ASTM D2919-2001(2007) 用拉力负荷法测定胶粘接缝耐剪切的标准试验方法
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【英文标准名称】:StandardTestMethodforDeterminingDurabilityofAdhesiveJointsStressedinShearbyTensionLoading
【原文标准名称】:用拉力负荷法测定胶粘接缝耐剪切的标准试验方法
【标准号】:ASTMD2919-2001(2007)
【标准状态】:现行
【国别】:
【发布日期】:2001
【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】:D14.80
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:adhesivejoint;durability;exposure;moisture;shear;stress;tension
【摘要】:Thecombinationofstressandmoisturedecreasesthedurabilityofmostadhesivejoints.Stressesinthepresenceofwaterorwatervapormaycausesomeadhesivejointstofailatsomesmallfractionofthestressrequiredtobreakthedryjoint.Thetimetofailureforagivenadhesivejointgenerallydecreaseswithincreasingstress,temperature,andrelativehumidity.Thistestmethodmaybeusedasanacceleratedscreeningtestforassessingthedurabilityofadhesivejoints.Itmaybeusedtomeasuredurabilityofadhesivejointsexposedoutdoorsortoenvironmentalconditionsexperiencedbyadhesivejointsinservice.Thetestsmayalsobeusedtodeterminetheeffectsofvarioussurfacepreparationsorsubstratesondurabilitiesofadhesivejoints.Thedurabilityperformanceofvariousadhesivesmaybecomparedbyusingthistestmethodunderuniformsetsofconditions.Toassesstheoveralldurabilityofagivenadhesive,lap-shearjointsshouldbetestedunderarangeofstress,relativehumidity,andtemperature.Foraspecificenduseitmaybepossibletoobtaintheneededdurabilitydatausingonlyonesetoftestconditions.1.1Thistestmethodcoversdataforassessingthedurabilityofadhesivelap-shearjointswhilestressedincontactwithair,airinequilibriumwithcertainsolutions,water,aqueoussolutions,orotherenvironmentsatvarioustemperatures.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Specificprecautionarystatementsaregivenin.1.2ThevaluesstatedinSIunitsareconsideredtobethestandard.Thevaluesinparenthesesareforinformationonly.
【中国标准分类号】:G38
【国际标准分类号】:83_180
【页数】:4P.;A4
【正文语种】:
【原文标准名称】:用拉力负荷法测定胶粘接缝耐剪切的标准试验方法
【标准号】:ASTMD2919-2001(2007)
【标准状态】:现行
【国别】:
【发布日期】:2001
【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】:D14.80
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:adhesivejoint;durability;exposure;moisture;shear;stress;tension
【摘要】:Thecombinationofstressandmoisturedecreasesthedurabilityofmostadhesivejoints.Stressesinthepresenceofwaterorwatervapormaycausesomeadhesivejointstofailatsomesmallfractionofthestressrequiredtobreakthedryjoint.Thetimetofailureforagivenadhesivejointgenerallydecreaseswithincreasingstress,temperature,andrelativehumidity.Thistestmethodmaybeusedasanacceleratedscreeningtestforassessingthedurabilityofadhesivejoints.Itmaybeusedtomeasuredurabilityofadhesivejointsexposedoutdoorsortoenvironmentalconditionsexperiencedbyadhesivejointsinservice.Thetestsmayalsobeusedtodeterminetheeffectsofvarioussurfacepreparationsorsubstratesondurabilitiesofadhesivejoints.Thedurabilityperformanceofvariousadhesivesmaybecomparedbyusingthistestmethodunderuniformsetsofconditions.Toassesstheoveralldurabilityofagivenadhesive,lap-shearjointsshouldbetestedunderarangeofstress,relativehumidity,andtemperature.Foraspecificenduseitmaybepossibletoobtaintheneededdurabilitydatausingonlyonesetoftestconditions.1.1Thistestmethodcoversdataforassessingthedurabilityofadhesivelap-shearjointswhilestressedincontactwithair,airinequilibriumwithcertainsolutions,water,aqueoussolutions,orotherenvironmentsatvarioustemperatures.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Specificprecautionarystatementsaregivenin.1.2ThevaluesstatedinSIunitsareconsideredtobethestandard.Thevaluesinparenthesesareforinformationonly.
【中国标准分类号】:G38
【国际标准分类号】:83_180
【页数】:4P.;A4
【正文语种】:
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