Figure 4. Scanning electron micrographs of the worn surfaces of the composite with (a) 1.5 mass% Mg; (b) 2.5 mass% Mg; (c) 3.5 mass% Mg; (d) 4.0 mass% Mg [load 5 N; time: 1200 seconds]

From

Effect of Mg on the Wear Behaviour of as-cast Al-4.5Cu-3.4Fe in-situ Composite

Mohammad Sharear kabir, Tamzid Ibn Minhaj, Md Delower Hossain, ASW Kurny

American Journal of Materials Engineering and Technology. 2015, 3(1), 7-12 doi:10.12691/materials-3-1-2