Signal Analysis for Quantitative AE Testing

E. N. Landis, S. P. Shah

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Quantitative acoustic emission (AE) techniques can be used to monitor crack growth and to deduce microfracture mechanisms in quasi-brittle materials. Multichannel data acquisition systems are used to record the AE waveforms. The results ofa quantitative AE analysis are quite sensitive to the interpretation ofthe recorded waveforms. Several techniques are presented here whichfacilitate AE data interpretation. Included are noise reduction and signal enhancement methods, and time domain deconvolution methods which are used to recover microcrackfracture parameters.

Original languageEnglish (US)
Title of host publicationNondestructive Testing Methods for Civil Infrastructure - A Collection of Expanded Papers on Nondestructive Testing from Structures Congress 1993
EditorsHota V.S. GangaRao
PublisherAmerican Society of Civil Engineers (ASCE)
Pages45-56
Number of pages12
ISBN (Electronic)0784401314, 9780784401316
DOIs
StatePublished - 1995
EventNondestructive Testing (NDT) for the Structures Congress 1993 - Irvine, United States
Duration: Apr 19 1993Apr 21 1993

Publication series

NameNondestructive Testing Methods for Civil Infrastructure - A Collection of Expanded Papers on Nondestructive Testing from Structures Congress 1993

Conference

ConferenceNondestructive Testing (NDT) for the Structures Congress 1993
Country/TerritoryUnited States
CityIrvine
Period4/19/934/21/93

Funding

The research reported herein was supported by a grant from the U.S. Air Force Office of Scientific Research under a program managed by Dr. Spencer T. Wu. Additional support was provided by the NSF Center for Advanced Cement-Based Materials.

ASJC Scopus subject areas

  • Mechanical Engineering
  • Mechanics of Materials
  • General Materials Science
  • General Physics and Astronomy

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