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【英文标准名称】:StandardTestMethodforMeasuringtheFastenerPull-ThroughResistanceofaFiber-ReinforcedPolymerMatrixComposite
【原文标准名称】:测量纤维增强聚合物基复合材料紧固件全程拉动阻力的标准试验方法
【标准号】:ASTMD7332/D7332M-2009
【标准状态】:现行
【国别】:
【发布日期】:2009
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D30.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:boltedjoints;compositematerials;fastener;fastenerpull-through;out-of-planeloading;Compositematerials;Fastenerpull-throughresistance;Fiberreinforcedpolymers;Polymermatrixcompositematerials
【摘要】:Thistestmethodisdesignedtoproducefastenerpull-throughresistancedataforstructuraldesignallowables,researchanddevelopment.Theproceduresmaybeusedtoassesspull-throughresistanceforavarietyofcompositelaminatethicknesses,fastenerdiameters,andfastenerheadstyles.However,theflexibilityoftestparametersallowedbythevariantsmakesmeaningfulcomparisonbetweendatasetsdifficultifthedatasetswerenotgeneratedusingidenticaltestparameters.Earlycompositepull-throughtestsusingfastenerscommontometalstructuresledtoprematurejointfailures,andresultedinthedevelopmentoffastenersspecificforcompositeapplications.Thesefastenershavelargerheadsandtailstoreducethrough-thicknesscompressionstressesonthecompositelaminate.Generalfactorsthatinfluencethemechanicalresponseofcompositelaminatesandshouldthereforebereportedincludethefollowing:material,methodsofmaterialpreparationandlay-up,specimenstackingsequence,specimenpreparation,specimenconditioning,environmentoftesting,specimenalignment,speedoftesting,timeattemperature,voidcontent,andvolumepercentreinforcement.Specificfactorsthatinfluencethepull-throughresistanceofcompositelaminatesandshouldthereforebereportedincludethefollowing:holediameter,fastenerdiameter,fastenerheaddiameter,loadingbarspacingtofastenerholediameterratio(ProcedureA),clearanceholediametertofastenerholediameterratio(ProcedureB),diametertothicknessratio,fastenertorque,fastenerorpinmaterial,fastenerorpinclearance,countersinkangleanddepthofcountersink,typeofgrommet(ifused),andtypeofsupportfixture.Fastenerpull-throughresistancepropertieswhichmaybedeterminedfromthistestmethodincludeinitialsub-criticalfailureforce/displacement,failureforce,maximumforce,andrupturedisplacement.1.1Thistestmethoddeterminesthefastenerpull-throughresistanceofmultidirectionalpolymermatrixcompositesreinforcedbyhigh-modulusfibers.Fastenerpull-throughresistanceischaracterizedbytheforce-versus-displacementresponseexhibitedwhenamechanicalfastenerispulledthroughacompositeplate,withtheforceappliedperpendiculartotheplaneoftheplate.Thecompositematerialformsarelimitedtocontinuous-fiberordiscontinuous-fiber(tapeorfabric,orboth)reinforcedcompositesforwhichthelaminateissymmetricandbalancedwithrespecttothetestdirection.Therangeofacceptabletestlaminatesandthicknessesisdefinedin8.2.1.2Twotestproceduresandconfigurationsareprovided.Thefirst,ProcedureA,issuitableforscreeningandfastenerdevelopmentpurposes.Thesecond,ProcedureB,isconfiguration-dependentandissuitableforestablishingdesignvalues.Bothprocedurescanbeusedtoperformcomparativeevaluationsofcandidatefasteners/fastenersystemdesigns.1.3Thespecimensdescribedhereinmaynotberepresentativeofactualjointswhichmaycontainoneormorefreeedgesadjacenttothefastener,ormaycontainmultiplefastenersthatcanchangetheactualboundaryconditions.1.4ThistestmethodisconsistentwiththerecommendationsofCMH-17,whichdescribesthedesirableattributesofafastenerpull-throughtestmethod.1.5ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Withinthetexttheinch-poundunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemmustbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththestandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibi......
【中国标准分类号】:
【国际标准分类号】:83_120
【页数】:12P.;A4
【正文语种】:


【英文标准名称】:Methodsoftestingplastics-Thermoplasticspipes,fittingsandvalves-Thermoplasticspipes,fortheconveyanceoffluids-Resistancetointernalpressure-Testmethod
【原文标准名称】:塑料试验方法.第11部分:热塑管,接头和阀门.液体输送用热塑材管.试验方法1127P:抗内压力.试验方法
【标准号】:BS2782-11Method1127P-1997
【标准状态】:作废
【国别】:英国
【发布日期】:1997-08-15
【实施或试行日期】:1997-08-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:阀门;管道配件;塑料;热塑性聚合物;压力试验;试样;试验条件;内压力;校正;塑料和橡胶技术;试验设备;试验压力;管;报告
【英文主题词】:Creepinternalpressureprooftests;Definition;Definitions;Fluids;High-pressuretests;Internalpressure;Pipes;Plasticpipes;Plastics;Pressureoverload;Pressuretests;Resistance;Testing;Tests;Tubes
【摘要】:ThisInternationalStandardspecifiesamethodfordeterminationoftheresistanceofthermoplasticspipestoconstantinternalwaterpressureatconstanttemperature.Itisapplicabletothermoplasticspipesintendedfortheconveyanceoffluids.
【中国标准分类号】:G31
【国际标准分类号】:23_040_20
【页数】:16P;A4
【正文语种】:英语