Abstract
Hybrid reinforced aluminum-based composites with a silicate component with pozzolanic activity and silicon carbide ceramic particles as reinforcement phases can form an iron-poor friction transfer film during the friction process, thereby making the aluminum-based composites exhibit a high friction coefficient and a low wear rate characteristics. The phase composition in the friction transfer film was investigated utilizing focused ion beams, transmission electron microscopy, and energy-dispersive X-ray analysis. The results showed that the friction transfer film was mainly composed of nanosized aluminum, ultra-fine aluminum, and crushed silicate particles, which interwove into a nano-network structure to protect the matrix and improve the friction performance.
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