Abstract: Piezoelectric ceramic hollow cylinders can be utilized to fabricate high-resolution rotation ultrasonic motor. 2 types of standing-wave motor based on coupled tangential-axial (TA) mode and ...

School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China Henan Key Laboratory of Advanced Nylon Materials and Application, Zhengzhou University, Zhengzhou 450001, ...

Abstract: In this work, a piezoelectric-capacitive hybrid micromachined ultrasonic transducer (HMUT) with a high round-trip gain was developed to achieve superior pulse-echo imaging performance.

Researchers design branch-heterostructure ceramic fibers that triple nanogenerator output and enable accurate self-powered power grid monitoring. (Nanowerk News) A team at Henan University has created ...

The high-performance flexible PENG is designed based on branch-heterostructure fiber fillers. By combining signal processing circuit design and machine learning algorithms, a power grid transmission ...