scholarly journals Wear Resistance of Thermal Spray WC-Co-VC Nanostructured Coatings

10.5772/64575 ◽  
2016 ◽  
Author(s):  
José Cabral Miramontes ◽  
Citlalli Gaona Tiburcio ◽  
Abraham Velasco Tellez ◽  
Carlos Poblano Salas ◽  
Facundo Almeraya Calderón
Keyword(s):  
Wear Resistance ◽  
Thermal Spray ◽  
Nanostructured Coatings

Wear resistance of chromium oxide nanostructured coatings

2009 ◽  
Vol 35 (2) ◽  
pp. 913-916 ◽  
Author(s):  
A. Cellard ◽  
V. Garnier ◽  
G. Fantozzi ◽  
G. Baret ◽  
P. Fort
Keyword(s):  
Wear Resistance ◽  
Chromium Oxide ◽  
Nanostructured Coatings

scholarly journals Increasing the wear resistance of Al-Mg components using thermal-spray coatings

2017 ◽  
Vol 51 (4) ◽  
pp. 673-678 ◽  
Author(s):  
R. Lukauskaitë ◽  
O. Černašëjus ◽  
J. Škamat ◽  
S. Asadauskas ◽  
A. Ručinskienë ◽  
...  
Keyword(s):  
Wear Resistance ◽  
Thermal Spray ◽  
Thermal Spray Coatings ◽  
Spray Coatings

Preliminary Investigation on the Potential of VC-WC-Co HP/HVOF Powders and Coatings

2000 ◽  
Author(s):  
H.L. de Villiers-Lovelock ◽  
S. Luyckx
Keyword(s):  
Wear Resistance ◽  
Phase Composition ◽  
Thermal Spray ◽  
Preliminary Investigation ◽  
Solid Particle Erosion ◽  
Particle Erosion ◽  
Homogeneous Dispersion ◽  
Hvof Process ◽  
Three Body Abrasion ◽  
Three Body

Abstract It has been observed that VC-WC-Co hardmetals have a better wear resistance than conventional WC-Co hardmetals. This work represents a first attempt to add VC to thermal spray powders in order to determine whether this would increase the wear resistance of HVOF hardmetal coatings. Standard WC-Co and WC-CoCr thermal spray powders were compared to two experimental VC-WC-Co powders in terms of size distribution, morphology and phase composition. Coatings were produced from the powders using the TAFA JP-5000 High Pressure High Velocity Oxy-Fuel (HP/HVOF) process. The microstructure, phase composition, hardness, dry solid particle erosion and three body abrasion of the coatings were compared. It was found that due to the non-homogeneous dispersion of VC particles in the powders, the experimental coatings were not optimised. Nevertheless they showed some advantage over the conventional coatings, particularly in low angle erosion tests. This result is regarded as promising, and it is believed that a homogeneous dispersion of VC particles in the coatings would result in a significant increase in wear resistance. In order to test this, the manufacture of improved powders and optimised coating microstructures would be necessary as a next step.

New electrodes for producing nanostructured coatings on aluminum parts using electrospark dopin

2021 ◽  
pp. 574-576
Author(s):  
E.V. Yurchenko ◽  
O.E. Yurchenko
Keyword(s):  
Wear Resistance ◽  
Aluminum Alloy ◽  
Nanostructured Coatings ◽  
Mechanical Mixture ◽  
High Melting ◽  
New Type

It is shown that a new type of electrode is obtained during the process of electrospark doping of the aluminum alloy surfaces, the microstructure of which is a mechanical mixture consisting of grains of high-melting component surrounded by a thin grid of low-melting component, which makes it possible to obtain micro- and nanowires made of low-melting component in the coating and leads to a significant improvement of the wear resistance of the coating. If the specified proportions of the components of the electrode are changed, micro- and nanowires will not be formed in the coating.

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