ASTM D3410/D3410M-2003(2008) 剪切荷载法测定带无支撑标准截面的聚合母体复合材料抗压特性的标准试验方法

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【英文标准名称】:StandardTestMethodforCompressivePropertiesofPolymerMatrixCompositeMaterialswithUnsupportedGageSectionbyShearLoading
【原文标准名称】:剪切荷载法测定带无支撑标准截面的聚合母体复合材料抗压特性的标准试验方法
【标准号】:ASTMD3410/D3410M-2003(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:2003
【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】:D30.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:compositematerials;compressivemodulusofelasticity;compressiveproperties;compressivestrength;Poisson'sratio;Composites;Compressiontesting--aerospacematerials;Compressiontesting--composites;Compressivemodulusofelasticity;Highmodulusf
【摘要】:Thistestmethodisdesignedtoproducecompressivepropertydataformaterialspecifications,researchanddevelopment,qualityassurance,andstructuraldesignandanalysis.Factorsthatinfluencethecompressiveresponseandshouldthereforebereportedincludethefollowing:material,methodsofmaterialpreparationandlayup,specimenstackingsequence,specimenpreparation,specimenconditioning,environmentoftesting,specimenalignmentandgripping,speedoftesting,timeattemperature,voidcontent,andvolumepercentreinforcement.Properties,inthetestdirection,thatmaybeobtainedfromthistestmethodinclude:Ultimatecompressivestrength,Ultimatecompressivestrain,Compressive(linearorchord)modulusofelasticity,Poisson''sratioincompression,andTransitionstrain.1.1Thistestmethoddeterminesthein-planecompressivepropertiesofpolymermatrixcompositematerialsreinforcedbyhigh-modulusfibers.Thecompositematerialformsarelimitedtocontinuous-fiberordiscontinuous-fiberreinforcedcompositesforwhichtheelasticpropertiesarespeciallyorthotropicwithrespecttothetestdirection.Thistestprocedureintroducesthecompressiveforceintothespecimenthroughshearatwedgegripinterfaces.ThistypeofforcetransferdiffersfromtheprocedureinTestMethodD695wherecompressiveforceistransmittedintothespecimenbyend-loading,TestMethodD6641/D6641Mwherecompressiveforceistransmittedbycombinedshearandendloading,andTestMethodD5467/D5467Mwherecompressiveforceistransmittedbysubjectingahoneycombcoresandwichbeamwiththinskinstofour-pointbending.1.2Thistestmethodisapplicabletocompositesmadefromunidirectionaltape,wet-towplacement,textile(forexample,fabric),shortfibers,orsimilarproductforms.Someproductformsmayrequiredeviationsfromthetestmethod.1.3ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Withinthetexttheinch-poundsunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemmustbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththestandard.Note18212;Additionalproceduresfordeterminingcompressivepropertiesofresin-matrixcompositesmaybefoundinTestMethodsD695,D5467/D5467M,andD6641/D6641M.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G31
【国际标准分类号】:
【页数】:16P.;A4
【正文语种】:英语


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【英文标准名称】:StandardGuideforSamplingWastePiles
【原文标准名称】:废堆取样的标准指南
【标准号】:ASTMD6009-1996(2006)
【标准状态】:现行
【国别】:
【发布日期】:1996
【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】:D34.01.01
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:piles;sampling;waste
【摘要】:Thisguideisintendedtoprovideguidanceforsamplingwastepiles.Itcanbeusedtoobtainsamplesforwastecharacterizationrelatedtouse,treatment,ordisposal;tomonitoranactivepile;toprepareforclosureofthewastepile;ortoinvestigatethecontentsofanabandonedpile.Techniquesusedtosampleincludebothin-placeevaluationsofthepileandphysicallyremovingasample.In-placeevaluationsincludetechniquessuchasremotesensing,on-sitegasanalysis,andpermeability.Samplingstrategyforwastepilesisdependentonthefollowing:4.3.1Projectobjectivesincludingacceptablelevelsoferrorwhenmakingdecisions;4.3.2Physicalcharacteristicsofthepile,suchasitssizeandconfiguration,accesstoallpartsofit,andthestabilityofthepile;4.3.3Processthatgeneratedthewasteandthewastecharacteristics,suchashazardouschemicalorphysicalproperties,whetherthewasteconsistsofsludges,drypowdersorgranules,andtheheterogeneityofthewastes;4.3.4Historyofthepile,includingdatesofgeneration,methodsofhandlingandtransport,andcurrentmanagementmethods;4.3.5Regulatoryconsiderations,suchasregulatoryclassificationandcharacterizationdata;4.3.6Limitsandbiasofsamplingmethods,includingbiasthatmaybeintroducedbywasteheterogeneity,samplingdesign,andsamplingequipment.ItisrecommendedthatthisguidebeusedinconjunctionwithGuideD4687,whichaddressessamplingdesign,qualityassurance,generalsamplingconsiderations,preservationandcontainerization,cleaningequipment,packaging,andchainofcustody.AcasehistoryoftheinvestigationofawastepileisincludedinAppendixX1.1.1Thisguideprovidesguidanceforobtainingrepresentativesamplesfromwastepiles.Guidanceisprovidedforsiteevaluation,samplingdesign,selectionofequipment,anddatainterpretation.1.2Wastepilesincludeareasusedprimarilyforwastestorageordisposal,includingabove-gradedrylanddisposalunits.Thisguidecanbeappliedtosamplingmunicipalwastepiles.1.3Thisguideaddresseshowthechoiceofsamplingdesignandsamplingmethodsdependsonspecificfeaturesofthepile.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z23
【国际标准分类号】:13_030_40
【页数】:11P.;A4
【正文语种】:


【英文标准名称】:Wheelchairseating-Part2:Determinationofphysicalandmechanicalcharacteristicsofdevicesintendedtomanagetissueintegrity-Seatcushions
【原文标准名称】:轮椅座椅.第2部分:维持组织完整性的装置物理和机械特性测定
【标准号】:ISO16840-2-2007
【标准状态】:现行
【国别】:国际
【发布日期】:2007-07-15
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC173
【标准类型】:()
【标准水平】:()
【中文主题词】:附件;适用于残疾人的设计;残疾人辅助器具;垫子;定义;残废人;人体;测量;机械特性;物理特性;定位测定;安全;安全要求;座椅;规范(验收);适合残疾人用的;技术援助;轮椅
【英文主题词】:
【摘要】:ThispartofISO16840specifiesapparatus,testmethodsanddisclosurerequirementsforwheelchairseatcushionsintendedtomaintaintissueintegrityandpreventtissuetrauma.Itdoesnotincludetestmethodsorrequirementsfordeterminingthefireresistanceofcushions.AnnexBprovidesguidanceonselectingcushionswithappropriatefireresistancecharacteristics.ThispartofISO16840doesnotaddresstheinterfacepressuredistributingcharacteristicsofseatcushionsnortheheatandwatervapourdissipationcharacteristicsofseatcushionsthatwillbeaddressedinfurtherpartsofISO16840.ThispartofISO16840canalsobeapplicabletotissueintegritymanagementdevicesusedasothersupportsystems,aswellastocushionsusedinsituationsotherthanawheelchair.
【中国标准分类号】:Y14
【国际标准分类号】:11_180_10
【页数】:32P.;A4
【正文语种】:英语