hardfacing alloys. Appl. Surf. Sci. 271, 253–259 (2013)CrossRefGoogle Scholar
- 12.Gou, J., Wang, Y., Wang, Ch., Chu, R., Liu, S.: Effect of rare earth oxide nano-additives on micro-mechanical properties and erosion behavior of Fe-Cr-C-B hardfacing alloys. J. Alloy. Compd. 691, 800–810 (2017)CrossRefGoogle Scholar
- 13.Gou, J., Wang, Y., Li, X., Zhou, F.: Effect of rare earth oxide nano-additives on the corrosion behavior of Fe-based hardfacing alloys in acid, near-neutral and alkaline 3.5 wt.% NaCl solutions. Appl. Surf. Sci. 431, 143–151 (2018)CrossRefGoogle Scholar
- 14.Bitharasa, I., McPhersonb, N.A., McGhiec, W., Royc, D., Moorea, A.J.: Visualisation and optimisation of shielding gas coverage during gas metal arc welding. J. Mater. Process. Tech. 255, 451–462 (2018)CrossRefGoogle Scholar
- 15.Correa, E.O., Alcântara, N.G., Valeriano, L.C., Barbedo, N.D., Chaves, R.R.: The effect of microstructure on abrasive wear of a Fe–Cr–C–Nb hardfacing alloy deposited by the open arc welding process. Surf. Coat. Technol. 276, 479–484 (2015)CrossRefGoogle Scholar