Recent Progresses in Thermal-Sprayed Lead-Free Piezoelectric Ceramic Coatings for Structural Health Monitoring

IF 2.6 4区材料科学 Q2 MATERIALS SCIENCE, CERAMICS

International Journal of Applied Ceramic Technology Pub Date : 2026-07-07 DOI:10.1111/ijac.70240

Hao Chen, Kui Yao

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Abstract

Thermal spray deposition shows potential value for producing lead-free piezoelectric ceramic coatings owing to its high deposition rate, large-area coverage, and suitability for open-environment processing. These attributes make thermal spray process particularly appealing for structural health monitoring (SHM), where scalable and large-scale environmentally friendly transducer integration is essential. Starting from a brief introduction to the principles of thermal spray, this review summarizes the recent progresses in the thermal spray fabrication of lead-free piezoelectric coatings, after the first success in obtaining potassium sodium niobate (KNN)- and bismuth sodium titanate (BNT)-based piezoelectric ceramic coatings using this method. The ultrasonic transducers enabled by the thermal-sprayed lead-free piezoelectric coatings for SHM are highlighted. The major challenges and future opportunities for advancing thermal-sprayed piezoelectric coatings toward SHM applications are discussed.

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结构健康监测用热喷涂无铅压电陶瓷涂层研究进展

热喷涂沉积具有沉积速率高、覆盖面积大、适合开放环境加工等优点，在生产无铅压电陶瓷涂层方面具有潜在的应用价值。这些特性使得热喷涂工艺对结构健康监测（SHM）特别有吸引力，在这种监测中，可扩展和大规模环保传感器集成是必不可少的。本文从简要介绍热喷涂的原理入手，综述了热喷涂制备无铅压电陶瓷涂层的最新进展，首次成功制备了铌酸钾钠(KNN)-和钛酸铋钠（BNT）基压电陶瓷涂层。重点介绍了热喷涂无铅压电涂层用于SHM的超声波换能器。讨论了推进热喷涂压电涂层向SHM应用的主要挑战和未来机遇。

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来源期刊

International Journal of Applied Ceramic Technology 工程技术-材料科学：硅酸盐

CiteScore

3.90

自引率

9.50%

发文量

280

审稿时长

4.5 months

期刊介绍： The International Journal of Applied Ceramic Technology publishes cutting edge applied research and development work focused on commercialization of engineered ceramics, products and processes. The publication also explores the barriers to commercialization, design and testing, environmental health issues, international standardization activities, databases, and cost models. Designed to get high quality information to end-users quickly, the peer process is led by an editorial board of experts from industry, government, and universities. Each issue focuses on a high-interest, high-impact topic plus includes a range of papers detailing applications of ceramics. Papers on all aspects of applied ceramics are welcome including those in the following areas: Nanotechnology applications; Ceramic Armor; Ceramic and Technology for Energy Applications (e.g., Fuel Cells, Batteries, Solar, Thermoelectric, and HT Superconductors); Ceramic Matrix Composites; Functional Materials; Thermal and Environmental Barrier Coatings; Bioceramic Applications; Green Manufacturing; Ceramic Processing; Glass Technology; Fiber optics; Ceramics in Environmental Applications; Ceramics in Electronic, Photonic and Magnetic Applications;