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[期刊论文]

Design and application investigation of ultrasonic transducer for the use of defect detection in stainless steel helical bellows

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Author:

Zhao, Jichen (Zhao, Jichen.) | Wu, Bin (Wu, Bin.) (Scholars:吴斌) | He, Cunfu (He, Cunfu.) (Scholars:何存富)

Indexed by:

EI Scopus PKU CSCD

Abstract:

Magnetostrictive transducer for the use of defect detection in stainless steel helical bellows has been developed. The finite element models of magnetic field distribution law have been calculated using commercial package Comsol Multiphysics firstly and the results confirm that magnetic field intensity can be increased observably after setting the ferromagnetic material. An artificial defect of circumferential crack has been identified by the improved transducer with wrapping nickel alloys. The uncertainty synthesis formula has been derived and standard uncertainty of measurement result has been calculated. The results have been providing a theoretical basis for nondestructive evaluation in stainless steel helical bellows using magnetostrictive transducer.

Keyword:

Ferromagnetic materials Uncertainty analysis Magnetic fields Transducers Stainless steel Nondestructive examination Ultrasonic transducers Defects Nickel alloys Magnetostrictive devices Bellows Ultrasonic testing

Author Community:

  • [ 1 ] [Zhao, Jichen]College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing 100124, China
  • [ 2 ] [Wu, Bin]College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing 100124, China
  • [ 3 ] [He, Cunfu]College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing 100124, China

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Source :

Acta Acustica

ISSN: 0371-0025

Year: 2014

Issue: 2

Volume: 39

Page: 251-256

Cited Count:

WoS CC Cited Count: 0

30 Days PV: 4

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