Fig. 1. Preparation process of Al-Ti composites

Fig. 2. Compression specimen

Fig. 3. SEM images of an aluminum-based composite structure. (a) Titanium/aluminum matrix organization at and near the interface; (b) reaction-generated interface morphology; (c) TC4 skeleton microstructure after melting; (d) precipitation phase morphology in the interface near the TC4 skeleton; (e) precipitation phase morphology in the middle region of the interface; (f) precipitation phase morphology in the interface near the aluminum matrix; (g) elemental distribution near the interface; (h) distribution statistics of quantitative elements in and around the interface

Fig. 4. Mechanical properties of aluminum-based composite structures. (a) Load-indentation depth curves; (b) hardness statistics for different regions; (c) compressive stress-strain curves; (d) comparison of actual and theoretical compressive strengths

Fig. 5. Surface morphology of crushed sample. (a) Macroscopic morphology; (b) macroscopic morphology of the crack; (c) microscopic morphology of the crack; (d) streamline near the crack

Fig. 6. TEM images of the interface. (a) HAADF-STEM images; (b)‒(h) EDS mapping images

Fig. 7. TEM images of the interface. (a) HAADF-STEM image of dislocations; (b) SAED mode in dislocation region; (c) HAADF-STEM image of twinning; (d) twinning SAED mode