Research Article
Effects of Moulding Sand Permeability and Pouring Temperatures on Properties of Cast 6061 Aluminium Alloy
Table 5
XRD analysis of scrap Al sample.
| | Peak | Diffraction angle 2θ | Grain size (Å) | Crystal structures | Phases |
| 1 | 0.20 | 23.0124 | 0.39 | Triclinic | Al2Si4O10 | 2 | 0.25 | 27.6803 | 0.05 | Tetragonal | MgO·Al2O3 | 3 | 0.15 | 32.2546 | 0.43 | Triclinic | Al2Si4O10 | 4 | 1.80 | 37.8674 | 0.14 | Tetragonal | CuAl2 | 5 | 0.95 | 46.1875 | 0.24 | Monoclinic | AlCu | 6 | 0.10 | 46.7107 | 0.60 | Monoclinic | SiO2 | 7 | 0.35 | 51.2504 | 0.43 | Triclinic | Al2Si4O10 | 8 | 0.15 | 56.0038 | 0.60 | Monoclinic | SiO2 | 9 | 0.20 | 59.7511 | 0.47 | Cubic | CuAl2 | 10 | 0.35 | 64.7793 | 0.10 | Monoclinic | AlCu | 11 | 0.20 | 68.2625 | 0.31 | Triclinic | Al2Si4O10 |
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