Figure 3.4: As-cast microstructure of HPDC processed primary alloy: (a) SEM image showing primary α-Al and eutectic Al-Si (adapted from [77]), and (b – d) Synchrotron X-ray tomography images of α-Fe intermetallics showing their 3D morphology of (b) polyhedral, (c) fne compact, and (d) Chinese script (adapted from [78]).

Figure 3.4: As-cast microstructure of HPDC processed primary alloy: (a) SEM image showing primary α-Al and eutectic Al-Si (adapted from [77]), and (b - d) Synchrotron X-ray tomography images of α-Fe intermetallics showing their 3D morphology of (b) polyhedral, (c) fne compact, and (d) Chinese script (adapted from [78]).

Figure 3.4: As-cast microstructure of HPDC processed primary alloy: (a) SEM image showing primary α-Al and eutectic Al-Si (adapted from [77]), and (b – d) Synchrotron X-ray tomography images of α-Fe intermetallics showing their 3D morphology of (b) polyhedral, (c) fne compact, and (d) Chinese script (adapted from [78]).

Figure 3.4: As-cast microstructure of HPDC processed primary alloy: (a) SEM image showing primary α-Al and eutectic Al-Si (adapted from [77]), and (b - d) Synchrotron X-ray tomography images of α-Fe intermetallics showing their 3D morphology of (b) polyhedral, (c) fne compact, and (d) Chinese script (adapted from [78]).