版權(quán)說明:本文檔由用戶提供并上傳,收益歸屬內(nèi)容提供方,若內(nèi)容存在侵權(quán),請進(jìn)行舉報(bào)或認(rèn)領(lǐng)
文檔簡介
1、Designation:D3433?99(Reapproved2012)StardTestMethodfFractureStrengthinCleavageofAdhesivesinBondedMetalJoints1ThisstardisissuedunderthefixeddesignationD3433thenumberimmediatelyfollowingthedesignationindicatestheyearofigin
2、aladoptioninthecaseofrevisiontheyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperepsilon()indicatesaneditialchangesincethelastrevisionreapproval.1.Scope1.1Thistestmethod(12345)2coversthedeter
3、minationoffracturestrengthincleavageofadhesiveswhentestedonstardspecimensunderspecifiedconditionsofpreparationtesting(Note1).1.2Thistestmethodisusefulinthatitcanbeusedtodevelopdesignparametersfbondedassemblies.NOTE1—Whil
4、ethistestmethodisintendedfuseinmetaltometalapplicationsitmaybeusedfmeasuringfracturepropertiesofadhesivesusingplasticadherendsprovidedconsiderationisgiventothethicknessrigidityoftheplasticadherends.1.3ThevaluesstatedinSI
5、unitsaretoberegardedasthestard.Thevaluesgiveninparenthesesarefinfmationonly.1.4Thisstarddoesnotpurpttoaddressallofthesafetyconcernsifanyassociatedwithitsuse.Itistheresponsibilityoftheuserofthisstardtoestablishappropriate
6、safetyhealthpracticesdeterminetheapplicabilityofregulatylimitationspritouse.2.ReferencedDocuments2.1ASTMStards:3A167SpecificationfStainlessHeatResistingChromiumNickelSteelPlateSheetStrip(Withdrawn2014)4A366A366MSpecifica
7、tionfCommercialSteel(CS)SheetCarbon(0.15MaximumPercent)ColdRolled(Withdrawn2000)4B36B36MSpecificationfBrassPlateSheetStripRolledBarB152B152MSpecificationfCopperSheetStripPlateRolledBarB209SpecificationfAluminumAluminumAl
8、loySheetPlateB265SpecificationfTitaniumTitaniumAlloyStripSheetPlateD907TerminologyofAdhesivesE4PracticesfFceVerificationofTestingMachinesE399TestMethodfLinearElasticPlaneStrainFractureToughnessKIcofMetallicMaterials3.Ter
9、minology3.1Definitions:ManyofthetermsusedinthistestmethodaredefinedinTerminologyD907.3.2DefinitionsofTermsSpecifictoThisStard:3.2.1crackextensionfceG—thesystemisolated(fixedloaddisplacement)lossofstressfieldenergyfaninfi
10、nitesimalincreasedAofseparationalarea.InequationfmGdA52dUT(1)whereUT=totalelasticenergyinthesystem(componenttestspecimen).InthetestspecimensofthismethodthecrackfrontisnearlystraightthroughthespecimenthicknessBsothatdA=Bd
11、awheredaisaninfinitesimalfwardmotionoftheleadingedgeofthecrack.Completelylinearelasticbehaviisassumedinthecalculations(SeeAnnexA1)ofGusedinthismethodanallowableassumptionwhenthezoneofnonlineardefmationintheadhesiveissmal
12、lrelativetospecimendimensionscracksize.3.2.1.1Whentheshearstressontheplaneofcrackfwardtoitsleadingedgeiszerothestressstateistermed“openingmode.”ThesymbolfanopeningmodeGisGIfplanestrainG1whentheconnotationofplanestrainisn
13、otwanted.3.2.2openingmodefracturetoughnessG1c—thevalueofGjustpritoonsetofrapidfracturingwhenGisincreasingwithtime.3.2.3openingmodecrackarresttoughnessG1a—thevalueofGjustafterarrestofarunarrestsegmentofcrackextension.3.2.
14、3.1Itisassumedthatthedimensionsofthepartcontainingthecrackarelargecomparedtotherunarrestsegment1ThistestmethodisunderthejurisdictionofASTMCommitteeD14onAdhesivesisthedirectresponsibilityofSubcommitteeD14.80onMetalBonding
15、Adhesives.CurrenteditionapprovedOct.12012.PublishedOctober2012.iginallyapprovedin1975.Lastpreviouseditionapprovedin2005asD3433–99(2005).DOI:10.1520D343399R12.2Theboldfacenumbersinparenthesesrefertothereferencesattheendof
16、thistestmethod.3FreferencedASTMstardsvisittheASTMwebsitewww.astm.gcontactASTMCustomerServiceat.FAnnualBookofASTMStardsvolumeinfmationrefertothestard’sDocumentSummarypageontheASTMwebsite.4Thelastapprovedversionofthishisti
17、calstardisreferencedonwww.astm.g.Copyright?ASTMInternational100BarrHarbDrivePOBoxC700WestConshohockenPA194282959.UnitedStates17.4Testatleasttwelvespecimensrepresentingatleastfourdifferentjoints.NOTE3—Sinceitisunacceptabl
18、etoexceedtheyieldpointofthemetalinflexureduringtestthepermissiblethicknessofthespecimenwillvarywithtypeofmetalthegenerallevelofstrengthoftheadhesivebeinginvestigated.Theminimumpermissiblethicknessinaunifmsymmetricaladher
19、endmaybecomputedfromthefollowingrelationship:h5?6TaBFty(2)where:h=thicknessofmetalnmaltoplaneofbondingmm(in.)Fty=tensileyieldpointofmetal(thestressatproptionallimit)MPa(psi)T=150%ofthemaximumloadtostartthecrackintheadhes
20、ivebondN(lbf)a=cracklengthatmaximumloadmm(in.)B=bondwidthmm(in.).8.PreparationofTestJoints8.1Cutsheetsofthemetalscontouredadherendsprescribedin7.1–7.3torecommendedsize(Figs.23).Alledgesofthemetalpanelsspecimensmustbeflat
21、freeofburrssmooth(4.1m(160in.)maximum)befethepanelsaresurfacetreatedbonded.Cleantreatdrythesheetscontouredadherendscarefullyinaccdancewiththeprocedureprescribedbythemanufactureroftheadhesive.Prepareapplytheadhesiveinaccd
22、ancewiththerecommendationsofthemanufactureroftheadhesive.Applytheadhesivetothefayingsurfaceofonebothmetalsheets.Thenassemblethesheetsfayingsurfacetofayingsurfaceinpairsallowtheadhesivetocureunderconditionsprescribedbythe
23、manufactureroftheadhesive.8.2Itisrecommendedthateach“flatadherend”testjointbemadewithsufficientareatoprovideatleastfivetestspecimens.9.PreparationofTestSpecimens9.1FflatadherendtestspecimenstrimjointareainaccdancewithFig
24、.2.ThencuttestspecimensasshowninFig.1fromthejointsFig.2(Note4).ThencutholesfloadpinsasshowninFig.1.9.2Contoureddoublecantileverspecimensarereadyftestasbonded.NOTE4—Donotuselubricantsoilsduringthecuttingprocess.FFIG.1Flat
溫馨提示
- 1. 本站所有資源如無特殊說明,都需要本地電腦安裝OFFICE2007和PDF閱讀器。圖紙軟件為CAD,CAXA,PROE,UG,SolidWorks等.壓縮文件請下載最新的WinRAR軟件解壓。
- 2. 本站的文檔不包含任何第三方提供的附件圖紙等,如果需要附件,請聯(lián)系上傳者。文件的所有權(quán)益歸上傳用戶所有。
- 3. 本站RAR壓縮包中若帶圖紙,網(wǎng)頁內(nèi)容里面會有圖紙預(yù)覽,若沒有圖紙預(yù)覽就沒有圖紙。
- 4. 未經(jīng)權(quán)益所有人同意不得將文件中的內(nèi)容挪作商業(yè)或盈利用途。
- 5. 眾賞文庫僅提供信息存儲空間,僅對用戶上傳內(nèi)容的表現(xiàn)方式做保護(hù)處理,對用戶上傳分享的文檔內(nèi)容本身不做任何修改或編輯,并不能對任何下載內(nèi)容負(fù)責(zé)。
- 6. 下載文件中如有侵權(quán)或不適當(dāng)內(nèi)容,請與我們聯(lián)系,我們立即糾正。
- 7. 本站不保證下載資源的準(zhǔn)確性、安全性和完整性, 同時也不承擔(dān)用戶因使用這些下載資源對自己和他人造成任何形式的傷害或損失。
最新文檔
- 【astm標(biāo)準(zhǔn)】d 5572 - 95 (2012)
- 【astm標(biāo)準(zhǔn)】d 6200 - 01 (2012)
- 【astm標(biāo)準(zhǔn)】d 6048 - 07 (2012)
- 【astm標(biāo)準(zhǔn)】d 4285 - 83 (2012)
- 【astm標(biāo)準(zhǔn)】d 6131 - 97 (2012)
- 【astm標(biāo)準(zhǔn)】d 3704 - 96 (2012)
- 【astm標(biāo)準(zhǔn)】e 2038 - 99 (2004)
- 【astm標(biāo)準(zhǔn)】d 7310 - 11
- 【astm標(biāo)準(zhǔn)】d 5778 - 12
- 【astm標(biāo)準(zhǔn)】d 7976 - 14
- 【astm標(biāo)準(zhǔn)】d 2200 - 13
- 【astm標(biāo)準(zhǔn)】d 6691 - 09
- 【astm標(biāo)準(zhǔn)】d 6132 - 13
- 【astm標(biāo)準(zhǔn)】d 4566 - 14
- 【astm標(biāo)準(zhǔn)】d 6728 - 11
- 【astm標(biāo)準(zhǔn)】d 1518 - 14
- 【astm標(biāo)準(zhǔn)】d 7224 - 14
- 【astm標(biāo)準(zhǔn)】d 7400 - 14
- 【astm標(biāo)準(zhǔn)】d 6393 - 14
- 【astm標(biāo)準(zhǔn)】d 6054 - 97
評論
0/150
提交評論