Research on Nondestructive Testing Method Based on Magnetic Characteristics of Electron Beam Weld Defects.

Qiangqiang Cheng, Jijun Liu, Yisong Wang, Guisuo Xia, Chunquan Li

Abstract read

In one paragraph

Article in Sensors (Basel, Switzerland), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

5 authors.

Qiangqiang ChengSchool of Mechanical and Electronic Engineering, Gandong University, Fuzhou 344000, China.

Jijun LiuSchool of Mechanical and Electronic Engineering, Gandong University, Fuzhou 344000, China.

Yisong WangThe Key Laboratory of Nondestructive Testing, Nanchang Hangkong University, Nanchang 330031, China.

Guisuo XiaThe Key Laboratory of Nondestructive Testing, Nanchang Hangkong University, Nanchang 330031, China.

Chunquan LiSchool of Information Engineering, Nanchang University, Nanchang 330031, China.

Funding

Jiangxi Provincial Key Laboratory of Intelligent Systems and Human-Machine Interaction under Grant 2024SSY03121National Natural Science Foundation under Grant 62173176

6 · The paper itself

Abstract

In view of the problems of poor safety, slow detection speed, and low accuracy of existing nondestructive testing (NDT) technologies, such as X-ray methods and ultrasonic detection in detecting electron beam weld defects in aluminum alloys, this study proposes a weak magnetic NDT method based on the geomagnetic field. Firstly, the finite element analysis method was used to establish a simulation model of aluminum alloy electron beam welding defects, and the distribution characteristics of the magnetic field around weld defects, such as cracks and pores, were obtained. Then, the magnetic anomaly signal at the crack weld was identified by combining the wavelet transform and the least squares method. Finally, experimental tests show that the proposed method can safely, quickly, and accurately detect the defects of aluminum alloy electron beam welds.

Indexed as

aluminum alloyelectron beam weldingfinite element analysiswavelet transformweak magnetic detection

Identifiers

PMID40648348

DOI10.3390/s25134094

PMCPMC12251863

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