1、Designation:E1118/E1118M11Standard Practice forAcoustic Emission Examination of ReinforcedThermosetting Resin Pipe(RTRP)1This standard is issued under the fixed designation E1118/E1118M;the number immediately following the designation indicates the yearof original adoption or,in the case of revision
2、,the year of last revision.A number in parentheses indicates the year of last reapproval.A superscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This practice covers acoustic emission(AE)examina-tion or monitoring of reinforced thermosetting resin pipe(R
3、TRP)to determine structural integrity.It is applicable tolined or unlined pipe,fittings,joints,and piping systems.1.2 This practice is applicable to pipe that is fabricated withfiberglass and carbon fiber reinforcements with reinforcingcontents greater than 15%by weight.The suitability of theseproce
4、dures must be demonstrated before they are used forpiping that is constructed with other reinforcing materials.1.3 This practice is applicable to tests below pressures of 35MPa absolute 5000 psia.1.4 This practice is limited to pipe up to and including 0.6m 24 in.in diameter.Larger diameter pipe can
5、 be examinedwith AE,however,the procedure is outside the scope of thispractice.1.5 This practice applies to examinations of new or in-service RTRP.1.6 The values stated in either SI units or inch-pound unitsare to be regarded separately as standard.The values stated ineach system may not be exact eq
6、uivalents;therefore,eachsystem shall be used independently of the other.Combiningvalues from the two systems may result in non-conformancewith the standard.1.7 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of th
7、is standard to establish appro-priate safety and health practices and to determine theapplicability of regulatory limitations prior to use.For morespecific safety precautionary information see 8.1.2.Referenced Documents2.1 ASTM Standards:2D883 Terminology Relating to PlasticsE543 Specification for A
8、gencies Performing NondestructiveTestingE650 Guide for Mounting Piezoelectric Acoustic EmissionSensorsE750 Practice for Characterizing Acoustic Emission Instru-mentationE976 Guide for Determining the Reproducibility ofAcousticEmission Sensor ResponseE1316 Terminology for Nondestructive ExaminationsE
9、2075 Practice for Verifying the Consistency of AE-SensorResponse Using an Acrylic Rod2.2 ASNT Standards:3ANSI/ASNT CP-189 Personnel Qualification and Certifica-tion in Nondestructive TestingASNT SNT-TC-1A Personnel Qualification and Certifica-tion in Nondestructive Testing2.3 AIA Standard:4NAS-410 C
10、ertification and Qualification of NondestructiveTest Personnel3.Terminology3.1 Complete glossaries of terms related to plastics andacoustic emission will be found in Terminologies D883 andE1316.3.2 Definitions of Terms Specific to This Standard:3.2.1 component and assembly proof testinga program oft
11、ests on RTRP components designed to assess product qualityin a manufacturers plant,at the installation site,or when taken1This practice is under the jurisdiction of ASTM Committee E07 on Nonde-structive Testing and is the direct responsibility of Subcommittee E07.04 onAcoustic Emission Method.Curren
12、t edition approved Jan.1,2011.Published February 2011.Originallyapproved in 1986.Last previous edition approved in 2005 as E1118-05.DOI:10.1520/E1118_E1118M-11.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of AST
13、MStandards volume information,refer to the standards Document Summary page onthe ASTM website.3Available from TheAmerican Society for Nondestructive Testing(ASNT),P.O.Box 28518,1711 Arlingate Ln.,Columbus,OH 43228-0518.4Available from Aerospace Industries Association of America,Inc.(AIA),1250Eye St.
14、,NW,Washington,DC 20005.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 out of service for retesting.An assembly is a shippable unit offactory-assembled components.3.2.2 count value Ncan evaluation criterion based on thetotal number of AE
15、 counts.(See A2.6.)3.2.3 diameter to thickness ratio(d/t)equal toDo1Di2twhere(Do)is the outside pipe diameter,(Di)is the inside pipediameter,and(t)is the wall thickness,as measured in a sectionof straight pipe.3.2.4 high-amplitude thresholda threshold for large am-plitude events.(See A2.3.)3.2.5 in-
16、service systems testinga program of periodic testsduring the lifetime of an RTRP system designed to assess itsstructural integrity.3.2.6 low-amplitude thresholdthe threshold above whichAE counts(N)are measured.(See A2.2.)3.2.7 manufacturers qualification testinga comprehensiveprogram of tests to confirm product design,performanceacceptability,and fabricator capability.3.2.8 operating pressurepressure at which the RTRP nor-mally operates.It should not exceed design pressure.3.2.9 qualification te
