<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The paper presents results of investigations of the microstructure and selected properties of improved composite coatings consisting mainly of nickel matrix reinforced by WC particles. The coatings were obtained by flame spraying of powders mixture on non-alloy steel substrates with following material remelting. Structural investigations were performed using both optical and electron microscopy. The distribution of microhardness and abrasion resistance of deposited coatings were also determined. The complex structure of coatings and resulting high wear withstand are the consequence of an intensive action of liquid matrix with dissolving tungsten carbide particles and formation of secondary phases.</p></abstract>

The paper presents results of investigations of the microstructure and selected properties of improved composite coatings consisting mainly of nickel matrix reinforced by WC particles. The coatings were obtained by flame spraying of powders mixture on non-alloy steel substrates with following material remelting. Structural investigations were performed using both optical and electron microscopy. The distribution of microhardness and abrasion resistance of deposited coatings were also determined. The complex structure of coatings and resulting high wear withstand are the consequence of an intensive action of liquid matrix with dissolving tungsten carbide particles and formation of secondary phases.

Microstructure and Mechanical Properties of Ni-WC Thermal Sprayed Composite Coatings

Faculty of Production Engineering, Department of Welding Engineering

Advances in Materials Science

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

The paper presents results of investigations of the microstructure and selected properties of improved composite coatings consisting mainly of nickel matrix...

Microstructure and Mechanical Properties of Ni-WC Thermal Sprayed Composite Coatings

Publié en ligne: 03 janv. 2019

Pages: 24 - 34

DOI: https://doi.org/10.1515/adms-2017-0047

Mots clés
Composite coatings, thermal spraying process, Ni-WC, microstructure

© 2018 M. Bober et al., published by Sciendo

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

Microstructure and Mechanical Properties of Ni-WC Thermal Sprayed Composite Coatings

Publié en ligne: 03 janv. 2019

Pages: 24 - 34

DOI: https://doi.org/10.1515/adms-2017-0047

Mots clésComposite coatings, thermal spraying process, Ni-WC, microstructure

© 2018 M. Bober et al., published by Sciendo

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

Mots clés
Composite coatings, thermal spraying process, Ni-WC, microstructure