Indentation Behavior and Mechanical Properties of Tungsten/Chromium co-Doped Bismuth Titanate Ceramics Sintered at Different Temperatures
Abstract
:1. Introduction
2. Experiment
2.1. Preparation of Ceramics
2.2. Characterization of Ceramics
2.2.1. Microstructural Characteristics
2.2.2. Nanoindentation Test
2.2.3. Vickers Indentation Test
3. Result and Discussion
4. Conclusions
Acknowledgments
Author Contributions
Conflicts of Interest
References
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Sintering Temperature | 1050 °C | 1075 °C | 1100 °C | 1125 °C | 1150 °C |
---|---|---|---|---|---|
Phase content of Bi2Ti2O7 (%) | 6.63 | 2.52 | 2.46 | 10.18 | 3.27 |
Average grain size of Bi4Ti3O12 (μm) | 3.2 | 4.3 | 5.1 | 7.6 | 16.1 |
Relative density of ceramics (%) | 95.42 | 97.09 | 95.36 | 96.71 | 97.83 |
Sintering Temperature | H (GPa) | E (GPa) | h (nm) | hc (nm) | hp (nm) |
---|---|---|---|---|---|
1050 °C | 6.30 | 96.07 | 904.51 | 795.71 | 644.07 |
1075 °C | 6.14 | 98.13 | 911.15 | 805.44 | 663.29 |
1100 °C | 6.12 | 93.49 | 918.08 | 807.19 | 675.80 |
1125 °C | 5.89 | 98.57 | 924.91 | 822.58 | 662.88 |
1150 °C | 5.62 | 90.00 | 951.34 | 842.80 | 682.11 |
Sintering Temperature | d (μm) | H (Gpa) | P (N) | C (μm) | K (MPa·m1/2) |
---|---|---|---|---|---|
1050 °C | 96.19 | 3.93 | 19.6 | 102.16 | 1.50 |
1075 °C | 97.83 | 3.80 | 19.6 | 92.86 | 1.78 |
1100 °C | 100.59 | 3.59 | 19.6 | 87.69 | 1.95 |
1125 °C | 103.15 | 3.42 | 19.6 | 88.74 | 2.02 |
1150 °C | 105.83 | 3.25 | 19.6 | 88.83 | 1.97 |
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Xie, S.; Xu, J.; Chen, Y.; Tan, Z.; Nie, R.; Wang, Q.; Zhu, J. Indentation Behavior and Mechanical Properties of Tungsten/Chromium co-Doped Bismuth Titanate Ceramics Sintered at Different Temperatures. Materials 2018, 11, 503. https://doi.org/10.3390/ma11040503
Xie S, Xu J, Chen Y, Tan Z, Nie R, Wang Q, Zhu J. Indentation Behavior and Mechanical Properties of Tungsten/Chromium co-Doped Bismuth Titanate Ceramics Sintered at Different Temperatures. Materials. 2018; 11(4):503. https://doi.org/10.3390/ma11040503
Chicago/Turabian StyleXie, Shaoxiong, Jiageng Xu, Yu Chen, Zhi Tan, Rui Nie, Qingyuan Wang, and Jianguo Zhu. 2018. "Indentation Behavior and Mechanical Properties of Tungsten/Chromium co-Doped Bismuth Titanate Ceramics Sintered at Different Temperatures" Materials 11, no. 4: 503. https://doi.org/10.3390/ma11040503