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A simplified model for non-destructive thickness measurement immune to the lift-off effect

  • Beihang University

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

A simplified model for thickness measurement was introduced in this paper by using an electromagnetic sensor. It uses the phase signature of inductance change to reduce the lift-off effect when air-core coil is placed next to a thin nonmagnetic metallic plate. The phase signature can be extracted through the data at several frequencies. The thickness of the plate can be evaluated non-intrusively and directly. Numerical simulations were carried out for different plate thickness. The results validated the effectiveness of the proposed model when used in eddy-current testing.

Original languageEnglish
Title of host publication2011 IEEE International Instrumentation and Measurement Technology Conference, I2MTC 2011 - Proceedings
Pages656-659
Number of pages4
DOIs
StatePublished - 2011
Event2011 IEEE International Instrumentation and Measurement Technology Conference, I2MTC 2011 - Binjiang, Hangzhou, China
Duration: 10 May 2011 → 12 May 2011

Publication series

NameConference Record - IEEE Instrumentation and Measurement Technology Conference
ISSN (Print)1091-5281

Conference

Conference2011 IEEE International Instrumentation and Measurement Technology Conference, I2MTC 2011
Country/TerritoryChina
CityBinjiang, Hangzhou
Period10/05/11 → 12/05/11

Keywords

  • electromagnetic sensor
  • lift-off effect
  • non-destructive
  • simplified model
  • thickness measurement

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