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Volume 14
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10.3390/ma14154203
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Article

Exploitation Characteristics of Teeth Flanks of Gears Regenerated by Three Hard-Facing Procedures

by
Svetislav Marković
1,
Dušan Arsić
2,
Ružica R. Nikolić
3,*,
Vukić Lazić
2,
Branislav Hadzima
3,
Vladimir P. Milovanović
2,
Renata Dwornicka
4 and
Robert Ulewicz
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 Center, University of Žilina, 010 26 Žilina, Slovakia
4
Faculty of Mechanical Engineering, Cracow University of Technology, 31155 Cracow, Poland
5
Department of Production Engineering and Safety, Czestochowa University of Technology, 42201 Czestochowa, Poland
*
Author to whom correspondence should be addressed.
Materials 2021, 14(15), 4203; https://doi.org/10.3390/ma14154203
Submission received: 6 July 2021 / Revised: 23 July 2021 / Accepted: 25 July 2021 / Published: 28 July 2021
(This article belongs to the Special Issue Commemorating the Launch of the Section 'Metals and Alloys')
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Abstract

Numerous phenomena that occur during the process of machine parts’ regeneration have a significant impact on the loss of their working ability. Therefore, the properties of the working surfaces of the teeth flanks of repaired gears were analyzed in this research. The hereditary properties of the gear teeth are expressed by the interdependence of their geometric and physical-mechanical-metallurgical parameters created during the technological operations of regeneration of worn teeth by welding/hard-facing. The hard-facing was executed with three filler metal types, namely: combination Inox 18/8/6 + EDur 600, Castolin 2 and UTP 670. The tested properties included geometrical accuracy, microstructure and microhardness. Evaluation of the executed regeneration procedures was done by comparing the mentioned parameters of the regenerated gears and the new ones. The tested gears were not withdrawn from production due to damage, but they were newly manufactured and intentionally damaged gears, made of the same materials, subjected to the same manufacturing process. In this way, all influences except for the considered filler metal type were eliminated. Based on results of the conducted experiments, it was possible to establish the influence of the filler metal type on the surface characteristics of the regenerated gears’ teeth flanks.
Keywords: regeneration; gear; hard-facing; hardness; microstructure; hereditary properties regeneration; gear; hard-facing; hardness; microstructure; hereditary properties

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MDPI and ACS Style

Marković, S.; Arsić, D.; Nikolić, R.R.; Lazić, V.; Hadzima, B.; Milovanović, V.P.; Dwornicka, R.; Ulewicz, R. Exploitation Characteristics of Teeth Flanks of Gears Regenerated by Three Hard-Facing Procedures. Materials 2021, 14, 4203. https://doi.org/10.3390/ma14154203

AMA Style

Marković S, Arsić D, Nikolić RR, Lazić V, Hadzima B, Milovanović VP, Dwornicka R, Ulewicz R. Exploitation Characteristics of Teeth Flanks of Gears Regenerated by Three Hard-Facing Procedures. Materials. 2021; 14(15):4203. https://doi.org/10.3390/ma14154203

Chicago/Turabian Style

Marković, Svetislav, Dušan Arsić, Ružica R. Nikolić, Vukić Lazić, Branislav Hadzima, Vladimir P. Milovanović, Renata Dwornicka, and Robert Ulewicz. 2021. "Exploitation Characteristics of Teeth Flanks of Gears Regenerated by Three Hard-Facing Procedures" Materials 14, no. 15: 4203. https://doi.org/10.3390/ma14154203

APA Style

Marković, S., Arsić, D., Nikolić, R. R., Lazić, V., Hadzima, B., Milovanović, V. P., Dwornicka, R., & Ulewicz, R. (2021). Exploitation Characteristics of Teeth Flanks of Gears Regenerated by Three Hard-Facing Procedures. Materials, 14(15), 4203. https://doi.org/10.3390/ma14154203

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