Barkhausen noise as a magnetic nondestructive testing technique
Küçük Resim Yok
Tarih
2024
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Erişim Hakkı
info:eu-repo/semantics/openAccess
Özet
Magnetic Barkhausen Noise (MBN) is a magnetic-based non-destructive electromagnetic testing method. Due to the electromagnetic working principle of MBN, it can be used for ferromagnetic materials, which consist of small magnetic fields discredited by domain walls and oriented in various directions. In an external magnetic field application, the fields turn to the magnetic direction, and the domain walls move and cause magnetic flux jumps. The jumps are named Barkhausen Noise (BN). The domain wall movements are sometimes pushed down by microstructure, composition, and defects. As the magnetic domain walls break away from the pinning sites produce MBN signal. MBN can be used for different material properties such as microstructure, composition, residual stress, and hardness. The paper's purpose is to analyze MBN as an improved NDT, clarify the relationship between material properties and MBN profile, and introduce MBN's applications and test equipment of MBN.
Açıklama
Anahtar Kelimeler
Kaynak
Black Sea Journal of Engineering and Science
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Scopus Q Değeri
Cilt
7
Sayı
4