Abstract
In this work, the thermal shock behavior of laminated ZrB2–SiC ceramic has been evaluated using indentation‐quench method based on propagation of Vickers cracks and compared with the monolithic ZrB2–SiC ceramic. The results showed that the laminated ZrB2–SiC ceramic exhibited better resistance to crack propagation and thermal shock under water quenching condition, and the critical temperature difference (ΔTc) of laminated ZrB2–SiC ceramic (ΔTc ≈ 590°C) was much higher than that of monolithic ceramic (ΔTc ≈ 290°C). The significant improvement in thermal shock resistance was attributed to residual stresses enhancing the resistance to crack growth during thermal shock loading.
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