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Article

Analysis of Filler Metals Influence on Quality of Hard-Faced Surfaces of Gears Based on Tests in Experimental and Operating Conditions

by
Svetislav Marković
1,
Vukić Lazić
2,
Dušan Arsić
2,
Ružica R. Nikolić
3,*,
Djordje Ivković
2,
Robert Ulewicz
4 and
Otakar Bokuvka
5
1
Faculty of Technical Sciences Čačak, University of Kragujevac, 32000 Čačak, Serbia
2
Faculty of Engineering, University of Kragujevac, 34000 Kragujevac, Serbia
3
Research Centre, University of Žilina, 010 26 Žilina, Slovakia
4
Department of Production Engineering and Safety, University of Technology, 42201 Czestochowa, Poland
5
Faculty of Mechanical Engineering, University of Žilina, 010 26 Žilina, Slovakia
*
Author to whom correspondence should be addressed.
Materials 2022, 15(21), 7795; https://doi.org/10.3390/ma15217795
Submission received: 19 September 2022 / Revised: 30 October 2022 / Accepted: 1 November 2022 / Published: 4 November 2022
(This article belongs to the Special Issue Quality, Microstructure and Properties of Metal Alloys)
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Abstract

Hard-facing as a type of the coating depositing is increasingly used today. Physical-chemical-metallurgical characteristics of contact layers in tribo-mechanical systems depend on the operating conditions and the conditions under which the work surfaces were created. That is the reason the influence of the processing procedures and regime, used in the contact surfaces formation, on development of the wear process of contact elements, is being considered ever more. To determine the influence of the hard-facing technology on characteristics of the gears’ working surfaces, the experimental investigations were performed on samples hard-faced on the steel for cementation, by varying the filler metals (FM) and the hard-facing regimes. The samples tested were hard-faced by five “hard” and three “soft” filler metals. Experimental investigations included measuring the hard-faced layers’ hardness and determination of their microstructure, as well as the wear resistance in the laboratory conditions, on tribometer and on a specially designed device for tests in the real operating conditions of gears. The wear intensity was monitored by the wear trace’s width in the laboratory conditions and by the share of the teeth surfaces affected by the destructive pitting in the operating conditions. The results obtained were compared to results of the base metal (BM) tests, which provided the certain conclusions on which filler metal and which welding procedure are the optimal ones for regeneration of the worn teeth surfaces.
Keywords: hard-facing; gears; hardness; microstructure; tribological tests; wear hard-facing; gears; hardness; microstructure; tribological tests; wear

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MDPI and ACS Style

Marković, S.; Lazić, V.; Arsić, D.; Nikolić, R.R.; Ivković, D.; Ulewicz, R.; Bokuvka, O. Analysis of Filler Metals Influence on Quality of Hard-Faced Surfaces of Gears Based on Tests in Experimental and Operating Conditions. Materials 2022, 15, 7795. https://doi.org/10.3390/ma15217795

AMA Style

Marković S, Lazić V, Arsić D, Nikolić RR, Ivković D, Ulewicz R, Bokuvka O. Analysis of Filler Metals Influence on Quality of Hard-Faced Surfaces of Gears Based on Tests in Experimental and Operating Conditions. Materials. 2022; 15(21):7795. https://doi.org/10.3390/ma15217795

Chicago/Turabian Style

Marković, Svetislav, Vukić Lazić, Dušan Arsić, Ružica R. Nikolić, Djordje Ivković, Robert Ulewicz, and Otakar Bokuvka. 2022. "Analysis of Filler Metals Influence on Quality of Hard-Faced Surfaces of Gears Based on Tests in Experimental and Operating Conditions" Materials 15, no. 21: 7795. https://doi.org/10.3390/ma15217795

APA Style

Marković, S., Lazić, V., Arsić, D., Nikolić, R. R., Ivković, D., Ulewicz, R., & Bokuvka, O. (2022). Analysis of Filler Metals Influence on Quality of Hard-Faced Surfaces of Gears Based on Tests in Experimental and Operating Conditions. Materials, 15(21), 7795. https://doi.org/10.3390/ma15217795

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