Mechanical properties and crack propagation behaviors of laminated Ti/Al₂O₃ composite

Peer review under responsibility of The Ceramic Society of Japan and the Korean Ceramic Society.

Figures & data

Fig. 1 Green films of Ti and Al₂O₃ (a), laminated structure (b) and samples after sintering (c).

Fig. 2 Flexural strength and fracture toughness of laminated Ti/Al₂O₃ composite with different amount of layers.

Fig. 3 Load–displacement curve of laminated Ti/Al₂O₃ composite composed of 35 layers.

Fig. 4 The crack branch, crack deflection (a) and crack deflection angle (b) of laminated Ti/Al₂O₃ composite after the bending test.

Fig. 5 Crack bifurcation (a), crack termination (b) and interface dissociation (c) in crack propagation paths.

Fig. 6 SEM micrographs (a–c) of sample fracture and surface and element diffusion analysis of EDX: (d) Ti Kα1; (e) Al Kα1 and (f) O Kα1.

Fig. 7 XRD patterns of longitudinal section of laminated Ti/Al₂O₃ composite.