基于高压电性PMNT陶瓷的无损检测高频超声换能器

Translated title of the contribution: High Frequency Ultrasound Transducer for Nondestructive Testing Based on PMNT Ceramics with High Piezoelectricity

Weiyan Ding, Xiaobing Li, Yongcheng Zhang, Dongxu Liu, Junting Tian, Xinlun Li, Kwok Ho Lam

Research output: Journal article publicationJournal articleAcademic researchpeer-review

Abstract

The Sm-doped Pb(Mg1/3Nb2/3)O3-0.30PbTiO3 (PMN-0.30PT) ceramic has very large piezoelectric response (d33~1 300 pC/N) that can be comparable with the PMN-0.30PT single crystal, but it has higher consistency and lower cost than piezoelectric single crystal. Aiming at the industrial application of high frequency ultrasonic non-destructive testing, a high-frequency ultrasonic transducer with a center frequency of greater than 30.5 MHz is designed and fabricated based on Sm-doped PMN-0.30PT ceramics in this paper. The performance of the transducer was characterized by the ultrasonic pulse echo method, and its sound field is tested. The ultrasonic imaging of the microstructure of small plastic parts is carried out by using the prepared high-frequency ultrasonic transducer. The results show that the high-frequency ultrasonic transducer based on Sm-doped PMN-0.30PT ceramic has excellent imaging performance and is suitable for the industrial preparation of high frequency ultrasonic nondestructive testing imaging.

Translated title of the contributionHigh Frequency Ultrasound Transducer for Nondestructive Testing Based on PMNT Ceramics with High Piezoelectricity
Original languageChinese (Simplified)
Pages (from-to)781-785
Number of pages5
JournalYadian Yu Shengguang/Piezoelectrics and Acoustooptics
Volume43
Issue number6
DOIs
Publication statusPublished - 20 Dec 2021

Keywords

  • Dielectric property
  • High-frequency ultrasound transducer
  • Nondestructive testing
  • Piezoelectric performance
  • Sm-doped PMN-0.30PT ceramics

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Acoustics and Ultrasonics
  • Materials Chemistry

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