BS EN ISO 9653-2000 Adhesives - Test method for shear strength of adhesive bonds《粘合剂 胶粘剪切强度的试验方法》.pdf

1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN ISO 9653:2000 The E

2、uropean Standard EN ISO 9653:2000 has the status of a British Standard ICS 83.180 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Adhesives Test method for shear strength of adhesive bonds (ISO 9653:1998)This British Standard, having been prepared under the direction of the Se

3、ctor Committee for Materials and Chemicals, was published under the authority of the Standards Committee and comes into effect on 15 October 2000 BSI 10-2000 ISBN 0 580 36592 1 BS EN ISO 9653:2000 Amendments issued since publication Amd. No. Date Comments National foreword This British Standard is t

4、he official English language version of EN ISO 9653:2000. It is identical with ISO 9653:1998. It supersedes BS EN 29653:1994 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee PRI/52, Adhesives, which has the responsibility to: aid enquirers to understan

5、d the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this

6、 committee can be obtained on request to its secretary. Cross-references Attention is drawn to the fact that CEN and CENELEC Standards normally include an annex which lists normative references to international publications with their corresponding European publications. The British Standards which

7、implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not

8、purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside fro

9、nt cover, the EN ISO title page, the EN ISO foreword page, the ISO title page, page ii, pages 1 to 6, the annex ZA page and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued.EUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM ENISO9653 July2000

10、ICS83.180 SupersedesEN29653:1994 Englishversion AdhesivesTestmethodforshearimpactstrengthofadhesive bonds(ISO9653:1998) AdhsifsEssaidetenueauchocparcisaillementdujoint adhsif(ISO9653:1998) KlebstoffePrfverfahrenfrdieScherschlagfestigkeitvon Klebungen(ISO9653:1998) ThisEuropeanStandardwasapprovedbyCE

11、Non9June2000. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheCentralSecr

12、etariatortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusast heofficial versions. CENmembersarethenationalstanda

13、rdsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG CentralSecretariat:ruedeS

14、tassart,36B1050Brussels 2000CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.ENISO9653:2000EForeword ThetextoftheInternationalStandardfromTechnicalCommitteeISO/TC61“Plastics“ofthe InternationalOrganizatio n forStandardization(ISO)hasbeentakenoverasanEu

15、ropeanStandardby TechnicalCommitteeCEN/TC193“Adhesives“,thesecretariatofwhichisheldbyAENOR. ThisEuropeanStandardsupersedesEN29653:1994. ThisEuropeanStandardshallbegiventhestatuso fanationalstandard,eitherbypublicationofan identical textorb y endorsement,atth e latestbyJanuar y 2001,andconflictin g n

16、ationalstandardsshall bewithdrawnatthelatestbyJanuary2001. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationso f the followingcountriesar e boundtoimplemen t thisEuropeanStandard : Austria,Belgium,Czec h Republic, Denmark,Finland , France,Germany,Greece , Iceland,Ireland,

17、Italy,Luxembourg , Netherlands,Norway, Portugal,Spain,Sweden,SwitzerlandandtheUnitedKingdom. Endorsementnotice ThetextoftheInternationalStandardISO9653:1998hasbeenapprovedbyCENasaEuropean Standardwithoutanymodification. NOTE:NormativereferencestoInternationalStandardsarelistedinannexZA(normative). E

18、N ISO 9653:2000A Referencenumbe r ISO9653:1998 (E) INTERNATIONAL STANDARD ISO 9653 Secondedition 19980801 AdhesivesTestmethodforshearimpact strengthofadhesivebonds AdhsifsEssaidetenueauchocparcisaillementdujointadhsif EN ISO 9653:2000ii Foreword ISO(theInternationalOrganizationforStandardization) is

19、aworldwide federationofnationalstandardsbodies(ISOmemberbodies).Thework of preparingInternationalStandardsisnormallycarriedoutthroughISO technicalcommittees.Eachmemberbodyinterestedinasubjectfor which atechnicalcommitteehasbeenestablishedhas the right to be represented onthatcommittee.Internationalo

20、rganizations,governmenta landnon governmental,inliaisonwithISO,alsotakepartinthework.ISO collaboratescloselywiththeInternationalElectrotechnicalCommission (IEC)onallmattersofelectrotechnicalstandardization. DraftInternationalStandardsadoptedbythetechnica lcommitteesare circulatedtothememberbodiesfor

21、voting.PublicationasanInternational Standard requires approval byatleast7 5 %ofthememberbodiescasting avote. InternationalStandardISO9653waspreparedbyTechnicalCommittee ISO/TC61, Plastics, SubcommitteeSC11, Products. Thissecondeditioncancelsandreplacesthefirstedition(ISO 9653:1991). In addition to n

22、ormativereferences,requirementshavebeenaddedforthe preparation of plastictoplastic specimens priortobonding(8.1.3),andthe requirementsforspecimenconditioning(9.1)an d for the reporting of failure patterns(10.4.3)changed. EN ISO 9653:20001 AdhesivesTestmethodforshearimpactstrengthof adhesivebonds 1Sc

23、ope 1.1 ThisInternationalStandardspecifiesamethodforthedeterminationofthecomparativeimpactvalueof adhesivebondsinshear,whentestedonstandardspecimens,andusingspecifiedconditionsofpreparation, conditioningandtesting. 1.2 The method is intended to beusedforwoodtowoodormetaltometalbonds,butmaybeextended

24、tocover plasticstoplasticsbondsaswellasbondsbetweencombinationsofthesematerials. 2Normativereferences Thefollowingstandardscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthis InternationalStandard.Atthetimeofpublication,theeditionsindicatedwerevalid.Allstandardsaresubjectto

25、revision,andpartiestoagreementsbasedonthisInternationalStandardareencouragedt oinvestigatethe possibility ofapplyingthemostrecenteditionsofthestandardsindicatedbelow.MembersofIECandISOmaintain registersofcurrentlyvalidInternationalStandards. ISO291:1997, PlasticsStandardatmospheresforconditioningand

26、testing. ISO4588:1995, AdhesivesGuidelinesforthesurfacepreparationofmetals. ISO9142:1990, AdhesivesGuidetotheselectionofstandardlaboratoryageingconditionsfortestingbonded joints. ISO10365:1992, Adhesives Designationofmainfailurepatterns. ISO13895:1996, AdhesivesGuidelinesforthesurfacepreparationofpl

27、astics. 3Definition ForthepurposesofthisInternationalStandard,thefollowingdefinitionapplies. 3.1impact value:Energyabsorbedbyaspecimenofstandarddesignwhenshearedbyasingleblowofa testingmachinehammer.Theimpactvalueisexpressedinjoulespersquaremetre. 4Principle Theimpactvalueisdeterminedbyusingapendulu

28、mtypeimpactmachineonametaltometalorwoodtowood specimen. EN ISO 9653:20002 5Apparatus 5.1 Pendulumtypeimpactmachine, witha impactheadvelocityof3, 4 m/s,comprisingtheelementsspecifiedin 5.1.1to5.1.3. 5.1.1 Impacthead, withaflatstrikingfaceslightlywiderthanthespecimenandalignedtostrike the specimen ful

29、l face. 5.1.2 Specimenholdingfixture, asshowninfigur e 1.Thefixtureillustratedisnotalwayssuitableforusewithall impactmachinesandvices.Dimensionsanddesignofthefixturemaybevariedasrequiredforadaptationto machinesandvicesavailable,providedthefollowinggeneralrequirementsaremet: Thefixtureshallbemachined

30、fromasolidpieceofsteelandsolidlyboltedtothebaseofthetestingmachine. Cornersshallbedrilledtoensurethatthespecimensetsflushagainsttheretainingendofthefixture.Thedrilled cornersareprovidedtominimizedirtcollectionatthecornerswhichcoul d hold the end of the specimen away from thefaceofthefixture.Thefixtu

31、reshallbeprovidedwithascrewtotightenthespecimeninthefixturetominimize thetendencyofthespecimentooverturnwhenstruck.Ametalplatemaybeplacedbetweentheendoftheblock and the end of the screw whennonmetallicadherendsareused.Thefixtureshallbesolocatedthatthespecimen willbestruckatthepointofmaximumheadveloc

32、ity. Dimensionsinmillimetres Figure1Adapterfixtureforimpactmachines EN ISO 9653:20003 5.1.3Vice or bolts, toholdthefixturefirmandimmobileunderthestressofthetestingmachin e hammer. The total heightofthevicefixtureandspecimenshallbesuchthattheloweredgeofthestrikingfaceoftheimpacthead strikesthespecime

33、nasneartheadhesivelineaspossible,preferablywithin0,8 0mm.Ordinarily,thedistance between the topofthejawsoftheviceofthemachineandthebottomofthestrikingfaceoftheheadis2 2 mm.The properheightofthespecimenmaybeobtainedbyadjustingitsheightinthefixture. NOTE Additionalinformationonimpacttestingmachinesand

34、theircalibrationmaybefoundinISO 178:1993,Plastics Determinationofflexuralproperties, andISO179 (bothparts), PlasticsDeterminationofCharpyimpactproperties. 5.2Conditioningchamber, capableofmaintainingarelativehumidityof(5 0 5)%at23C 2C. NOTEAsaturatedsolutionofcalciumnitratewillgiveapproximately51%re

35、lativehumidityatthetesttemperature. 6Specimens 6.1 Thespecimenformetaltometaladhesivesshallconformt othedimensionsgiveninfigure2a)whenever possible. In caseswherethisspecimencannotbefracturedinthetestingmachineavailable,thedimensionsofthe 25 mmby2 5 mmblockmaybereducedtoasmallersquare,keepingthedime

36、nsionso f the 25 mm by 45 mm block constant.Thedimensionsofthespecimenandbondedareashallbeclearlystatedinthetestreport(claus e 13). In any case, it isdesirablethatthespecimensizebesuchastogiveimpactstrengthsthatfallsomewherenearthe middlerangeofthetestingmachine,sincereadingsinthehighestandlowestran

37、gesareoftenunreliable.The specimenshallbeassembledinsuchawaythatthefacereceivingtheimpactloadisatthepointofmaximum velocity of the impact head. The impactfaceofthespecimenshallbesquareandflat,perpendiculartotheplaneof thebond,andparalleltothestrikingfaceofthependulum. Testsonadhesiveswithhighimpacts

38、trengthshouldbeconductedo nsteeltominimizedeformation.Specimens maybereusedaftertesting,providedthatthefacereceivingtheimpactisnotdeformed. 6.2 Specimensforwoodtowoodadhesivesshallconformtothedimensionsshowninfigur e 2b).Thespecimens shallbepreparedbybondingblocks1 0 mmthickby2 5 mmwide,ofconvenient

39、length,toblocks20 mmthickby 45 mmwide,ofthesameconvenientlength,wherethe2 5 mmand4 5 mmdimensions,ineachcase,arethosein the direction of the grain. Specimens,each2 5 mminwidth,maythenbecutfromthebondedassemblybycutting acrossthelongdimension,inthegraindirection.Woodhavingaminimumspecificgravityof0,6

40、5basedonoven drymassandvolumeshallbeselected(seethenote).Theseblocksshallbeofstraightgrainandfreefro m defects, includingknots,birdseye,shortgrain,decay,andanyunusualdiscolorationswithinthetestarea.Theblocksshall beattheequilibriummoisturecontentrecommendedbythemanufacturer oftheadhesive.Intheabsenc

41、eofsuch recommendation,themoisturecontentshallbefrom1 0 %to12 %,basedonovendrymassasdeterminedon representativesamples(seethenote).Justpriortobonding,theblocksshallbesurfaced,preferablywit hahand feed jointer, and thenweighedandassembledinpairssothatblocksofapproximatelythesamespecificgravityare bon

42、dedtogether.Thesurfacesshallremainunsandedandshallbefreefromdirt.Blocksshallbebondedas describedinclause8,afterwhichspecimensconformingtofigure2b)shallbeprepared. NOTESuitabl e woods are listed in annexB of ISO6237:1987,AdhesivesWoodtowoodadhesivebonds Determinationofshearstrengthbytensileloading. I

43、nthisannex,themoisturecontentdeterminationprocessisdescribed aswell. EN ISO 9653:20004 Dimensionsinmillimetres Figure2Blockshearimpactspecimen 7Numberofspecimens 7.1Atleast10specimensshallbetestedforeachadhesiveinthecaseofmetaltometalspecimens. 7.2 Atleast20specimensshallbetested,representingatleastfourdifferentjoints,inthecase ofwoodtowood specimens. 7.3 Specimensthatbreakatsomeobviouslyfortuitousflawremotefro mthebondlineshallbediscardedand retestsmade,unlesssuchflawsconstituteavariabletheeffectofwhichitisdesiredtostudy. 8Bonding 8.1