Abstract
The results examination of the tribotechnical properties for solid lubricant coatings, obtained on hard alloy ВК6 (94 %WC+6 %Co) by thermo-hydrochemical treatment (THCT) in a hydrosol based on silver graphite, are presented. The multidimensional technological optimization of the medium composition and the temperature-time parameters of the process was performed for the friction coefficient of the obtained solid lubricant films. The diagrams “property vs. process parameters” were plotted using the obtained mathematical expressions. Treatment with optimal regime permits decreasing the friction coefficient of the hard alloy surface in 3,5 as compared with untreated.
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