通过控制的二次固化来提高DPL打印的压电陶的层间粘合
Yaoting Zhao1, Ruihang Liu1, Wenlong Wang2
1Shandong Provincial Key Laboratory of Green and Intelligent Building Materials, University of Jinan, Jinan, 250022, China.
Advanced science (Weinheim, Baden-Wurttemberg, Germany)
|September 5, 2025
概括
本研究介绍了使用数字光处理 (DLP) 的3D打印压电元件的接口工程策略. 这种方法增强了层间粘合,显著改善了先进传感器应用的压电特性.
科学领域:
- 材料科学
- 添加剂制造
- 压电陶
背景情况:
- 数字光处理 (DLP) 是制造复杂压电元件的关键增材制造技术.
- 在DLP打印的陶中层间的裂会降低压电传感器的性能.
- 先进的压电材料对于高灵敏度的传感系统至关重要.
研究的目的:
- 为3D打印带有增强性能的压电元件开发接口工程策略.
- 为了克服DLP制造的压电陶中的层间裂纹问题.
- 在3D打印的超级晶格结构中实现卓越的压电性能.
主要方法:
- 使用数字光处理 (DLP) 进行压电元件的增材制造.
- 实施了一种涉及受控二次固化的界面工程策略.
- 优化层暴露时间以改善表面特性和层间粘合.
主要成果:
- 在t-20陶中实现了最佳的层间粘合.
- 获得高压电常数 (d33) 516 ± 8 pC·N-1,相当于商业陶.
- 在17.3N的开放电路电压下表现出超高的压电反应.
- 表现出高压敏度 (27.9 V·N-1) 和对微弱负荷的反应 (0.1 N).
结论:
- 开发的界面工程策略有效地增强了DLP打印的压电元件的层间粘合.
- 超级晶格压电元件具有卓越的压电性能和机械性能.
- 这一进步使得可靠的非接触式动态监测成为可能,并为先进的传感应用开辟了新的可能性.
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