Enhancing the physical and mechanical properties of materials used for metal-polymer systems in structures operating under dry friction conditions through double reinforcement

In this article, double-reinforced heterocomposite polymer materials based on ED-20 epoxy resin weredeveloped, and their mechanical properties and performance under dry friction conditions wereinvestigated. The study utilized silk and basalt fibers, as well as kaolin as a dispersed filler, to evaluatethe composite materials' properties such as tensile strength, bending resistance, hardness, and impactresistance. Results indicated that composites containing 25 wt.% silk and 5 wt.% basalt fiber exhibitedoptimal mechanical properties and significantly enhanced impact resistance. These findings enable moreefficient operation of machine parts subjected to dry friction conditions, particularly the blades ofpneumatic transport fans.

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