1、Designation:E298314Standard Guide forApplication of Acoustic Emission for Structural HealthMonitoring1This standard is issued under the fixed designation E2983;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision
2、.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 Structural Health Monitoring(SHM)is a field of engi-neering that deals with diagnosis and monitoring of structuresduring their operation
3、.The primary goal of SHM is detection,identification,assessment,and monitoring of flaws or faultconditions that affect or may affect the future safety orperformance of structures.SHM combines elements of nonde-structive testing and evaluation,condition/process monitoring,statistical pattern recognit
4、ion,and physical modeling.1.2 The acoustic emission(AE)method uniquely fits theconcept of SHM due to its capabilities to periodically orcontinuously examine structures and assess structural integrityduring their normal operation.1.3 In this guide,the definitions and fundamental principlesfor applyin
5、g theAE method for SHM tasks are elaborated.Thisincludes:1.3.1 Terminology and definitions of SHM by the AEmethod,1.3.2 Outline the recommended process of AE-SHM,and1.3.3 Fundamental requirements regarding development ofthe SHM procedures,including selection of appropriate AEapparatus,data acquisiti
6、on and analysis methods,diagnosis,monitoring and prediction.1.4 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bili
7、ty of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2E543 Specification for Agencies Performing NondestructiveTestingE1316 Terminology for Nondestructive Examinations2.2 ISO Standards3ISO/DIS 10303226 Industrial Automation Systems andIntegrationProduct Data Representat
8、ion and ExchangeISO 9712 Non-destructive TestingQualification and Cer-tification of NDT Personnel2.3 Other Referenced DocumentsANSI/ASNT CP-189 Standard for Qualification and Certifi-cation of Nondestructive Testing Personnel4NAS-410 NDT Certification5SNT-TC-1A Personnel Qualification and Certificat
9、ion inNondestructive Testing63.Terminology3.1 Definitions:See E1316 for terminology related to thispractice.3.2 Definitions of Terms Specific to This Standard:3.2.1 diagnosis,na process of detection,identification,and assessment of flaws,and identifying properties or condi-tions that may affect the
10、future safety or performance of astructure.3.2.2 diagnostic AE,nan acoustic emission methodologycapable of achieving the goals of diagnosis.3.2.3 fault,nan abnormal condition or defect at thecomponent,equipment,or sub-system level which may lead toa failure.Worden et al.73.2.4 monitoring,na process
11、of observing or detectingchanges in the condition of a structure.3.2.5 prediction,na process of estimation of the possiblefuture flaw or fault deterioration based on results ofmonitoring,diagnostics,or numerical modeling,or a combi-nation thereof.1This test method is under the jurisdiction of ASTM C
12、ommittee E07 onNondestructive Testing and is the direct responsibility of Subcommittee E07.04 onAcoustic Emission Method.Current edition approved Oct.1,2014.Published October 2014.DOI:10.1520/E2983-14.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service
13、at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3Available from International Organization for Standardization(ISO),1,ch.dela Voie-Creuse,CP 56,CH-1211 Geneva 20,Switzerland,http:/www.iso.org.4Available from Ameri
14、can National Standards Institute(ANSI),25 W.43rd St.,4th Floor,New York,NY 10036,http:/www.ansi.org.5Available from Aerospace Industries Association of America,Inc.(AIA),1000Wilson Blvd.,Suite 1700,Arlington,VA22209-3928,http:/www.aia-aerospace.org.6Available fromAmerican Society for Nondestructive
15、Testing(ASNT),P.O.Box28518,1711 Arlingate Ln.,Columbus,OH 43228-0518,http:/www.asnt.org.7K.Worden,C.Farrar,G.Manson,G.Park,The fundamental axioms ofstructural health monitoring,Proceedings of the Royal Society A,Vol.463,2007,p.1639-1664.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,
16、West Conshohocken,PA 19428-2959.United States1 3.2.6 sensinga process of detection of acoustic emissionand conversion of measurements into data used during diag-nosis.3.2.7 structural health monitoring(SHM),na process ofdiagnosis and monitoring the condition of structures,normallyperformed during their operation.4.Summary of Guide4.1 The guide describes the AE-SHM process and providesa set of fundamental assumptions recommended in the appli-cation of the AE method in SHM tasks.5.Significance and
