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Acta Mechanica et Automatica

The Journal of Bialystok Technical University

4 Issues per year


CiteScore 2016: 0.50

SCImago Journal Rank (SJR) 2016: 0.193
Source Normalized Impact per Paper (SNIP) 2016: 0.423

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ISSN
2300-5319
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Study of Selected Properties of Thermally Sprayed Coatings Containing WC and WB Hard Particles

Janette Brezinová
  • Faculty of Mechanical Engineering, Department of Mechanical Technology and Materials, Technical University of Košice, Mäsiarska 74, 040 01 Košice, Slovakia
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/ Anna Guzanová
  • Faculty of Mechanical Engineering, Department of Mechanical Technology and Materials, Technical University of Košice, Mäsiarska 74, 040 01 Košice, Slovakia
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/ Dagmar Draganovská
  • Faculty of Mechanical Engineering, Department of Mechanical Technology and Materials, Technical University of Košice, Mäsiarska 74, 040 01 Košice, Slovakia
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/ Pavlo O. Maruschak
  • Faculty of Computer Technologies, Department of Automation of Technological Processes and Productions, Ternopil Ivan Pul'uj National Technical University, Ruska str., 56, Ternopil, Ukraine
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/ Mariana Landová
  • Faculty of Mechanical Engineering, Department of Mechanical Technology and Materials, Technical University of Košice, Mäsiarska 74, 040 01 Košice, Slovakia
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Published Online: 2016-12-28 | DOI: https://doi.org/10.1515/ama-2016-0046

Abstract

The paper presents results of research of the essential characteristics of two kinds of advanced coatings applied by HVOF technology. One studied coating: WB-WC-Co (60-30-10%) contains two types of hard particles (WC and WB), the second coating is eco-friendly alternative to the previously used WC-based coatings, called “green carbides” with the composition WC-FeCrAl (85-15%). In green carbides coating the heavy metals (Co, Ni, NiCr) forming the binding matrix in conventional wear-resistant coatings are replaced by more environmentally friendly matrix based on FeCrAl alloy. On the coatings was carried out: metallographic analysis, measurement of thickness, micro-hardness, adhesion, resistance to thermal cyclic loading and adhesive wear resistance (pin-on-disk test). One thermal cycle consisted of heating the coatings to 600°C, dwell for 10 minutes, and subsequently cooling on the still air. The number of thermal cycles: 10. The base material was stainless steel AISI 316L, pretreatment prior to application of the coating: blasting with white corundum, application device JP-5000.

Keywords: Coating; HVOF Technology; Adhesion; Friction Coefficient; Thermal Loading

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About the article

Received: 2016-02-23

Revised: 2016-11-29

Accepted: 2016-12-02

Published Online: 2016-12-28

Published in Print: 2016-12-01


Citation Information: Acta Mechanica et Automatica, Volume 10, Issue 4, Pages 296–299, ISSN (Online) 2300-5319, DOI: https://doi.org/10.1515/ama-2016-0046.

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© 2016 Bialystok University of Technology. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License. BY-NC-ND 3.0

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