Tribological Properties of Micro-Textured Si3N4 Ceramics under Fe3O4 Nanofluid Lubrication
The combination of nanofluid and micro-texture was an effective method to improve the tribological properties of Si3N4 ceramics.The effect of different parameters of nanofluids on the friction and wear properties of micro-textured Si3N4 ceramic specimens under the action of self-excited electric field was investigated with MMW-1D frictional wear test machine.The average friction coefficient,the wear of the grinding balls,the wear morphology of the specimens and the X-ray photoelectron spectroscopy(XPS)of the lower specimens were analyzed.The micro-textured specimens were found to have the lowest average coefficient of friction and wear of the grinding balls when combined with sodium lauriminodipropionate,a surfactant with a volume fraction of 0.5%,and the wear of the Si3N4 ceramic specimens was significantly improved.Combined with the relevant results of tribological tests,the antifriction and lubrication mechanism of nanofluid on micro-textured specimens was revealed.
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