ASTM D5171-2000(2006) 塑料熔合法兰按扭耐冲击的标准试验方法
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【英文标准名称】:StandardTestMethodforImpactResistanceofPlasticSew-ThroughFlangeButtons
【原文标准名称】:塑料熔合法兰按扭耐冲击的标准试验方法
【标准号】:ASTMD5171-2000(2006)
【标准状态】:现行
【国别】:
【发布日期】:2000
【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】:D13.54
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:button;impactresistance;strength
【摘要】:Thistestmethodmaybeusedtodeterminetheabilityofabuttontoresistbreakingunderimpact,forexampleinpressingtheenditem,whichcouldcausethebuttontofail.Note18212;Inthedevelopmentofthistestmethoditwasfoundthatthefollowingfactorsinfluencedtheabilityofabuttontoresistfailureunderimpactconditions:resinformulation,shapelignesize,thickness,numberandspacingofholes.Buttonsmayalsopassthistestbutfailduringthepressingofagarmentduetothepresenceofheatduringpressing.5.1.1Iftherearedifferencesofpracticalsignificancebetweenthereportedtestresultsfortwolaboratories(ormore),comparativetestsshouldbeperformedtodetermineifthereisastatisticalbiasbetweenthem,usingcompetentstatisticalassistance.Asaminimum,testsamplesshouldbeusedthatareashomogeneousaspossible,thataredrawnfromthematerialfromwhichthedisparaterestresultswereobtained,andthatarerandomlyassignedinequalnumberstoeachlaboratoryfortesting.Othermaterialswithestablishedtestvaluesmaybeusedforthispurpose.Thetestresultsfromthetwolaboratoriesshouldbecomparedusingastatisticaltestforunpaireddata,ataprobabilitylevelchosenpriortothetestingseries.Ifabiasisfound,eitheritscausemustbefoundandcorrected,orfuturetestresultsmustbeadjustedinconsiderationoftheknownbias.TestMethodD5171forthedeterminationoftheimpactresistanceofbuttonsmaybeusedforacceptancetestingofcommercialshipmentsofbuttonsbutcautionisadvisablesinceinformationislackingonprecision.1.1Thistestmethodcoversthedeterminationofimpactresistanceofplasticsew-throughflangebuttons.1.2Thevaluesstatedineitheracceptablemetricunitsorotherunitsshallberegardedseparatelyasstandard.Thevaluesexpressedineachsystemmayormaynotbeexactequivalents:therefore,eachsystemmustbeusedindependentlyoftheother,withoutcombiningvaluesinanyway.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:J15;G33
【国际标准分类号】:61_040
【页数】:3P.;A4
【正文语种】:
【原文标准名称】:塑料熔合法兰按扭耐冲击的标准试验方法
【标准号】:ASTMD5171-2000(2006)
【标准状态】:现行
【国别】:
【发布日期】:2000
【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】:D13.54
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:button;impactresistance;strength
【摘要】:Thistestmethodmaybeusedtodeterminetheabilityofabuttontoresistbreakingunderimpact,forexampleinpressingtheenditem,whichcouldcausethebuttontofail.Note18212;Inthedevelopmentofthistestmethoditwasfoundthatthefollowingfactorsinfluencedtheabilityofabuttontoresistfailureunderimpactconditions:resinformulation,shapelignesize,thickness,numberandspacingofholes.Buttonsmayalsopassthistestbutfailduringthepressingofagarmentduetothepresenceofheatduringpressing.5.1.1Iftherearedifferencesofpracticalsignificancebetweenthereportedtestresultsfortwolaboratories(ormore),comparativetestsshouldbeperformedtodetermineifthereisastatisticalbiasbetweenthem,usingcompetentstatisticalassistance.Asaminimum,testsamplesshouldbeusedthatareashomogeneousaspossible,thataredrawnfromthematerialfromwhichthedisparaterestresultswereobtained,andthatarerandomlyassignedinequalnumberstoeachlaboratoryfortesting.Othermaterialswithestablishedtestvaluesmaybeusedforthispurpose.Thetestresultsfromthetwolaboratoriesshouldbecomparedusingastatisticaltestforunpaireddata,ataprobabilitylevelchosenpriortothetestingseries.Ifabiasisfound,eitheritscausemustbefoundandcorrected,orfuturetestresultsmustbeadjustedinconsiderationoftheknownbias.TestMethodD5171forthedeterminationoftheimpactresistanceofbuttonsmaybeusedforacceptancetestingofcommercialshipmentsofbuttonsbutcautionisadvisablesinceinformationislackingonprecision.1.1Thistestmethodcoversthedeterminationofimpactresistanceofplasticsew-throughflangebuttons.1.2Thevaluesstatedineitheracceptablemetricunitsorotherunitsshallberegardedseparatelyasstandard.Thevaluesexpressedineachsystemmayormaynotbeexactequivalents:therefore,eachsystemmustbeusedindependentlyoftheother,withoutcombiningvaluesinanyway.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:J15;G33
【国际标准分类号】:61_040
【页数】:3P.;A4
【正文语种】:
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