A Novel Fatigue Crack Angle Quantitative Monitoring Method Based on Rotating Alternating Current Field Measurement Article Swipe

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Xin’an Yuan , Wei Li , Jianming Zhao , Xiaokang Yin , Xiao Li , Jianchao Zhao ·

YOU? · · 2024 · Open Access · · DOI: https://doi.org/10.1007/978-981-97-4224-0_3

Under complicated fatigue loading conditions, cracks initiate nd grow in the arbitrary direction from corrosion pits in the aerospace equipment. The monitoring of crack propagation angle is very important for the safety assessment of the aerospace equipment, which is still a challenge by the conventional structural health monitoring (SHM) method. In this paper, a novel crack angle quantitative monitoring method is presented based on the rotating alternating current field measurement (RACFM). A theoretical model of the crack angle measuring method is established to analyze the perturbation principle of the induced electromagnetic field. The relationships between the angle, length and depth of the crack and the Bz signal are analyzed. The probe and testing system are established, and experiments are carried out. The results show that the phase of the Bz signal has a linear relationship with the crack angle for the same crack, and the amplitude of the Bz signal can correct the crack angle for the different cracks. The angle of fatigue cracks can be quantitatively measured by the Bz phase difference method based on the RACFM.

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Structural Engineering

Aerospace Engineering

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Phase angle (astronomy) Materials science SIGNAL (programming language) Acoustics Amplitude Structural health monitoring Aerospace Phase (matter) Structural engineering Pitch angle Field (mathematics) Mechanics Engineering Composite material Optics Computer science Physics Aerospace engineering Mathematics Geophysics Pure mathematics Programming language Quantum mechanics

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Type: book-chapter
Language: en
Landing Page: https://doi.org/10.1007/978-981-97-4224-0_3
PDF: https://link.springer.com/content/pdf/10.1007/978-981-97-4224-0_3.pdf
OA Status: gold
Cited By: 1
References: 32
Related Works: 10
OpenAlex ID: https://openalex.org/W4400337512

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DOI: https://doi.org/10.1007/978-981-97-4224-0_3

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Title: A Novel Fatigue Crack Angle Quantitative Monitoring Method Based on Rotating Alternating Current Field Measurement

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Language: en

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Publication year: 2024

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Publication date: 2024-01-01

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Authors: Xin’an Yuan, Wei Li, Jianming Zhao, Xiaokang Yin, Xiao Li, Jianchao Zhao

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Landing page: https://doi.org/10.1007/978-981-97-4224-0_3

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Concepts: Phase angle (astronomy), Materials science, SIGNAL (programming language), Acoustics, Amplitude, Structural health monitoring, Aerospace, Phase (matter), Structural engineering, Pitch angle, Field (mathematics), Mechanics, Engineering, Composite material, Optics, Computer science, Physics, Aerospace engineering, Mathematics, Geophysics, Pure mathematics, Programming language, Quantum mechanics

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Cited by: 1

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publication_date	2024-01-01
publication_year	2024
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