Abstract
This paper evaluates the wear of two different materials (ceramic and 30Cr2MoVA) of friction pairs of ultra-high-pressure axial piston by means of experimental investigations. Face sliding wear test was carried out on wear testing machine to analyze the coefficient of friction during boundary friction. Then wear amount of the sample is obtained by weighing with the electronic balance. The change of the surface morphology was observed by a laser confocal microscope. By comparing the friction coefficient, wear amount, surface morphology, temperature change, and roughness of the two samples, it has been found that ceramic materials have lower friction coefficient, better wear resistance, and less oil temperature rise than 30Cr2MoVA material. By the above research results it was found that ceramic materials perform better than 30Cr2MoVA, which provides the foundation for further study of the friction pair of the ultra-high-pressure axial piston pump.
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Schedule a callMore From: Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering
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