Skip to main navigation Skip to search Skip to main content

Combination of direct, half-skip and full-skip TFM to characterize multi-faceted crack

  • Xiao Li Han
  • , Wen Tao Wu*
  • , Ping Li
  • , Jing Lin
  • *Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

To improve the characterizing accuracy of a vertically extended and multi-faceted crack embedded in a weldment, direct, half-skip and full-skip total focusing method (TFM) are combined to image the crack. The B-scan images of the three modes are obtained and combined to a whole image, and then the extending trend of the crack in vertical direction is made out. Based on the combined image, sizing of crack along the depth direction is given using a basic quantitative method. Results show that the combined TFM in determining the extending trend and estimating the equivalent depth in the vertical direction is feasible for cracks with multi facets. Comparing to the conventional TFM imaging method to size an embedded crack, the combined TFM improved the accuracy of sizing of length in depth direction for a multi-faceted crack.

Original languageEnglish
Title of host publication2015 IEEE International Ultrasonics Symposium, IUS 2015
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781479981823
DOIs
StatePublished - 13 Nov 2015
Externally publishedYes
EventIEEE International Ultrasonics Symposium, IUS 2015 - Taipei, Taiwan, Province of China
Duration: 21 Oct 201524 Oct 2015

Publication series

Name2015 IEEE International Ultrasonics Symposium, IUS 2015

Conference

ConferenceIEEE International Ultrasonics Symposium, IUS 2015
Country/TerritoryTaiwan, Province of China
CityTaipei
Period21/10/1524/10/15

Keywords

  • FMC
  • TFM
  • multi-faceted crack
  • sizing
  • weld

Fingerprint

Dive into the research topics of 'Combination of direct, half-skip and full-skip TFM to characterize multi-faceted crack'. Together they form a unique fingerprint.

Cite this