3D Printing of ZrO2 Armor Ceramics with Microwave Sintering
Author Information
Author(s): Liang Zhengang, Zhang Dongjiang, Chen Xin, Pang Chunxu, Guo Xuncheng, Feng Yanfei, Xu Xiqing, Jiménez-Piqué Emilio
Primary Institution: Shenyang Ligong University
Hypothesis
Can 3D printing and microwave sintering improve the properties of ZrO2 armor ceramics?
Conclusion
The study found that ZrO2 ceramics made with 50% PUA via 3D printing and microwave sintering exhibited excellent mechanical properties.
Supporting Evidence
- The optimized photosensitive resin with 50% PUA showed a small volume shrinkage of 4.05%.
- Microwave sintering at 1500 °C resulted in a relative density of 98.3% and fine grain size of 2.1 μm.
- The mechanical properties improved significantly with increasing PUA content up to 50%, achieving a Vickers hardness of 13.4 GPa.
Takeaway
Scientists made strong armor ceramics using a special 3D printing method and a microwave oven, which helped them be tough and light.
Methodology
ZrO2 ceramics were fabricated using DLP 3D printing with varying PUA content, followed by microwave sintering to optimize microstructure and mechanical properties.
Limitations
The study did not explore the long-term durability of the ceramics under real-world conditions.
Digital Object Identifier (DOI)
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