Tribological characterization of functionally gradient composite (Cu–Fe–CeO2–Al2O3–Cg) for wind turbine brake pad. - Chandhan Kumar, Vummitti; Rajesh Kannan, K.; Srivathsan, G.; Vignesh Ram, A.; Sravan, Vallabhaneni; Vaira Vignesh, R.; Govindaraju, M. (Tribology: Materials, Surfaces & Interfaces, 2023)