Single crystal piezoelectric composite transducers for ultrasound NDE applications

被引：19

作者：

Jiang, Xiaoning ^{[1
]}

Snook, Kevin ^{[1
]}

Walker, Thomas ^{[1
]}

Portune, Andrew ^{[2
]}

Haber, Richard ^{[2
]}

Geng, Xuecang ^{[3
]}

Welter, John ^{[4
]}

Hackenberger, Wesley S. ^{[1
]}

机构：

[1] TRS Technol Inc, 2820 East Coll Ave,Suite J, State Coll, PA 16801 USA

[2] Rutgers State Univ, Ceram & Composite Mat Ctr, Piscataway, NJ 08854 USA

[3] Blatek Inc, State Coll, PA 16801 USA

[4] Nondestruct Evaluat Branch, Wright Patterson AFB, OH 45433 USA

来源：

NONDESTRUCTIVE CHARACTERIZATION FOR COMPOSITE MATERIALS, AEROSPACE ENGINEERING, CIVIL INFRASTRUCTURE, AND HOMELAND SECURITY 2008 | 2008年 / 6934卷

关键词：

single crystal piezoelectrics; piezoelectric composites; NDE; NDT; ultrasound transducers;

D O I：

10.1117/12.776186

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

Single crystal piezoelectric composite transducers including 75 MHz TC-MUT (piezoelectric composite micromachined ultrasound transducers), diced 10 MHz and 15 MHz 1-3 composite transducers were successfully demonstrated with broad bandwidth and high sensitivity. In this paper, the design, fabrication and characterization of composite transducers are reported. C-scan experiments for SiC ceramic samples were performed using these composite transducers as well as some commercial NDE transducers. The results suggest that significant improvements in resolution and penetration depth can be achieved in C-scan NDE imaging using single crystal composite broadband transducers.

引用

页数：10

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