Figures & data
Figure 1. Schematic drawings showing the semi-solid processing process for the preparation of the hypereutectic Al–Si alloy cylindrical samples.
Table 1. The composition of the hypereutectic Al–Si alloy cylinder liners (wt.%).
Figure 2. The schematic illustrations of hypereutectic Al–Si alloy cylindrical samples with different inner gate structures: (a, b) the depth of the curved inner gate is 5 mm (D5) and (c, d) the depth of the curved inner gate is 9 mm (D9).
Figure 3. The schematic illustrations of the sample selection area.
Figure 4. Microstructures on the radial cross-section of D5 samples: (a–e) upper zone (D5-U); (f–j) middle (D5-M); and (k–o) lower zone (D5-B).
Figure 5. Characteristic parameters (equivalent diameter (a) and VF (b)) of hard phases and macro-hardness (c) in different regions of D5 samples.
Figure 6. Microstructure of radial cross-section of D9 samples: (a–e) upside (D9-U); (f–j) middle (D9-M); and (k–o) below (D9-B).
Figure 7. Characteristic parameters (equivalent diameter (a) and VF (b)) of hard phases and macro-hardness (c) in different regions of D9 samples.
Figure 8. The filling schematics of hypereutectic Al–Si alloy samples: (a) D5; (b) D9; (c) flow condition of liquid phase between adjacent solid phases.
Data availability statement
Data is contained within the article.