【英文标准名称】:StandardTestMethodforBurstingStrengthofFabricsConstant-Rate-of-Extension(CRE)BallBurstTest
【原文标准名称】:球形爆炸试验测定固定伸展率(CRE)织物抗破碎强度的标准试验方法
【标准号】:ASTMD6797-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:D13.59
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:球形试验;爆炸试验;抗破碎强度;恒定的;加长件;织物
【英文主题词】:ballburst;burstingstrength
【摘要】:Thismethodisusedtodeterminetheforcerequiredtorupturetextilefabricbyforcingasteelballthroughthefabricwithaconstant-rate-of-extensiontensiletester.Thisisanewmethodandthereforethehistoryofdataisverysmall,howevertheagreementofwithin-laboratorydatasuggestthismethodmaybeconsideredforacceptancetestingofcommercialshipmentswithcaution.5.2.1Iftherearedifferencesofpracticalsignificancebetweenreportedtestresultsfortwolaboratories(ormore),comparativetestshouldbeperformedtodetermineifthereisastatisticalbiasbetweenthem,usingcompetentstatisticalassistance.Asaminimum,samplesusedforsuchcomparativetestshouldbeashomogeneousaspossible,drawnfromthesamelotofmaterialasthesamplesthatresultedindisparateresultsduringinitialtesting,andrandomlyassignedinequalnumberstoeachlaboratory.Otherfabricswithestablishedtestvaluesmayalsobeusedforthesecomparativetests.Thetestresultsfromthelaboratoriesinvolvedshouldbecomparedusingastatisticaltestforunpaireddata,ataprobabilitylevelchosenpriortothetestingseries.Ifbiasisfound,eitheritscausemustbefoundandcorrected,orfuturetestresultsforthatfabricmustbeadjustedinconsiderationoftheknownbias.1.1Thistestmethoddescribesthemeasurementforburstingstrengthofwovenandknittedtextilestakenfromrollsoffabricorfabrictakenfromgarments.Note1Forthemeasurementofburstingstrengthwithahydraulicorpneumaticmachine,refertoTestMethodD3786.Forthemeasurementoftheburstingstrengthbymeansofaballburstmechanism,refertoTestMethodD37871.2ThevaluesstatedineitherSIunitsorU.S.customaryunitsaretoberegardedasstandard,butmustbeusedindependentlyofeachother.TheU.S.customaryunitsmaybeapproximate.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:W04
【国际标准分类号】:59_080_30
【页数】:3P.;A4
【正文语种】: