Abstract
In this paper, a variety of micro-textures made by imitating the biological body surface are mentioned, and four common biomimetic texture types—convex hull, pit, groove and corrugation—are summarized by referring to a large number of literatures. These texture types that are widely used are those of the grooves and the pits of non-smooth surface because their viscosity drag reduction effects are relatively optimal for wear-resistance; in view of these two types of textures (with others including pit diameter, groove width, depth and area of share, and morphology spacing), we use data analysis and comparisons to find optimal parameter values in order to find the optimal effect of drag reduction and anti-sticking wear-resistance. Several texture processing methods are briefly introduced through case analysis and an illustration of the viscosity drag reduction mechanism of wear-resistance, and general fluid dynamic pressure is deduced from a theory formula in order to facilitate future research work on the basis of the optimal parameters to further improve the friction, wear lubrication, and hydrophobic properties, thus improving the bionic texture surface efficiency of saving energy and reducing consumption in industrial applications.
Highlights
With the evolution of billions of years, the forms, structures, and functions of organisms in nature have been optimized [1]
A growing number of researchers have dedicated their time to bionic texture drag reduction and
A growing number of researchers have dedicated their time to bionic texture drag reduction and wear-resistance, and they have made progress
Summary
With the evolution of billions of years, the forms, structures, and functions of organisms in nature have been optimized [1]. The research purpose of this paper was to improve the operation of friction drag reduction on the surface of a friction pair in the process of wear and lubrication performance through the analysis and summarization of experimental data in different working conditions in order to find the optimal texture parameters of texture design; this allowed for an exploration of texture design’ influence on the coefficient of friction and wear volume so that a desired surface performance, a further study of the tribological properties of materials, Coatings 2020, 10, 171; doi:10.3390/coatings10020171 www.mdpi.com/journal/coatings. Avoiding direct contact between the rough peaks can effectively reduce wear; the design of the groove texture can reduce the contact area between friction pairs, and if the abrasive particles are not lubricated in time, micro-cutting occurs on the surface. The groove can achieve a secondary oil supply and dynamic pressure lubrication, which reduce frictional resistance and greatly reduce the amount of wear
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