【英文标准名称】:StandardTestMethodsforAssessingtheAdhesionofMetallicandInorganicCoatingsbytheMechanizedTapeTest
【原文标准名称】:用机械化磁带试验评定金属和无机覆层粘附力的标准试验方法
【标准号】:ASTMB905-2000(2005)
【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】:B08.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:Ifacoatingistofulfillitsfunctionofprotectingorimpartinguniquepropertiestothesurfaceofasubstrate,itmustadheretothesubstratefortheexpectedservicelife.Becausesurfacepreparation(orlackofit)hasadrasticeffectonadhesionofcoatings,atestmethodforevaluatingadhesiontodifferentsurfacetreatmentsorofdifferentcoatingstothesametreatmentisofconsiderableusetotheindustry.Thelimitationsofalladhesionmethods,andthespecificlimitationofthistestmethodtolowerlevelsofadhesion(see1.3)shouldberecognizedbeforeusingit.ThesetestmethodsaremechanizedadaptationsofTestMethodsD3359;therefore,theintra-andinterlaboratoryprecisionofthesetestmethodsaresimilartoTestMethodsD3359andtootherwidely-acceptedtestsforcoatedsubstrates,forexample,TestMethodD2370,butthisispartlytheresultofitbeinginsensitivetoallbutlargedifferencesinadhesion.Thepass-failscaleof0to5forMethodB1andB2wasselecteddeliberatelytoavoidafalseimpressionofbeingsensitive.1.1Thesetestmethodsdescribeproceduresforassessingtheadhesionofmetallicandinorganiccoatingsandotherthinfilmstometallicandnonmetallicsubstrates.Assessmentismadebyapplyingpressure-sensitivetapetoacoatedsurfaceandthenutilizingamechanicaldevicetoremovethetapeataregulated,uniformrateandconstantanglewhilesimultaneouslyrecordingtheremovalforce.1.2Fourmethodsaredescribed.MethodsA1andA2areintendedprimarilyforuseonparts.MethodsB1andB2areintendedprimarilyforuseinlaboratoryevaluations.MethodsB1andB2arenotrecommendedfortestingcoatingsandfilmsonpolymersubstrates.1.3Thesetestmethodsmaybeusedtoestablishwhethertheadhesionofacoatingtoasubstrateiswithinarequiredrange(betweenaquantifiedlowandaquantifiedhighlevel).Determinationofactualadhesiveforcesrequiresmoresophisticatedmethodsofmeasurement.Inmultilayersystemsadhesionfailuremayoccurbetweenintermediatecoatinglayerssothattheadhesionofthetotalcoatingsystemtothesubstratemaynotnecessarilybedetermined.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A29
【国际标准分类号】:25_220_40
【页数】:6P.;A4
【正文语种】: