Xueyao WANG, Wugang WANG, Yingwei LI, Qi PENG, Ruihong LIANG. Correlation between Constitutive Behavior and Fracture Performance of PZT Ceramics [J]. Journal of Inorganic Materials, 2023, 38(7): 839
- Journal of Inorganic Materials
- Vol. 38, Issue 7, 839 (2023)
1. Optical microscope image of a V-notch
2. Measured COD plotted versus the calculated COD(a) PZT-4; (b) PZT-5; (c) PZT-8
3. Stress-strain curves of PZT obtained during mechanical compression(a) PZT-4; (b) PZT-5; (c) PZT-8
4. Fracture toughness ${{K}_{Ivnb}}$ and intrinsic fracture toughness ${{K}_{I0}}$ for PZT-4, -5, and -8
5. Illustration of the toughening mechanism(a) PZT-4 and PZT-5; (b) PZT-8
S1. COD profiles for (a) PZT-4, (b) PZT-5, and (c) PZT-8The Irwin parabola is represented by the red line
S2. SEM images of (a) PZT-4, (b) PZT-5 and (c) PZT-8
S3. Crack propagates along a grain boundary(a)With direction parallel to the main crack; (b) With an angle of θ to the main crack
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Table 1.
Microstructural properties of the investigated materials
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Table 2.
Determined values of
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