Research Article

[Retracted] Experimental Analysis and Optimization of Tribological Properties of Self-Lubricating Aluminum Hybrid Nanocomposites Using the Taguchi Approach

Figure 9

SEM morphologies of the worn surface of (a) AA 2024 (b) AA 2024–5 wt. % SiC (c) AA 2024–5 wt. % SiC–5 wt. % Gr (d) AA 2024–5 wt. % SiC–10 wt. % Gr composite at an applied load of 20 N and a constant speed of 2 m/s.