Creep of monolithic and fibre-reinforced silicon carbide

Nanoscale toughening of low carbon Al2O3‐C refractories by means of SiCnw/Al2O3 composite reinforcement

“…Furthermore, the introduction of SiC nw /Al 2 O 3 composite powders promoted the formation of low‐dimensional morphological in‐situ ceramic phases such as fibrous, flake, and rod in the Al‐Si‐O‐N‐C system. As ceramic materials toughened by one‐dimensional phase studied in many works of literature, the one‐dimensional phase and the matrix have appropriate bonding interface strength, which can play the role of increasing the resistance of crack propagation and consuming elastic strain energy owing to the one‐dimensional phase pulled out of the matrix, its own fracture, and the deflection of the crack when the stress is generated, thus improving the strength and toughness of the materials 57–58 …”

“…As ceramic materials toughened by one-dimensional phase studied in many works of literature, the one-dimensional phase and the matrix have appropriate bonding interface strength, which can play the role of increasing the resistance of crack propagation and consuming elastic strain energy owing to the one-dimensional phase pulled out of the matrix, its own fracture, and the deflection of the crack when the stress is generated, thus improving the strength and toughness of the materials. [57][58] Moreover, the advantage of the SiC nw /Al 2 O 3 cluster structure is not only the uniformly dispersed SiC nanowires but also that a large number of nano-sized SiC particles are evenly distributed in the cluster. The toughening mechanism diagram was shown in Figure 20E this view, the cluster in the refractory matrix of shocked A6 was characterized by SEM-EDS and showed the results in Figure 21 and Table 10.…”