1、Designation:E1888/E1888M17Standard Practice forAcoustic Emission Examination of Pressurized ContainersMade of Fiberglass Reinforced Plastic with Balsa WoodCores1This standard is issued under the fixed designation E1888/E1888M;the number immediately following the designation indicates the yearof orig
2、inal adoption or,in the case of revision,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.Scope*1.1 This practice covers guidelines for acoustic emission(AE)examination
3、s of pressurized containers made of fiberglassreinforced plastic(FRP)with balsa cores.Containers of thistype are commonly used on tank trailers for the transport ofhazardous chemicals.1.2 This practice is limited to cylindrical shape containers,0.5 m 20 in.to 3 m 120 in.in diameter,of sandwichconstr
4、uction with balsa wood core and over 30%glass(byweight)FRP skins.Reinforcing material may be mat,roving,cloth,unidirectional layers,or a combination thereof.There isno restriction with regard to fabrication technique or method ofdesign.1.3 This practice is limited to containers that are designedfor
5、less than 0.520 MPa 75.4 psi(gage)above static pressurehead due to contents.1.4 This practice does not specify a time interval betweenexaminations for re-qualification of a pressure container.1.5 This practice is used to determine if a container issuitable for service or if follow-up NDT is needed b
6、efore thatdetermination can be made.1.6 Containers that operate with a vacuum are not within thescope of this practice.1.7 Repair procedures are not within the scope of thispractice.1.8 The values stated in either SI units or inch-pound unitsare to be regarded separately as standard.The values state
7、d ineach system may not be exact equivalents;therefore,eachsystem shall be used independently of the other.Combiningvalues from the two systems may result in non-conformancewith the standard.1.9 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is
8、theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.Specific precau-tionary statements are given in Section 8.1.10 This international standard was developed in accor-dance with in
9、ternationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2E543 S
10、pecification for Agencies Performing NondestructiveTestingE976 Guide for Determining the Reproducibility ofAcousticEmission Sensor ResponseE1067 Practice forAcoustic Emission Examination of Fiber-glass Reinforced Plastic Resin(FRP)Tanks/VesselsE1106 Test Method for Primary Calibration of AcousticEmi
11、ssion SensorsE1316 Terminology for Nondestructive ExaminationsE1781 Practice for Secondary Calibration of Acoustic Emis-sion SensorsE2374 Guide for Acoustic Emission System PerformanceVerification2.2 SPI/CARP Standards:3Recommended Practice for Acoustic Emission Testing ofFiberglass Reinforced Plast
12、ic Resin(FRP)Tanks/VesselsRecommended Practice for Acoustic Emission Testing ofFiberglass Reinforced Plastic Piping Systems1This 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.Curr
13、ent edition approved June 1,2017.Published June 2017.Originallyapproved in 1997.Last previous edition approved in 2012 as E1888/E1888M-12.DOI:10.1520/E1888_E1888M-17.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book
14、of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3Available from American National Standards Institute(ANSI),25 W.43rd St.,4th Floor,New York,NY 10036,http:/www.ansi.org.*A Summary of Changes section appears at the end of this standardCopyright ASTM
15、 International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,
16、Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 2.3 ANSI/ASNT Standards:4SNT-TC-1A Recommended Practice for Personnel Qualifi-cation and Certification in Nondestructive TestingANSI/ASNT CP-189 Standard for Qualification and Certifi-cation of NDT Personnel2.4 AIA Standard:5NAS-410 Nondestructive Testing Personnel Qualificationand Certification2.5 ASME Standard:6Section V,Article 11,Boiler and Pressure Vessel Code2.6 ISO Standard:7ISO 9
