<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The paper focuses on assessment the resistance of hot-sprayed coatings applied by HVOF technology (WC–Co–Cr created using powder of two different grain sizes) against erosive wear by dry-pot wear test in a pin mill at two sample angles. As these coatings are designated for the environment with varying elevated temperatures and often are in contact with the abrasive, the coatings have been subjected to thermal cyclic loading and their erosive resistance has been determined in as-sprayed condition and after the 5<sup>th</sup> and 10th thermal cycles. The corrosion resistance of coatings was evaluated by linear polarization (Tafel analysis).</p></abstract>

The paper focuses on assessment the resistance of hot-sprayed coatings applied by HVOF technology (WC–Co–Cr created using powder of two different grain sizes) against erosive wear by dry-pot wear test in a pin mill at two sample angles. As these coatings are designated for the environment with varying elevated temperatures and often are in contact with the abrasive, the coatings have been subjected to thermal cyclic loading and their erosive resistance has been determined in as-sprayed condition and after the 5th and 10th thermal cycles. The corrosion resistance of coatings was evaluated by linear polarization (Tafel analysis).

Properties of coatings created by HVOF technology using micro-and nano-sized powder

Faculty of Mechanical Engineering, Department of Mechanical Technology and Materials

Ternopil Ivan Puľuj National Technical University

Koroze a ochrana materiálu

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

The paper focuses on assessment the resistance of hot-sprayed coatings applied by HVOF technology (WC–Co–Cr created using powder of two different grain sizes)...

Properties of coatings created by HVOF technology using micro-and nano-sized powder

Publié en ligne: 26 juin 2019

Pages: 86 - 93

DOI: https://doi.org/10.2478/kom-2019-0011

© 2019 Guzanová A. et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.