Research Article
Effects of Moulding Sand Permeability and Pouring Temperatures on Properties of Cast 6061 Aluminium Alloy
Table 6
XRD analysis of cast Al sample (with MgFeSi inoculant).
| | Peak | Diffraction angle 2θ | Grain size Å | Crystal structures | Phases |
| 1 | 0.20 | 18.4317 | 0.18 | Cubic | Al2CuMg | 2 | 0.10 | 20.1235 | 0.15 | Cubic | Al15(MnFeSi2 | 3 | 0.15 | 27.3567 | 0.15 | Tetragonal | MgO·Al2O3 | 4 | 0.03 | 29.5332 | 0.05 | Triclinic | Al2Si4O10 | 5 | 0.70 | 36.3582 | 0.04 | Triclinic | Al2Si4O10 | 6 | 2.00 | 36.8058 | 0.38 | Triclinic | Al2Si4O10 | 7 | 0.15 | 38.0476 | 0.10 | Monoclinic | AlCu; | 8 | 0.60 | 39.2411 | 0.60 | Monoclinic | SiO2 | 9 | 0.45 | 43.6492 | 0.34 | Triclinic | Al2Si4O10 | 10 | 0.50 | 47.1035 | 0.29 | Cubic | Al5FeSi | 11 | 0.15 | 49.0033 | 0.25 | Cubic | Al5FeSi | 12 | 0.35 | 55.0069 | 0.14 | Tetragonal | SiO4 | 13 | 0.15 | 56.3417 | 0.21 | Tetragonal | Al2CuMg | 14 | 0.15 | 65.2541 | 0.15 | Tetragonal | CuAl2 | 15 | 0.15 | 66.7506 | 0.13 | Cubic | Al2CuMg | 16 | 0.55 | 71.1864 | 0.11 | Hexagonal | SiO2 |
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