ASTM D4541-2002 用手提式粘合试验仪测定涂层脱落强度的标准试验方法
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【英文标准名称】:StandardTestMethodforPull-OffStrengthofCoatingsUsingPortableAdhesionTesters
【原文标准名称】:用手提式粘合试验仪测定涂层脱落强度的标准试验方法
【标准号】:ASTMD4541-2002
【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】:D01.46
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验;覆层
【英文主题词】:adhesion;coatings;field;paint;portable;pull-offstrength;tensiletest
【摘要】:Thepull-offstrengthofacoatingisanimportantperformancepropertythathasbeenusedinspecifications.Thistestmethodservesasameansforuniformlypreparingandtestingcoatedsurfaces,andevaluatingandreportingtheresults.Thistestmethodisapplicabletoanyportableapparatusmeetingthebasicrequirementsfordeterminingthepull-offstrengthofacoating.Variationsinresultsobtainedusingdifferentdevicesordifferentsubstrateswiththesamecoatingarepossible(seeAppendixX1).Therefore,itisrecommendedthatthetypeofapparatusandthesubstratebemutuallyagreeduponbetweentheinterestedparties.Thepurchaserorspecifiershalldesignateaspecifictestmethod,thatis,A,B,C,DorE,whencallingoutthisstandard.1.1Thistestmethodcoversaprocedureforevaluatingthepull-offstrength(commonlyreferredtoasadhesion)ofacoatingonrigidsubstratessuchasmetal,concreteorwood.Thetestdetermineseitherthegreatestperpendicularforce(intension)thatasurfaceareacanbearbeforeaplugofmaterialisdetached,orwhetherthesurfaceremainsintactataprescribedforce(pass/fail).Failurewilloccuralongtheweakestplanewithinthesystemcomprisedofthetestfixture,adhesive,coatingsystem,andsubstrate,andwillbeexposedbythefracturesurface.Thistestmethodmaximizestensilestressascomparedtotheshearstressappliedbyothermethods,suchasscratchorknifeadhesion,andresultsmaynotbecomparable.1.2Pull-offstrengthmeasurementsdependuponbothmaterialandinstrumentalparameters.Resultsobtainedbyeachtestmethodmaygivedifferentresults.Resultsshouldonlybeassessedforeachtestmethodandnotbecomparedwithotherinstruments.Therearefiveinstrumenttypes,identifiedasTestMethodsA-E.Itisimperativetoidentifythetestmethodusedwhenreportingresults.1.3Thistestmethodusesaclassofapparatusknownasportablepull-offadhesiontesters.Theyarecapableofapplyingaconcentricloadandcounterloadtoasinglesurfacesothatcoatingscanbetestedeventhoughonlyonesideisaccessible.Measurementsarelimitedbythestrengthofadhesionbondsbetweentheloadingfixtureandthespecimensurfaceorthecohesivestrengthsoftheadhesive,coatinglayers,andsubstrate.1.4Thistestcanbedestructiveandspotrepairsmaybenecessary.1.5ThevaluesstatedinMPa(inch-pound)unitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A29
【国际标准分类号】:87_040
【页数】:13P.;A4
【正文语种】:
【原文标准名称】:用手提式粘合试验仪测定涂层脱落强度的标准试验方法
【标准号】:ASTMD4541-2002
【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】:D01.46
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验;覆层
【英文主题词】:adhesion;coatings;field;paint;portable;pull-offstrength;tensiletest
【摘要】:Thepull-offstrengthofacoatingisanimportantperformancepropertythathasbeenusedinspecifications.Thistestmethodservesasameansforuniformlypreparingandtestingcoatedsurfaces,andevaluatingandreportingtheresults.Thistestmethodisapplicabletoanyportableapparatusmeetingthebasicrequirementsfordeterminingthepull-offstrengthofacoating.Variationsinresultsobtainedusingdifferentdevicesordifferentsubstrateswiththesamecoatingarepossible(seeAppendixX1).Therefore,itisrecommendedthatthetypeofapparatusandthesubstratebemutuallyagreeduponbetweentheinterestedparties.Thepurchaserorspecifiershalldesignateaspecifictestmethod,thatis,A,B,C,DorE,whencallingoutthisstandard.1.1Thistestmethodcoversaprocedureforevaluatingthepull-offstrength(commonlyreferredtoasadhesion)ofacoatingonrigidsubstratessuchasmetal,concreteorwood.Thetestdetermineseitherthegreatestperpendicularforce(intension)thatasurfaceareacanbearbeforeaplugofmaterialisdetached,orwhetherthesurfaceremainsintactataprescribedforce(pass/fail).Failurewilloccuralongtheweakestplanewithinthesystemcomprisedofthetestfixture,adhesive,coatingsystem,andsubstrate,andwillbeexposedbythefracturesurface.Thistestmethodmaximizestensilestressascomparedtotheshearstressappliedbyothermethods,suchasscratchorknifeadhesion,andresultsmaynotbecomparable.1.2Pull-offstrengthmeasurementsdependuponbothmaterialandinstrumentalparameters.Resultsobtainedbyeachtestmethodmaygivedifferentresults.Resultsshouldonlybeassessedforeachtestmethodandnotbecomparedwithotherinstruments.Therearefiveinstrumenttypes,identifiedasTestMethodsA-E.Itisimperativetoidentifythetestmethodusedwhenreportingresults.1.3Thistestmethodusesaclassofapparatusknownasportablepull-offadhesiontesters.Theyarecapableofapplyingaconcentricloadandcounterloadtoasinglesurfacesothatcoatingscanbetestedeventhoughonlyonesideisaccessible.Measurementsarelimitedbythestrengthofadhesionbondsbetweentheloadingfixtureandthespecimensurfaceorthecohesivestrengthsoftheadhesive,coatinglayers,andsubstrate.1.4Thistestcanbedestructiveandspotrepairsmaybenecessary.1.5ThevaluesstatedinMPa(inch-pound)unitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A29
【国际标准分类号】:87_040
【页数】:13P.;A4
【正文语种】:
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