Development of phased array ultrasonic system for detecting rail cracks

被引：44

作者：

Kim, Geonwoo ^{[1
,2
]}

Seo, Mu-Kyung ^{[3
]}

Kim, Yong-Il ^{[2
,4
]}

Kwon, Segon ^{[5
]}

Kim, Ki-Bok ^{[2
,3
]}

机构：

[1] ARS, Environm Microbial & Food Safety Lab, USDA, Powder Mill Rd Bldg 303,BARC East, Beltsville, MD 20705 USA

[2] Univ Sci & Technol, Dept Sci Measurement, 217 Gajeong Ro, Daejeon 34113, South Korea

[3] Korea Res Inst Stand & Sci, Ctr Safety Measurement, 267 Gajeong Ro, Daejeon 34113, South Korea

[4] Korea Res Inst Stand & Sci, Ctr Convergence Property Measurement, 267 Gajeong Ro, Daejeon 34113, South Korea

[5] Korail Co Ltd, 240 Jungangno, Daejeon 34113, South Korea

来源：

SENSORS AND ACTUATORS A-PHYSICAL | 2020年 / 311卷

关键词：

Non-destructive testing (NDT); Phased array ultrasonic testing (PAUT); S-scan; Radiographic testing (RT); Rail; CIVA software; 1-3; COMPOSITE; TRANSDUCERS; PZT;

D O I：

10.1016/j.sna.2020.112086

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this study, a phased array ultrasonic system for detecting rail cracks (PAUSR) was developed which consists of two phased array (PA) ultrasonic transducers, a water tank, a display monitor, a battery, a commercial 64 channel PA board, and its control software. To accomplish this, the acoustic fields and crack detection images of newly developed PA ultrasonic transducers were simulated and analyzed by the CIVA (CIVA 2016, NDE CIVA, USA) software. The major design factors for the PAUSR is the capability of evaluating crack size (over 2 mm), generating proper acoustic fields in the rail and easy and safe handling for operators. For the performance test of the designed PA ultrasonic transducer, Non-destructive Characterization and Verification of Ultrasonic Phased Array Equipment, Part 2: Probes (EN ISO 18563-2:2017) was conducted. In addition, artificial crack detection images were simulated by the CIVA software, and an experiment under the same CIVA simulation conditions was also performed for comparison purposes. For the last verification, natural defective specimens with bolt-hole star-cracking, longitudinal vertical cracking and welding defects were scanned by the developed PAUSR, and its results were analyzed and compared with the radiographic testing (RT) and CIVA simulation outcomes. (c) 2020 Elsevier B.V. All rights reserved.

引用

页数：11

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