一种新型环向偏心涡流探头及其在小径管缺陷检测中的应用

doi:10.3901/JME.2021.12.109

机械工程学报 ›› 2021, Vol. 57 ›› Issue (12): 109-117.doi: 10.3901/JME.2021.12.109

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一种新型环向偏心涡流探头及其在小径管缺陷检测中的应用

杨庆宁^1,2, 解社娟^1,2, 何琨³, 王凯强^1,2, 仝宗飞^1,2, 陈洪恩^1,2, 陈振茂^1,2

1. 西安交通大学机械结构强度与振动国家重点实验室西安 710049;
2. 西安交通大学陕西省无损检测结构完整性评价工程技术中心西安 710049;
3. 中国核动力研究设计院反应堆燃料及材料重点实验室成都 610213

收稿日期:2020-09-07 修回日期:2021-02-09 出版日期:2021-06-20 发布日期:2021-08-31
通讯作者: 解社娟(通信作者),女,1983年出生,副教授,博士研究生导师。主要研究方向为电磁无损检测与断裂力学。E-mail:xiesj2014@mail.xjtu.edu.cn
作者简介:杨庆宁,男,1996年出生。主要研究方向为力学与电磁无损检测。E-mail:kingroom0@stu.xjtu.edu.cn;陈振茂,男,1964年出生,教授,博士研究生导师。主要研究方向为无损检测与力学。E-mail:chenzm@mail.xjtu.edu.cn
基金资助:
国家自然科学基金（51877163，11927801）、反应堆燃料及材料重点实验室基金（6142A060603）、陕西省自然科学基金资助面上（2018JM1048）和新疆自然科学基金（2019D01A76）资助项目

A Novel Circumferential Eccentric Eddy Current Probe and Its Application in Defect Detection of Small-Diameter Tubes

YANG Qingning^1,2, XIE Shejuan^1,2, HE Kun³, WANG Kaiqiang^1,2, TONG Zongfei^1,2, CHEN Hongen^1,2, CHEN Zhenmao^1,2

1. State Key Laboratory for Strength and Vibration of Mechanical Structures, Xi'an Jiaotong University, Xi'an 710049;
2. Shaanxi Engineering Research Center of Nondestructive Testing and Structural Integrity Evaluation, Xi'an Jiaotong University, Xi'an 710049;
3. Science and Technology on Reactor Fuel and Materials Laboratory, Nuclear Power Institute of China, Chengdu 610213

Received:2020-09-07 Revised:2021-02-09 Online:2021-06-20 Published:2021-08-31

摘要/Abstract

摘要： 针对小径管缺陷的检测，传统检测方法基本为Bobbin探头，但这种方法具有不能检出缺陷的环向信息的缺点。基于涡流检测的研究，为达到检出小径管缺陷的多重信息的目的，提出并开发一种新型的环向偏心Bobbin探头。该探头兼具轴向扫描和偏心环向扫描的功能，能够对小径管缺陷的多重信息进行有效检测。具体研究内容基于涡流检测的方法，设计出适用于小径管的可偏心、可环向旋转的Bobbin探头，并建立模型进行模拟计算；通过整合获得的模拟数据，验证新型探头对于小径管缺陷的轴向、环向扫描相比于传统探头的优越性；制作探头并搭建试验系统，对所开发探头检测小径管缺陷的功能进行验证，进一步确立了该新型探头的优越性和高效性。

关键词: 涡流检测, 环向偏心探头, 小径管, 多重缺陷信息, 缺陷定位

Abstract: When it comes to the detection of small-diameter tube defects, eddy current testing using Bobbin probe is the traditional method. But this way is not available to detect the circumferential information of the defect as its inherent disadvantage. Based on the study of eddy current testing, in order to achieve the multiple information from detecting small-diameter tube defects, a novel type of circumferential eccentric Bobbin probe has been proposed and developed. This probe has the ability for both axial scanning and eccentric hoop scanning, which can effectively detect multiple information of small-diameter tube defects. The specific research contents are as follows. With the help of the eddy current testing method, the eccentric and rotatable Bobbin probe is designed suitably for small-diameter tubes, with the model built up for signal simulation. The feasibility of this novel probe is verified by integrating the obtained simulation data, showing the advantages of axial and circumferential scanning for small-diameter tube defects when compared with traditional Bobbin probes. The probe is fabricated and the testing system is established to verify the validity of the developed probe to detect small-diameter tube defects, certifying the superiority and efficiency of the new type of probe further.

Key words: eddy current testing, circumferential eccentric probe, small-diameter tube, multiple defect information, defect location

中图分类号:

TG115

杨庆宁, 解社娟, 何琨, 王凯强, 仝宗飞, 陈洪恩, 陈振茂. 一种新型环向偏心涡流探头及其在小径管缺陷检测中的应用[J]. 机械工程学报, 2021, 57(12): 109-117.

YANG Qingning, XIE Shejuan, HE Kun, WANG Kaiqiang, TONG Zongfei, CHEN Hongen, CHEN Zhenmao. A Novel Circumferential Eccentric Eddy Current Probe and Its Application in Defect Detection of Small-Diameter Tubes[J]. Journal of Mechanical Engineering, 2021, 57(12): 109-117.

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一种新型环向偏心涡流探头及其在小径管缺陷检测中的应用

A Novel Circumferential Eccentric Eddy Current Probe and Its Application in Defect Detection of Small-Diameter Tubes

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