WEAR PROPERTIES AND MICROSTRUCTURE OF WC–10Co–4Cr POWDER COATING APPLIED TO CULTIVATOR BLADES VIA HVOF

Yusuf Dä°lay, GÃœNEY Bekir and Adem Özkan
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Yusuf Dä°lay: Department of Mechanical and Metal Technologies, Vocational School of Technical Sciences, KaramanoÄŸlu Mehmetbey University, Karaman 70100, Turkey
GÜNEY Bekir: ��Department of Motor Vehicles and Transportation Technologies, Vocational School of Technical Sciences, Karamanoğlu Mehmetbey University, Karaman 70100, Turkey
Adem Özkan: Department of Mechanical and Metal Technologies, Vocational School of Technical Sciences, Karamanoğlu Mehmetbey University, Karaman 70100, Turkey

Surface Review and Letters (SRL), 2022, vol. 29, issue 04, 1-12

Abstract: Abrasion of cultivator equipment parts working in the soil causes serious losses if necessary precautions are not taken. The cultivator blades used to plow the soil in agricultural production wear out over time. In order to reduce this wear, the hardness and wear resistance of the material should be increased first. In this study, some of the 30MnB5 cultivator blades were heat-treated and some were coated with HVOF technique. The samples were obtained by plowing the soil at 15-cm working depth and 5.4-km⋅h−1 forward speed in two fields with different soil moisture contents. As a result of the experiments, abrasion losses and surface deformation of the blade material were observed and the effect of soil moisture on wear was also determined. After the treatment of 49.5daa (decare) with soil at 9% moisture content, the heat-treated 30MnB5 sample was worn 5.6 g, and the sample coated with WC–10Co–4Cr was worn 3.2g. Abrasions at 14% soil moisture were 6.3 g and 3.6g, respectively. It was observed that the coated material was less corroded than the heat-treated material. While the results obtained will contribute to the prevention of economic losses, the release of metals into the soil will also be prevented.

Keywords: Soil tillage; cultivator blade; wear; HVOF coating; microstructure (search for similar items in EconPapers)
Date: 2022
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DOI: 10.1142/S0218625X22500445

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