ASTM D6775-2002(2007) 测定纺织品厚边带、线带和饰带的拉伸和撕裂强度的标准试验方法
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【英文标准名称】:StandardTestMethodforBreakingStrengthandElongationofTextileWebbing,TapeandBraidedMaterial
【原文标准名称】:测定纺织品厚边带、线带和饰带的拉伸和撕裂强度的标准试验方法
【标准号】:ASTMD6775-2002(2007)
【标准状态】:现行
【国别】:
【发布日期】:2002
【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】:D13.60
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:braidedfabric;breakingstrength;elongationatspecifiedforce;tape;webbing
【摘要】:Thistestmethodcanbeusedforacceptancetestingofcommercialshipmentsbutcomparisonsshouldbemadewithcautionbecauseestimatesofbetween-laboratoryprecisionareincomplete.5.1.1Iftherearedifferencesofpracticalsignificancebetweenreportedtestresultsfortwolaboratories(ormore),comparativetestsshouldbeperformedtodetermineifthereisastatisticalbiasbetweenthem,usingcompetentstatisticalassistance.Asaminimum,usesamplesforsuchcomparativeteststhatareashomogeneousaspossible,drawnfromthesamelotofmaterialasthesamplesthatresultedindisparateresultsduringinitialtesting,andrandomlyassignedinequalnumberstoeachlaboratory.Thetestresultsfromthelaboratoriesinvolvedshouldbecomparedusingastatisticaltestforunpaireddata,ataprobabilitylevelchosenpriortothetestingseries.Ifbiasisfound,eitheritscausemustbefoundandcorrected,orfuturetestresultsforthatmaterialmustbeadjustedinconsiderationoftheknownbias.Elongationisanindicationoftheabilityofafibertoabsorbenergy.Theelongationoftextilematerialsmustbegreatenoughtowithstandstrainsexperiencedinprocessingandenduse,andtoabsorbtheenergiesofappliedforcesrepeatedly.1.1Thistestmethodcoversthedeterminationofthebreakingstrengthandelongationoftextilewebbing,tapeandbraidedmaterialsusingasplit-drumtypespecimenclamp.1.2Thistestmethodislimitedtomaterialswithamaximumwidthof90mm(3.5in.)andamaximumbreakingstrengthofnomorethan89000N(20000lb).1.3ThevaluesstatedineitherSIunitsorU.S.Customaryunitsaretoberegardedseparatelyasstandard.Withinthetext,theU.S.Customaryunitsaregiveninparentheses.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:W04
【国际标准分类号】:59_080_30
【页数】:5P.;A4
【正文语种】:
【原文标准名称】:测定纺织品厚边带、线带和饰带的拉伸和撕裂强度的标准试验方法
【标准号】:ASTMD6775-2002(2007)
【标准状态】:现行
【国别】:
【发布日期】:2002
【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】:D13.60
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:braidedfabric;breakingstrength;elongationatspecifiedforce;tape;webbing
【摘要】:Thistestmethodcanbeusedforacceptancetestingofcommercialshipmentsbutcomparisonsshouldbemadewithcautionbecauseestimatesofbetween-laboratoryprecisionareincomplete.5.1.1Iftherearedifferencesofpracticalsignificancebetweenreportedtestresultsfortwolaboratories(ormore),comparativetestsshouldbeperformedtodetermineifthereisastatisticalbiasbetweenthem,usingcompetentstatisticalassistance.Asaminimum,usesamplesforsuchcomparativeteststhatareashomogeneousaspossible,drawnfromthesamelotofmaterialasthesamplesthatresultedindisparateresultsduringinitialtesting,andrandomlyassignedinequalnumberstoeachlaboratory.Thetestresultsfromthelaboratoriesinvolvedshouldbecomparedusingastatisticaltestforunpaireddata,ataprobabilitylevelchosenpriortothetestingseries.Ifbiasisfound,eitheritscausemustbefoundandcorrected,orfuturetestresultsforthatmaterialmustbeadjustedinconsiderationoftheknownbias.Elongationisanindicationoftheabilityofafibertoabsorbenergy.Theelongationoftextilematerialsmustbegreatenoughtowithstandstrainsexperiencedinprocessingandenduse,andtoabsorbtheenergiesofappliedforcesrepeatedly.1.1Thistestmethodcoversthedeterminationofthebreakingstrengthandelongationoftextilewebbing,tapeandbraidedmaterialsusingasplit-drumtypespecimenclamp.1.2Thistestmethodislimitedtomaterialswithamaximumwidthof90mm(3.5in.)andamaximumbreakingstrengthofnomorethan89000N(20000lb).1.3ThevaluesstatedineitherSIunitsorU.S.Customaryunitsaretoberegardedseparatelyasstandard.Withinthetext,theU.S.Customaryunitsaregiveninparentheses.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:W04
【国际标准分类号】:59_080_30
【页数】:5P.;A4
【正文语种】:
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