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Article

Microstructure and Abrasive Wear Resistance of Various Alloy Hardfacings for Application on Heavy-Duty Chipper Tools in Forestry Shredding and Mulching Operations

by
Ladislav Falat
1,*,
Miroslav Džupon
1,
Miroslava Ťavodová
2,
Richard Hnilica
2,
Veronika Ľuptáčiková
2,
Lucia Čiripová
1,
Viera Homolová
1 and
Katarína Ďurišinová
1
1
Institute of Materials Research, Slovak Academy of Sciences, Watsonova 47, 04001 Košice, Slovakia
2
Faculty of Environmental and Manufacturing Technology, Technical University in Zvolen, T. G. Masaryka 24, 96001 Zvolen, Slovakia
*
Author to whom correspondence should be addressed.
Materials 2019, 12(13), 2212; https://doi.org/10.3390/ma12132212
Submission received: 25 June 2019 / Revised: 7 July 2019 / Accepted: 8 July 2019 / Published: 9 July 2019
(This article belongs to the Special Issue Tribology: Friction and Wear of Engineering Materials)
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Abstract

Five different alloy hardfacings on 16MnCr5 grade low-carbon ferritic–pearlitic steel were investigated in terms of their abrasive wear resistance in laboratory testing conditions. The selected hardfacing materials, namely “E520 RB”, “RD 571”, “LNM 420FM”, “E DUR 600”, and “Weartrode 62”, were individually deposited onto plain ground-finish surfaces of 10 mm thick steel plate samples. The studied hardfacings were fabricated using several different welding methods and process parameters proposed by their industrial manufacturers. In the present comparative study, the results obtained from laboratory abrasive wear tests of the investigated hardfacings were analyzed and discussed in relation to their microstructure, hardness, and wear mechanism characteristics. Regardless of great variety in microstructure and chemical composition of individual hardfacing materials, the results clearly indicated the governing factor for the wear resistance improvement to be the overall carbon content of the used hardfacing material. Thus it has been shown that the “E520 RB” hardfacing exhibited the highest abrasive wear resistance thanks to its appropriate hardness and beneficial “ledeburite-type” eutectic microstructure.
Keywords: forestry chipper tool; hard surfacing; microstructure; hardness; abrasive wear forestry chipper tool; hard surfacing; microstructure; hardness; abrasive wear

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MDPI and ACS Style

Falat, L.; Džupon, M.; Ťavodová, M.; Hnilica, R.; Ľuptáčiková, V.; Čiripová, L.; Homolová, V.; Ďurišinová, K. Microstructure and Abrasive Wear Resistance of Various Alloy Hardfacings for Application on Heavy-Duty Chipper Tools in Forestry Shredding and Mulching Operations. Materials 2019, 12, 2212. https://doi.org/10.3390/ma12132212

AMA Style

Falat L, Džupon M, Ťavodová M, Hnilica R, Ľuptáčiková V, Čiripová L, Homolová V, Ďurišinová K. Microstructure and Abrasive Wear Resistance of Various Alloy Hardfacings for Application on Heavy-Duty Chipper Tools in Forestry Shredding and Mulching Operations. Materials. 2019; 12(13):2212. https://doi.org/10.3390/ma12132212

Chicago/Turabian Style

Falat, Ladislav, Miroslav Džupon, Miroslava Ťavodová, Richard Hnilica, Veronika Ľuptáčiková, Lucia Čiripová, Viera Homolová, and Katarína Ďurišinová. 2019. "Microstructure and Abrasive Wear Resistance of Various Alloy Hardfacings for Application on Heavy-Duty Chipper Tools in Forestry Shredding and Mulching Operations" Materials 12, no. 13: 2212. https://doi.org/10.3390/ma12132212

APA Style

Falat, L., Džupon, M., Ťavodová, M., Hnilica, R., Ľuptáčiková, V., Čiripová, L., Homolová, V., & Ďurišinová, K. (2019). Microstructure and Abrasive Wear Resistance of Various Alloy Hardfacings for Application on Heavy-Duty Chipper Tools in Forestry Shredding and Mulching Operations. Materials, 12(13), 2212. https://doi.org/10.3390/ma12132212

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