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1、Designation:D3359-02名稱:D3359-02StandardTestMethodsforMeasuringAdhesionbyTapeTestASTMD3359-09標(biāo)準(zhǔn)試驗方法膠帶法測量附著力ThisstandardisissuedunderthefixeddesignationD3359;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesin

2、dicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.這個標(biāo)準(zhǔn)是D3359確定了以后發(fā)行的。數(shù)字代表名稱最初通過的時間,或者修訂情況,和最新版本。括號內(nèi)的數(shù)字代表最新重新審批時間。上標(biāo)代表最新版本的變化或重新審批。ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.該標(biāo)準(zhǔn)已經(jīng)被國防機(jī)構(gòu)部門批準(zhǔn)使用。1.Scope范圍1.1Thesetestme

3、thodscoverproceduresforassessingtheadhesionofcoatingfilmstometallicsubstratesbyapplyingandremovingpressure-sensitivetapeovercutsmadeinthefilm.本標(biāo)準(zhǔn)提出的試驗方法是規(guī)定通過在漆膜切割區(qū)施加和撕離壓敏膠帶的方式,對漆膜與金屬底材之間的附著力進(jìn)行評定的程序1.2TestMethodAisprimarilyintendedforuseatjobsiteswhileTestMethodBismoresuitableforuseinthelaboratory.Al

4、so,TestMethodBisnotconsideredsuitableforfilmsthickerthan5mils(125Pm).試驗方法A主要是供工作場所用,而試驗方法B更適合實驗室使用。試驗方法B被視為不適合厚度超過5毫英寸(125微米)的漆膜。NOTE1-Subjecttoagreementbetweenthepurchaserandtheseller,TestMethodBcanbeusedforthickerfilmsifwiderspacedcutsareemployed.注1-根據(jù)買賣雙方的協(xié)議,如果切割間距較寬,漆膜較厚時可采用試驗方法Bo1.3Thesetestmet

5、hodsareusedtoestablishwhethertheadhesionofacoatingtoasubstrateisatagenerallyadequatelevel.Theydonotdistinguishbetweenhigherlevelsofadhesionforwhichmoresophisticatedmethodsofmeasurementarerequired.本標(biāo)準(zhǔn)規(guī)定的試驗方法用于總體判定涂層與底材之間的附著力是否達(dá)到足夠的水平。如果附著力較高,本標(biāo)準(zhǔn)規(guī)定的試驗方法無法精確地區(qū)分附著力的差別,需要使用更精確的測量方法。NOTE2-Itshouldberecogn

6、izedthatdifferencesinadherabilityofthecoatingsurfacecanaffecttheresultsobtainedwithcoatingshavingthesameinherentadhesion.注2-應(yīng)該注意到,涂層內(nèi)在附著力相同的情況下,涂覆面附著性的差別會影響測量結(jié)果。4Inmulticoatsystemsadhesionfailuremayoccurbetweencoatssothattheadhesionofthecoatingsystemtothesubstrateisnotdetermined.多層涂層體系可能出現(xiàn)層間脫落,無法確定涂

7、層體系與底材之間的附著力。5ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.SI單位的數(shù)值被視為標(biāo)準(zhǔn),括號內(nèi)的數(shù)值僅供參考6Thisstandarddoesnotpurporttoaddressthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealt

8、hpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.本標(biāo)準(zhǔn)并沒有指出與其使用相關(guān)的所有安全事項。本標(biāo)準(zhǔn)的用戶應(yīng)負(fù)責(zé)在使用之前采取適當(dāng)?shù)陌踩托l(wèi)生措施,并確定各項管理限制條件的適用性ReferencedDocuments參考文件1ASTMStandards:美國材料與試驗協(xié)會標(biāo)準(zhǔn)D609PracticeforPreparationofCold-RolledSteelPanelsforTestingPaint,Varnish,2and Related Coating ProductsD609-涂料,清漆,轉(zhuǎn)

9、化涂層和相關(guān)覆層產(chǎn)品的測試-用冷軋鋼ConversionCoatings,板制備的標(biāo)準(zhǔn)實施規(guī)范D823PracticesforProducingFilmsofUniformThicknessofPaint,Varnish,andRelated2ProductsonTestPanelsD823-色漆,清漆,噴漆及有關(guān)產(chǎn)品制成厚度均勻漆膜試片的方法Electronic ApplicationsD1000TestMethodForPressure-SensitiveAdhesive-CoatedTapesUsedforElectricaland3D1000-電氣設(shè)備用壓合敏感膠粘劑涂覆帶的試驗方法D

10、1730PracticesforPreparationofAluminumandAluminum-AlloySurfacesforPaintingD1730-涂漆用鋁和鋁合金表面預(yù)處理標(biāo)準(zhǔn)實施規(guī)范D2092GuideforPreparationofZinc-Coated(Galvanized)SteelSurfacesforPaintingD2092-用于涂漆的鍍鋅鋼材表面預(yù)處理的標(biāo)準(zhǔn)指南D2370TestMethodforTensilePropertiesofOrganicCoatingsD2370-有機(jī)涂層抗拉性能的標(biāo)準(zhǔn)試驗方法。D3330TestMethodforPeelAdhesion

11、ofPressure-SensitiveTapeD3330-壓敏膠帶剝離強(qiáng)度測試標(biāo)準(zhǔn)D3924SpecificationforStandardEnvironmentforConditioningandTestingPaint,Varnish,2Lacquer,andRelatedMaterials1D3924-色漆,清漆,噴漆和相關(guān)物質(zhì)狀態(tài)調(diào)節(jié)和試驗用標(biāo)準(zhǔn)環(huán)境規(guī)范D4060TestMethodforAbrasionResistanceofOrganicCoatingsbytheTaberAbraserD4060-用泰伯爾磨蝕機(jī)測定有機(jī)涂層耐磨性的標(biāo)準(zhǔn)試驗方法SummaryofTestMetho

12、ds試驗方法摘要1TestMethodA一AnX-cutismadethroughthefilmtothesubstrate,pressure-sensitivetapeisappliedoverthecutandthenremoved,andadhesionisassessedqualitativelyonthe0to5scale.試驗方法A:一個X切口貫通漆膜和底材,在切口處施加和移除壓敏膠帶,粘附力按照0-5等級進(jìn)行評估。2TestMethodB一Alatticepatternwitheithersixorelevencutsineachdirectionismadeinthefilmt

13、othesubstrate,pressure-sensitivetapeisappliedoverthelatticeandthenremoved,andadhesionisevaluatedbycomparisonwithdescriptionsandillustrations.試驗方法B:在涂層與底材之間切割出六道或八一道格形狀的切痕,在格之間施加和移除壓敏膠帶,通過圖表描述對比來評估粘附力。SignificanceandUse意義和用途41Ifacoatingistofulfillitsfunctionofprotectingordecoratingasubstrate,itmustad

14、heretoitfortheexpectedservicelife.Becausethesubstrateanditssurfacepreparation(orlackofit)haveadrasticeffectontheadhesionofcoatings,amethodtoevaluateadhesionofacoatingtodifferentsubstratesorsurfacetreatments,orofdifferentcoatingstothesamesubstrateandtreatment,isofconsiderableusefulnessintheindustry.如

15、果涂層能保護(hù)或裝飾底材,必須要達(dá)到預(yù)期的服務(wù)壽命。因為涂層的附著性對底材和其表面處理(或缺乏)有強(qiáng)烈的影響,用同一種方法來評估不同底材涂層或表面處理,或同一底材和表面處理但不同涂 層被視為無用These test methods are under the jurisdiction of ASTM Committee DOI on Paint and Related Coatings, Materials, and Applications and are the direct responsibility of Subcommittee DOI.23 on Physical Properti

16、es of Applied Paint Films.Current edition approved Aug. 10, 2002. Published October 2002. Originally published asD 3359 - 74. Last previous edition D 3359-97.Annual Book of ASTM Standards,Vol 06.01.Annual Book of ASTM Standards10.01.Annual Book of ASTM Standards,Vol 02.05.AnnualBook of ASTM Standard

17、s,Vol 06.02.,Vol 15.09.AnnualBookofASTMStandards此測試方法在美國材料與試驗協(xié)會D01是關(guān)于油漆和相關(guān)涂層、材料、應(yīng)用軟件和關(guān)于油漆涂層的物理性能D01.23的權(quán)限下進(jìn)行的。最新版本在2002年8月10號被認(rèn)可。2002年10月出版。最初出版是D3359-74,上一個版本是D3359-97。1.3 )的特殊限制。內(nèi)部(如測試方法D2370及測試2Thelimitationsofalladhesionmethodsandthespecificlimitationofthistestmethodtolowerlevelsofadhesion(seel.

18、3)shouldberecognizedbeforeusingit.Theintra-andinter-laboratoryprecisionofthistestmethodissimilartootherwidely-acceptedtestsforcoatedsubstrates(forexample,TestMethodD2370andTestMethodD4060),butthisispartlytheresultofitbeinginsensitivetoallbutlargedifferencesinadhesion.Thelimitedscaleof0to5wasselected

19、deliberatelytoavoidafalseimpressionofbeingsensitive.在使用前,應(yīng)承認(rèn)所有附著力方法的局限性和這個試驗方法對較低級附著力(見多個實驗室所進(jìn)行的精密度的這種測試方法類似于其他已被廣泛接受涂層測試方法D4060),為避免敏感的假象而刻意限定0-5等級范圍。TESTMETHODX-CUTTAPETEST試驗方法A:戈UX法膠帶測試ApparatusandMaterials儀器和材料CuttingTool一Sharprazorblade,scalpel,knifeorothercuttingdevices.Itisofparticularimporta

20、ncethatthecuttingedgesbeingoodcondition.切削刀具:一一鋒利的刀片、手術(shù)刀、刀或者其他切削設(shè)備。5.2CuttingGuide一Steelorotherhardmetalstraightedgetoensurestraightcuts.引導(dǎo)切割一一鋼制或其他金屬制的直尺或夾具來保證直線切割。5.3Tape-25-mm(1.0-in.)widesemitransparentpressuresensitivetape7withanadhesionstrengthagreeduponbythesupplierandtheuserisneeded.Becauseo

21、fthevariabilityinadhesionstrengthfrombatch-to-batchandwithtime,itisessentialthattapefromthesamebatchbeusedwhentestsaretoberunindifferentlaboratories.Ifthisisnotpossible,thetestmethodshouldbeusedonlyforrankingaseriesoftestcoatings.膠帶一一經(jīng)供應(yīng)商和用戶同意的25nl寬的半透明的透明具有粘合力壓敏膠粘帶。因為粘合力是隨著時間和批次不同是變化的,故各個實驗室進(jìn)行測試時所使

22、用的膠帶要是同一批次的。如果無法做到這一點(diǎn),此測試方法應(yīng)僅適用于一系列涂層測試的排名。5.4RubberEraser,ontheendofapencil.鉛筆一頭的橡皮擦5Illumination一Alightsourceishelpfulindeterminingwhetherthecutshavebeenmadethroughthefilmtothesubstrate.照明燈源(如手電筒)一一當(dāng)在漆膜與底材之間開有切割時,光源是有很有幫助的。TestSpecimens試樣1Whenthistestmethodisusedinthefield,thespecimenisthecoatedst

23、ructureorarticleonwhichtheadhesionistobeevaluated.當(dāng)這個試驗方法在實地使用時,被測試的結(jié)構(gòu)或物品上的粘附力都將要被評估。6.2Forlaboratoryuseapplythematerialstobetestedtopanelsofthecompositionandsurfaceconditionsonwhichitisdesiredtodeterminetheadhesion.實驗室使用申請材料進(jìn)行試驗,通過測試板的成份的和表面情況來評估附著力。NOTE3-Applicabletestpaneldescriptionandsurfacepre

24、parationmethodsaregiveninPracticeD609andPracticesD1730andD2092.備注3:適用的測試板描述和表面處理方法見D609和D1730、D2092。NOTE4-CoatingsshouldbeappliedinaccordancewithPracticeD823,orasagreeduponbetweenthepurchaserandtheseller.備注4:涂層應(yīng)按照D823,或者買方和賣方之間所達(dá)成的協(xié)議。NOTE5-Ifdesiredorspecified,thecoatedtestpanelsmaybesubjectedtoapre

25、liminaryexposuresuchaswaterimmersion,saltspray,orhighhumiditybeforeconductingthetapetest.Theconditionsandtimeofexposurewillbegovernedbyultimatecoatinguseorshallbeagreeduponbetweenthepurchaserandseller./如:浸在水中,鹽霧或備注5:如需要或已列明,規(guī)定,涂層測試板在進(jìn)行測試前可能需先暴露于高濕度中。浸泡的時間和條件應(yīng)取決于涂層產(chǎn)品的最終用途或者買方和賣方之間達(dá)成的協(xié)議。7.Procedure程序1

26、Selectanareafreeofblemishesandminorsurfaceimperfections.Fortestsinthefield,ensurethatthesurfaceiscleananddry.Extremesintemperatureorrelativehumiditymayaffecttheadhesionofthetapeorthecoating.在實地做此試驗時,需確保試樣涂層表面要清潔干燥。高溫和高濕會影響膠帶附著力。1.1Forspecimenswhichhavebeenimmersed:Afterimmersion,cleanandwipethesurfa

27、cewithanappropriatesolventwhichwillnotharmtheintegrityofthecoating.Thendryorpreparethesurface,orboth,asagreeduponbetweenthepurchaserandtheseller.根據(jù)買方和賣方之間雙方達(dá)成的協(xié)議,對于被浸泡的樣件,浸泡完以后用適當(dāng)?shù)娜軇?不能損害涂層)擦凈表面,然后讓其干燥2Maketwocutsinthefilmeachabout40mm(1.5in.)longthatintersectneartheirmiddlewithasmallerangleofbetwee

28、n30and450Whenmakingtheincisions,usethestraightedgeandcutthroughthecoatingtothesubstrateinonesteadymotion.用刀具沿直線穩(wěn)定地切割漆臘至底材,夾角30-45,劃線40nl長,交叉點(diǎn)在線長的中間3Inspecttheincisionsforreflectionoflightfromthemetalsubstratetoestablishthatthecoatingfilmhasbeenpenetrated.IfthesubstratehasnotbeenreachedmakeanotherXin

29、adifferentlocation.Donotattempttodeepenapreviouscutasthismayaffectadhesionalongtheincision.用燈光照明查看鋼質(zhì)基底的反射,確定劃痕是否到底材,如果沒有,在不同位置再劃一個深以前切口的深Xo不要試圖加度,這樣可能影響切口處的附著性。4Removetwocompletelapsofthepressure-sensitivetapefromtherollanddiscard.Removeanadditionallengthatasteady(thatis,notjerked)rateandcutapieceab

30、out75mm(3in.)long.除去壓敏膠帶上面的兩圈,然后以穩(wěn)定的速率拉開膠帶,剪下長約75mr膠帶。5Placethecenterofthetapeattheintersectionofthecutswiththetaperunninginthesamedirectionasthesmallerangles.Smooththetapeintoplacebyfingerintheareaoftheincisionsandthenrubfirmlywiththeeraserontheendofapencil.Thecolorunderthetransparenttapeisausefuli

31、ndicationofwhengoodcontacthasbeenmade.把膠帶中間放在切割處的交叉點(diǎn)上,用手指壓平,為了保證膠帶與涂層接觸良好,再用鉛筆頂端的橡皮擦用力摩平膠帶,透過透明膠帶析顏色可以幫助我們看出與漆膜接觸的狀態(tài)密實程度6Within9030sofapplication,removethetapebyseizingthefreeendandpullingitoffrapidly(notjerked)backuponitselfatasclosetoanangleof180aspossible.在貼上膠帶9030秒內(nèi),扯住膠帶懸空的一端,快速地并盡可能確保拉力沿180的方向進(jìn)

32、行撕離膠帶。7InspecttheX-cutareaforremovalofcoatingfromthesubstrateorpreviouscoatingandratetheadhesioninaccordancewiththefollowingscale:按照下列標(biāo)準(zhǔn)進(jìn)行檢查底材涂層脫落的X切口面積情況:5ANopeelingorremoval,沒有脫皮或脫皮4ATracepeelingorremovalalongincisionsorattheirintersection,沿刀痕或在其交叉口處有脫皮或脫落的痕跡3AJaggedremovalalongincisionsupto1.6mm(

33、1/16in.)oneitherside,刀痕兩邊都有缺口狀脫落達(dá)1.6mm2AJaggedremovalalongmostofincisionsupto3.2mm(1/8in.)oneitherside,刀痕兩邊都有缺口狀脫落達(dá)3.2mm1ARemovalfrommostoftheareaoftheXunderthetape,膠帶下的X區(qū)域內(nèi)大部分脫落0ARemovalbeyondtheareaoftheX.脫落面各超出X區(qū)域。8Repeatthetestintwootherlocationsoneachtestpanel.Forlargestructuresmakesufficientte

34、ststoensurethattheadhesionevaluationisrepresentativeofthewholesurface.在每個測試板的另外兩個地方重復(fù)測試。對大型結(jié)構(gòu)需充分試驗以保證了粘合力評估以代表整個表面。9Aftermakingseveralcutsexaminethecuttingedgeand,ifnecessary,removeanyflatspotsorwire-edgebyabradinglightlyonafineoilstonebeforeusingagain.Discardcuttingtoolsthatdevelopnicksorotherdefec

35、tsthattearthefilm.切割了幾個切口以后,檢查切口邊,如果需要,使用以前用油石輕微磨擦去除斑點(diǎn)、除尖角Report報告1Reportthenumberoftests,theirmeanandrange,andforcoatingsystems,wherethefailureoccurredthatis,betweenfirstcoatandsubstrate,betweenfirstandsecondcoat,etc.記錄試驗的數(shù)次及相關(guān)意思和范圍,對于涂層系統(tǒng),失效發(fā)生在哪里,發(fā)生在第一個涂層和基體之間,2Forfieldtestsreportthestructureorart

36、icletested,thelocationandtheenvironmentalconditionsatthetimeoftesting.實地測試時,報告需注明涂層系統(tǒng)、施工時間、固化情況。3Fortestpanelsreportthesubstrateemployed,thetypeofcoating,themethodofcure,andtheenvironmentalconditionsatthetimeoftesting.記錄測試板所用的底材,涂層的類型,處理的方法,和試驗時的環(huán)境情況。4Iftheadhesionstrengthofthetapehasbeendeterminedi

37、naccordancewithTest還是在第一與第二涂層之間。MethodsD1000orD3330,reporttheresultswiththeadhesionrating(s).Iftheadhesionstrengthofthetapehasnotbeendetermined,reportthespecifictapeusedanditsmanufacturer.如果膠帶的附著力已確定符合D1000或者D3330,記錄附著力等級的結(jié)果。如果膠帶附著力大小未確定,記錄所使用的膠帶細(xì)節(jié)及其生產(chǎn)廠家。8.5Ifthetestisperformedafterimmersion,reporti

38、mmersionconditionsandmethodofsamplepreparation.如果試驗在浸泡以后再進(jìn)行,記錄浸泡的條件和試樣準(zhǔn)備方法。PrecisionandBias精度和偏差1Inaninterlaboratorystudyofthistestmethodinwhichoperatorsinsixlaboratoriesmadeoneadhesionmeasurementonthreepanelseachofthreecoatingscoveringawiderangeofadhesion,thewithin-laboratoriesstandarddeviationwasf

39、oundtobe0.33andthebetween-laboratories0.44.Basedonthesestandarddeviations,thefollowingcriteriashouldbeusedforjudgingtheacceptabilityofresultsatthe95%confidencelevel:在多個實驗室進(jìn)行的測試方法。操作者在6個實驗室內(nèi)的3個平板上(各涂層上進(jìn)行一系列附著力測量,做同一個附著力測試。在同一個實驗室的標(biāo)準(zhǔn)偏差為0.33,在不同實驗室發(fā)現(xiàn)偏差為0.44.以這些標(biāo)準(zhǔn)偏差為基礎(chǔ),以下標(biāo)準(zhǔn)應(yīng)該用來確定結(jié)果的可行性有95%的可信度。1.1Repeat

40、ability一Providedadhesionisuniformoveralargesurface,resultsobtainedbythesameoperatorshouldbeconsideredsuspectiftheydifferbymorethan1ratingunitfortwomeasurements.重復(fù)性:假定在一個大表面的附著力是一致的,同一個操作者兩次測量得到的結(jié)果差異超過一個單位等級,那麼將被認(rèn)為是不可信的。1.2Reproducibility一Tworesults,eachthemeanoftriplicates,obtainedbydifferentoperato

41、rsshouldbeconsideredsuspectiftheydifferbymorethan1.5ratingunits.再現(xiàn)性:取每個操作者3次測量的均值,如果得到的兩個結(jié)果超過L5個單位等級,那麼將被認(rèn)為是不可信的。2Biascannotbeestablishedforthesetestmethods.用這些測試方法不能確定偏差。TESTMETHODCROSS-CUTTAPETESff1試方法B:戈U格法膠帶測試ApparatusandMaterials器具和材料10.1CuttingTool9-Sharprazorblade,scalpel,knifeorothercuttingd

42、evicehavingacuttingedgeanglebetween15and300thatwillmakeeitherasinglecutorseveralcutsatonce.Itisofparticularimportancethatthecuttingedgeoredgesbeingoodcondition.切割刀具:一一鋒利的刀刃、手術(shù)刀、刀或者其他切削設(shè)備(刀刃在15-30度之間),切削單個切口或多個切口。切割邊緣情況良好是特別重要的。10.2CuttingGuide一Ifcutsaremademanually(asopposedtoamechanicalapparatus)as

43、teelorotherhardmetalstraightedgeortemplatetoensurestraightcuts.切割指南:如果是手動切削,鋼制或其他金屬制的直尺或夾具來保證直線切割。10.3Rule一Temperedsteelrulegraduatedin0.5mmformeasuringindividualcuts.尺子:用刻度為0.5mm可距的尺子10.4Tape,asdescribedin5.3.膠帶:見5.35RubberEraser,ontheendofapencil.鉛筆一頭的橡皮擦6Illumination,asdescribedin5.5.照明描述見5.510.7

44、MagnifyingGlass一Anilluminatedmagnifiertobeusedwhilemakingindividualcutsandexaminingthetestarea.放大鏡一一照明放大器。TestSpecimens試樣1TestspecimensshallbeasdescribedinSection6.Itshouldbenoted,however,thatmultitipcutters10providegoodresultsonlyontestareassufficientlyplanethatallcuttingedgescontactthesubstratetot

45、hesamedegree.Checkforflatnesswithastraightedgesuchasthatofthetemperedsteelrule(10.3).試樣要求需同第6部分。應(yīng)當(dāng)記錄,只有當(dāng)試驗區(qū)域足夠平使切口在同一程度接觸底材時,得到好的結(jié)果。Procedure程序12.1Whererequiredorwhenagreedupon,subjectthespecimenstoapreliminarytestbeforeconductingthetapetest(seeNote3).Afterdryingortestingthecoating,conductthetapetes

46、tatroomtemperatureasdefinedinSpecificationD3924,unlessD3924standardtemperatureisrequiredoragreed.當(dāng)需要或已達(dá)成協(xié)議時,進(jìn)行試驗以前樣本要經(jīng)過初步測試(見注3)o經(jīng)過烘干或涂層檢驗,按照D3924如需要或達(dá)成協(xié)議)中要求的室溫進(jìn)行膠帶試驗。12.1.1Forspecimenswhichhavebeenimmersed:Afterimmersion,cleanandwipethesurfacewithanappropriatesolventwhichwillnotharmtheintegrityoft

47、hecoating.Thendryorpreparethesurface,orboth,asagreeduponbetweenthepurchaserandtheseller.根據(jù)買方和賣方之間雙方達(dá)成的協(xié)議,對于被浸泡的樣件,浸泡完以后用適當(dāng)?shù)娜軇?不能損害涂層)擦凈表面,然后讓其干燥12.2Selectanareafreeofblemishesandminorsurfaceimperfections,placeonafirmbase,andundertheilluminatedmagnifier,makeparallelcutsasfollows:選擇一個無瑕疵和表面無小缺陷的區(qū)域,平穩(wěn)地

48、放在照明放大鏡下,按如下所示平行切割:12.2.1Forcoatingshavingadryfilmthicknessuptoandincluding2.0mils(50Pm)s (50 P m) and 5 mils (125使涂層漆膜表面干燥,包括50umi勺空間切口距離1mm有11個切口,或者協(xié)商確定。12.2.2Forcoatingshavingadryfilmthicknessbetween2.0Pm),spacethecuts2mmapartandma

49、kesixcuts.Forfilmsthickerthan5milsuseTestMethodA.11漆膜厚度2.0mils(50Pm)5mils(125Pm)之間,戈(6個切口,每個切口間距2mm涂層漆膜厚度大于5mils用測試方法AMakeallcutsabout20mm(3.4in.)long.Cutthroughthefilmtothesubstrateinonesteadymotionusingjustsufficientpressureonthecuttingtooltohavethecuttingedgereachthesubstrate.Whenmakings

50、uccessivesinglecutswiththeaidofaguide,placetheguideontheuncutarea.切口長20mm勻速的切割漆膜,刀刀見鐵(直透底材表面)12.3Aftermakingtherequiredcutsbrushthefilmlightlywithasoftbrushortissuetoremoveanydetachedflakesorribbonsofcoatings.切完切口以后,用軟刷子或薄紙輕掃,去除剝落的薄片或剝落的涂層。12.4Examinethecuttingedgeand,ifnecessary,removeanyflatspotso

51、rwire-edgebyabradinglightlyonafineoiltone.Maketheadditionalnumberofcutsat90toandcenteredontheoriginalcuts.檢查切口邊緣,如果需要,使用以前用油石輕微磨擦去除斑點(diǎn)、除尖角;并重復(fù)以上操作,以次平行等數(shù)切割90角再漆臘,形成井字格12.5Brushtheareaasbeforeandinspecttheincisionsforreflectionoflightfromthesubstrate.Ifthemetalhasnotbeenreachedmakeanothergridinadiffer

52、entlocation.像之前一樣用刷子輕刷表面,檢查切口基底的反射,確定劃痕是否到底,如果沒有,在另一個地方重新切割。12.6Removetwocompletelapsoftapeanddiscard.Removeanadditionallengthatasteady(thatis,notjerked)rateandcutapieceabout75mm(3in.)long.除去壓敏膠帶上面的兩圈,然后以穩(wěn)定的速率拉開膠帶,剪下長約75nl膠帶。12.7Placethecenterofthetapeoverthegridandintheareaofthegridsmoothintoplaceb

53、yafinger.Toensuregoodcontactwiththefilmrubthetapefirmlywiththeeraserontheendofapencil.Thecolorunderthetapeisausefulindicationofwhengoodcontacthasbeenmade.把膠帶中間放在切割處的格子上,用手指壓平,為了保證膠帶與涂層接觸良好,再用鉛筆頂端的橡皮擦用力摩平膠帶,透過透明膠帶析顏色可以幫助我們看出與漆膜接觸的狀態(tài)密實程度12.8Within9030sofapplication,removethetapebyseizingthefreeendandr

54、apidly(notjerked)backuponitselfatasclosetoanangleof180aspossible.在貼上膠帶9030秒內(nèi),扯住膠帶懸空的一端,快速地并盡可能確保拉力沿180的方向進(jìn)行撕離膠帶12.9Inspectthegridareaforremovalofcoatingfromthesubstrateorfromapreviouscoatingusingtheilluminatedmagnifier.RatetheadhesioninaccordancewiththefollowingscaleillustratedinFig.1:用照明放大鏡檢查漆膜,根據(jù)脫

55、漆部位與網(wǎng)格區(qū)的關(guān)系按下列說明評定等級5BTheedgesofthecutsarecompletelysmooth;noneofthesquaresofthelatticeisdetached.切邊非常光滑,沒有一個網(wǎng)格方塊脫落4BSmallflakesofthecoatingaredetachedatintersections;lessthan5%oftheareaisaffected.在網(wǎng)格切入點(diǎn),有微小的鱗片狀漆膜脫落,影響面積為5%3BSmallflakesofthecoatingaredetachedalongedgesandatintersectionsofcuts.Thearea

56、affectedis5to15%ofthelattice.漆層沿切入點(diǎn)脫落或在網(wǎng)格線的切入點(diǎn)上有部分或全部脫落,影響面積為5%-15%2BThecoatinghasflakedalongtheedgesandonpartsofthesquares.Theareaaffectedis15to35%ofthelattice.漆層沿切入點(diǎn)大塊脫落或全部脫落或是網(wǎng)格方塊部分或全部脫落。影響面積為15-35%IBThecoatinghasflakedalongtheedgesofcutsinlargeribbonsandwholesquareshavedetached.Theareaaffectedis

57、35to65%ofthelattice.OBFlakinganddetachmentworsethanGrade1.35-65%漆層沿切入點(diǎn)大塊脫落或全部脫落或是網(wǎng)格方塊部分或全部脫落,影響面積為剝落離比等級1更嚴(yán)重。58G*None人qmoiILLrrHIVT-4Matitz一41-44BLe5sthan5%1m3H5-15%mJh14+HI二,二4-4-1*-iTIIn2B15-35)_LLLIIIIIIIII塞不JUmmiriiII口j二Jr1I11111111EarmIB35弘Tn二I.1hlnTITTrrrOBGreaterthan65%二丹FIG.1Classificationof

58、AdhesionTestResults10Repeatthetestintwootherlocationsoneachtestpanel.在每個測試面板上,另兩個不同的位置重復(fù)試驗。Report報告13.1Reportthenumberoftests,theirmeanandrange,andforcoatingsystems,wherethefailureoccurred,thatis,betweenfirstcoatandsubstrate,betweenfirstandsecondcoat,etc.報告試驗的數(shù)量,意義和范圍,涂層系統(tǒng)失敗發(fā)生在哪,第一涂層與底材之間還是第一涂層與第二涂層

59、之間等等。13.2Reportthesubstrateemployed,thetypeofcoatingandthemethodofcure.報告使用的底材,涂層的類型和處理的方法。13.3IftheadhesionstrengthhasbeendeterminedinaccordancewithTestMethodsD1000orD3330,reporttheresultswiththeadhesionrating(s).Iftheadhesionstrengthofthetapehasnotbeendetermined,reportthespecifictapeusedanditsmanu

60、facturer.如果附著力已根據(jù)測試方法D1000或者D3330確定一致,記錄附著力等級的結(jié)果。如果膠帶附著力大小未確定,記錄所使用的膠帶詳細(xì)細(xì)節(jié)及其生產(chǎn)廠家。13.4Ifthetestisperformedafterimmersion,reportimmersionconditionsandmethodofsamplepreparation.如果測試是在在浸泡以后再進(jìn)行,記錄浸泡的條件和測試樣品的準(zhǔn)備方法。14.PrecisionandBias精度和偏差14.1Onthebasisoftwointerlaboratorytestsofthistestmethodinoneofwhichop

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