期刊
MATERIALS TODAY-PROCEEDINGS
卷 46, 期 -, 页码 7518-7530出版社
ELSEVIER
DOI: 10.1016/j.matpr.2021.01.307
关键词
Slurry erosion; WC-10Co; HVOF; RSM
The study focuses on the performance of WC-10Co coatings coated on a 35CrMo steel substrate using the High Velocity Oxy-Fuel (HVOF) technique under slurry erosion. It was found that rotational speed is the most significant parameter affecting the mass loss of the coatings, followed by angle of impingement, slurry concentration, and time.
The efficient use of coal for power generation has been one of the country's largest challenges. The various investigators have been attempting for several years to substitute crude oil as a liquid fuel by coal slurries. Thus, significant material loss due to the wear of erosion is caused by the different mechanical elements, such as pipelines, pumps, bends, many others in mining, thermal and petroleum. Therefore to improve the lives of such materials, it is most important to research the effect of slurry erosion parameters that influence erosion rate. In this study, we propose the WC-10Co coatings coated by the High Velocity Oxy-Fuel (HVOF) technique on a 35CrMo steel substrate, commonly used in hydraulic turbines, have been examined for slurry erosion. The coating structures were examined using SEM and XRD methods. In addition, the slurry erosion experiments were performed on the coatings to explore the influence of rotational speed, angle of impingement, concentration of slurry and time on erosion behaviours. Findings indicate that the rotational speed was the most significant parameter determining the mass loss of the coatings followed by the angle of impingement, slurry composition, and time. (c) 2021 Elsevier Ltd. All rights reserved. Selection and peer-review under responsibility of the scientific committee of the 3rd International Conference on Materials, Manufacturing and Modelling.
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