<abstract xmlns="http://www.w3.org/1999/xhtml"><p>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.</p></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.

Study of Selected Properties of Thermally Sprayed Coatings Containing WC and WB Hard Particles

Faculty of Mechanical Engineering, Department of Mechanical Technology and Materials, Technical University of Košice, Mäsiarska 74, 040 01 Košice,

Faculty of Computer Technologies, Department of Automation of Technological Processes and Productions, Ternopil Ivan Pul'uj National Technical University, Ruska str., 56, Ternopil,

Acta Mechanica et Automatica

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The paper presents results of research of the essential characteristics of two kinds of advanced coatings applied by HVOF technology. One studied coating:...

Study of Selected Properties of Thermally Sprayed Coatings Containing WC and WB Hard Particles

Published Online: Dec 28, 2016

Page range: 296 - 299

Received: Feb 23, 2016

Accepted: Dec 02, 2016

DOI: https://doi.org/10.1515/ama-2016-0046

Keywords
Coating, HVOF Technology, Adhesion, Friction Coefficient, Thermal Loading

© 2016 Bialystok University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Study of Selected Properties of Thermally Sprayed Coatings Containing WC and WB Hard Particles

Published Online: Dec 28, 2016

Page range: 296 - 299

Received: Feb 23, 2016

Accepted: Dec 02, 2016

DOI: https://doi.org/10.1515/ama-2016-0046

KeywordsCoating, HVOF Technology, Adhesion, Friction Coefficient, Thermal Loading

© 2016 Bialystok University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
Coating, HVOF Technology, Adhesion, Friction Coefficient, Thermal Loading