1、BRITISH STANDARD BS EN ISO 6603-2:2000 Incorporating Corrigendum Nos. 1 and 2 Plastics Determination of puncture impact behaviour of rigid plastics Part 2: Instrumented puncture testing The European Standard EN ISO 6603-2:2000 has the status of a British Standard ICS 83.080.01 NO COPYING WITHOUT BSI
2、 PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS EN ISO 6603-2:2000 This British Standard, having been prepared under the direction of the Sector Committee for Materials and Chemicals, was published under the authority of the Standards Committee and comes into effect on 15 January 2001 BSI 15 Marc
3、h 2002 ISBN 0 580 36680 4 National foreword This British Standard is the official English language version of EN ISO 6603-2:2000 including corrigendum October 2000. It is identical with ISO 6603-2:2000. It supersedes BS EN ISO 6603-2:1997 which is withdrawn. The UK participation in its preparation w
4、as entrusted to Technical Committee PRI/21, Testing of plastics, which has the responsibility to: A list of organizations represented on this 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 anne
5、x which lists normative references to international publications with their corresponding European publications. The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “Internati
6、onal Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a Brit
7、ish Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European dev
8、elopments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN ISO title page, the EN ISO foreword page, page ii to iv, pages 1 to 23, a blank page, the Annex ZA page and a back cover. The BSI copyright date displayed in this document i
9、ndicates when the document was last issued. Amendments issued since publication Amd. No. Date Comments 13053 Corr. No. 1 April 2001 Correction to EN ISO foreword 13758 Corr. No. 2 15 March 2002 Incorporation of Annex ZAEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM ENISO66032 October2000 ICS83.080.0
10、1 SupersedesENISO66032:1996 Englishversion PlasticsDeterminationofpunctureimpactbehaviourofrigid plasticsPart2:Instrumentedpuncturetest(ISO66032:2000) PlastiquesDterminationducomportementdes plastiquesrigidesperforssousleffetdunchocPartie2: Essaidechocinstrument(ISO66032:2000) KunststoffeBestimmungd
11、esDurchstoverhaltensvon festenKunststoffenTeil2:InstrumentierterSchlagversuch (ISO66032:2000) ThisEuropeanStandardwasapprovedbyCENon1October2000. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwitho
12、utanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCE
13、NmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnit
14、edKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2000CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.ENISO66032:2000EgaPe2 INESO6630:20020 CORRECTED20
15、020206 Foreword Thisdocument(ISO66032:2000)hasbeenpreparedbyTechnicalCommitteeISO/TC198 “Plastics“incollaborationwithTechnicalCommitteeCEN/TC249“Plastics“,thesecretariatof whichisheldbyIBN. ThisdocumentsupersedesENISO66032:1996. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypu
16、blication ofanidenticaltextorbyendorsement,atthelatestbyApril2001,andconflictingnational standardsshallbewithdrawnatthelatestbyApril2001. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsof thefollowingcountriesareboundtoimplementthisEuropeanStandard:Austria,Belgium, Cze
17、chRepublic,Denmark,Finland,France,Germany,Greece,Iceland,Ireland,Italy, Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandtheUnited Kingdom. Endorsementnotice ThetextoftheInternationalStandardISO66032:2000hasbeenapprovedbyCENasa EuropeanStandardwithoutanymodifications. NOTENormativer
18、eferencestoInternationalStandardsarelistedinannexZA(normative). ENISO66032:20002Referencenumber ISO6603-2:2000(E) INTERNATIONAL STANDARD ISO 6603-2 Secondedition 2000-10-01 PlasticsDeterminationofpuncture impactbehaviourofrigidplastics Part2: Instrumentedimpacttesting PlastiquesDterminationducomport
19、ementdesplastiquesrigides perforssousleffetdunchoc Partie2:Essaisdechocinstruments ENISO66032:2000ii ENISO66032:2000 iii Contents Page Foreword.iv 1 Scope1 2 Normativereferences1 3 Termsanddefinitions.1 4 Principle5 5 Apparatus.5 6 Testspecimens9 7 Procedure.9 8 Calculations10 9 Precision.12 10 Test
20、report12 AnnexA(informative)Interpretationofcomplexforce-deflectioncurves14 AnnexB(informative)Frictionbetweenstrikerandspecimen16 AnnexC(informative)Clampingofspecimens19 AnnexD(informative)Tough/brittletransitions.20 AnnexE(informative)Influenceofspecimenthickness.21 Bibliography23 ENISO66032:2000
21、iv Foreword ISO(theInternationalOrganizationforStandardization)isaworldwidefederationofnationalstandardsbodies(ISO memberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughISOtechnical committees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeenestablishedh
22、as therighttoberepresentedonthatcommittee.Internationalorganizations,governmentalandnon-governmental,in liaisonwithISO,alsotakepartinthework.ISOcollaboratescloselywiththeInternationalElectrotechnical Commission(IEC)onallmattersofelectrotechnicalstandardization. InternationalStandardsaredraftedinacco
23、rdancewiththerulesgivenintheISO/IECDirectives,Part3. DraftInternationalStandardsadoptedbythetechnicalcommitteesarecirculatedtothememberbodiesforvoting. PublicationasanInternationalStandardrequiresapprovalbyatleast75%ofthememberbodiescastingavote. Attentionisdrawntothepossibilitythatsomeoftheelements
24、ofthispartofISO6603maybethesubjectofpatent rights.ISOshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights. InternationalStandardISO6603-2waspreparedbyTechnicalCommitteeISO/TC61,Plastics,Subcommittee SC2,Mechanicalproperties. Thissecondeditioncancelsandreplacesthefirstedition(ISO6603-2:198
25、9),whichhasbeentechnicallyrevised. ISO6603consistsofthefollowingparts,underthegeneraltitlePlasticsDeterminationofpunctureimpact behaviourofrigidplastics: Part1:Non-instrumentedimpacttesting Part2:Instrumentedimpacttesting AnnexesAtoEofthispartofISO6603areforinformationonly. ENISO66032:2000 1 Plastic
26、sDeterminationofpunctureimpactbehaviourofrigid plastics Part2: Instrumentedimpacttesting 1 Scope ThispartofISO6603specifiesatestmethodforthedeterminationofpunctureimpactpropertiesofrigidplastics,in theformofflatspecimens,usinginstrumentsformeasuringforceanddeflection.Itisapplicableifaforce-deflectio
27、n orforce-timediagram,recordedatnominallyconstantstrikervelocity,isnecessaryfordetailedcharacterizationof theimpactbehaviour. ISO6603-1canbeusedifitissufficienttocharacterizetheimpactbehaviourofplasticsbyathresholdvalueof impact-failureenergybasedonmanytestspecimens. ItisnotthepurposeofthispartofISO
28、6603togiveaninterpretationofthemechanismoccurringonevery particularpointoftheforce-deflectiondiagram.Theseinterpretationsareataskforscientificresearch. NOTE Seealsoclause1ofISO6603-1:2000. 2 Normativereferences Thefollowingnormativedocumentscontainprovisionswhich,throughreferenceinthistext,constitut
29、eprovisionsof thispartofISO6603.Fordatedreferences,subsequentamendmentsto,orrevisionsof,anyofthesepublications donotapply.However,partiestoagreementsbasedonthispartofISO6603areencouragedtoinvestigatethe possibilityofapplyingthemostrecenteditionsofthenormativedocumentsindicatedbelow.Forundated refere
30、nces,thelatesteditionofthenormativedocumentreferredtoapplies.MembersofISOandIECmaintain registersofcurrentlyvalidInternationalStandards. ISO2602:1980,StatisticalinterpretationoftestresultsEstimationofthemeanConfidenceinterval. ISO6603-1:2000,PlasticsDeterminationofpunctureimpactbehaviourofrigidplast
31、icsPart1:Non- instrumentedimpacttesting. 3 Termsanddefinitions ForthepurposesofthispartofISO6603,thefollowingtermsanddefinitionsapply. 3.1 impactvelocity v 0 velocityofthestrikerrelativetothesupportatthemomentofimpact NOTE Impactvelocityisexpressedinmetrespersecond(m/s). ENISO66032:20002 3.2 force F
32、 forceexertedbythestrikeronthetestspecimeninthedirectionofimpact NOTE Forceisexpressedinnewtons(N). 3.3 deflection l relativedisplacementbetweenthestrikerandthespecimensupport,startingfromthefirstcontactbetweenthe strikerandthetestspecimen NOTE Deflectionisexpressedinmillimetres(mm). 3.4 energy E en
33、ergyexpendedindeformingandpenetratingthetestspecimenuptoadeflectionl NOTE1 Energyisexpressedinjoules(J). NOTE2 Energyismeasuredastheintegraloftheforce-deflectioncurvestartingfromthepointofimpactuptoadeflectionl. 3.5 maximumforce F M maximumforceoccurringduringthetest SeeFigures1to4. NOTE Maximumforc
34、eisexpressedinnewtons(N). 3.6 deflectionatmaximumforce l M deflectionthatoccursatmaximumforceF M SeeFigures1to4. NOTE Deflectionatmaximumforceisexpressedinmillimetres(mm). 3.7 energytomaximumforce E M energyexpendeduptothedeflectionl M atmaximumforce SeeFigures1to4. NOTE Energytomaximumforceisexpres
35、sedinjoules(J). 3.8 puncturedeflection l P deflectionatwhichtheforcehasdroppedtohalfthemaximumforceF M SeeFigures1to4andnoteto3.9. NOTE Puncturedeflectionisexpressedinmillimetres(mm). ENISO66032:2000 3 3.9 punctureenergy E P energyexpendeduptothepuncturedeflectionl P SeeFigures1to4andnote2. NOTE1 Pu
36、nctureenergyisexpressedinjoules(J). NOTE2 Whentestingtoughmaterials,atransducermountedatsomedistancefromtheimpactingtipmayrecordfrictional forceactingbetweenthecylindricalpartofthestrikerandthepuncturedmaterial.Thecorrespondingfrictionalenergyshallnot beincludedinthepunctureenergy,which,therefore,is
37、restrictedtothatdeflection,atwhichtheforcedropstohalfthe maximumforceF M . 3.10 impactfailure mechanicalbehaviourofthematerialundertestwhichmaybeeitheroneofthefollowingtypes(seenote): a) YD yielding(zeroslopeatmaximumforce)followedbydeepdrawing b) YS yielding(zeroslopeatmaximumforce)followedby(atlea
38、stpartially)stablecracking c) YU yielding(zeroslopeatmaximumforce)followedbyunstablecracking d) NY noyielding SeeFigures1to4. NOTE ComparisonofFigures2and3showspuncturedeflectionl P andpunctureenergyE P areidenticalforthefailure typesYSandYU.AsshowninFigure4,identicalvaluesatmaximumandatpuncturearef
39、oundforthedeflectionaswellasthe energyinthecaseoffailuretypeYU.ForcomplexbehaviourseeannexA. Figure1Exampleofforce-deflectiondiagramforfailurebyyielding(zeroslopeatmaximumforce) followedbydeepdrawing,andtypicalappearanceofspecimensaftertesting(withlubrication) ENISO66032:20004 Figure2Exampleofforce-
40、deflectiondiagramforfailurebyyielding(zeroslopeatmaximumforce) followedbystablecrackgrowth,andtypicalappearanceofspecimensaftertesting(withlubrication) NOTE Naturalvibrationoftheforcedetectorcanbeseenafterunstablecracking(strikerandloadcell). Figure3Exampleofforce-deflectiondiagramforfailurebyyieldi
41、ng(zeroslopeatmaximumforce) followedbyunstablecrackgrowth,andtypicalappearanceofspecimensaftertesting(withlubrication) ENISO66032:2000 5 Figure4Exampleofforce-deflectiondiagramforfailurewithoutyieldingfollowedbyunstablecrack growth,andtypicalappearanceofspecimensaftertesting(withlubrication) 4Princi
42、ple Thetestspecimenispuncturedatitscentreusingalubricatedstriker,perpendicularlytothetest-specimensurface andatanominallyuniformvelocity.Theresultingforce-deflectionorforce-timediagramisrecordedelectronically. Thetestspecimenmaybeclampedinpositionduringthetest. Theforce-deflectiondiagramobtainedinth
43、esetestsrecordstheimpactbehaviourofthespecimenfromwhich severalfeaturesofthebehaviourofthematerialmaybeinferred. 5 Apparatus 5.1 Testingdevice,consistingofthefollowingessentialcomponents: energycarrier,whichmaybeinertial-masstypeorhydraulictype(see5.1.1); striker,whichshallbelubricated; specimensupp
44、ortwitharecommendedclampingdevice. Thetestdeviceshallpermitthetestspecimentobepuncturedatitscentre,perpendiculartoitssurfaceata nominallyconstantvelocity.Theforceexertedonthetestspecimeninthedirectionofimpactandthedeflection fromthecentreofthetestspecimeninthedirectionofimpactshallbederivableormeasu
45、rable(seeFigure5). 5.1.1 Energycarrier,withapreferredimpactvelocityv 0 of(4,4 0,2)m/s(see3.1andnoteto3.1).Toavoid results,whichcannotbecomparedduetotheviscoelasticbehaviourofthematerialunderimpact,thedecreaseof velocityduringthetestshallnotbegreaterthan20%. NOTE Forbrittlematerials,animpactvelocityo
46、f1m/smaybefoundtobemoreappropriatebecauseitreducesthelevelof vibrationandnoiseandimprovesthequalityoftheforce-deflectiondiagram(seeannexA). 5.1.1.1 Hydraulictype,consistingofahigh-speedtestingmachinewithsuitableattachments. ENISO66032:20006 Anydeviationofthevelocityofthestrikerrelativetothesupportdu
47、ringimpactshallbecontrolled,forexampleby recordingdeflection-timecurvesandcheckingtheslope. 5.1.1.2 Inertial-masstype,whichmaybeacceleratedgravitationally,spring-orpneumatically-assisted. Suitabledevicesarefalling-dartmachines. Inthecaseofagravitationallyacceleratedmassandneglectingfrictionallosses;
48、theimpactvelocityv 0 corresponds toadropheightH 0 oftheenergycarrierof(1,0 0,1)m. Forallinertial-mass-typeenergycarrierstheimpactvelocityshallbemeasuredbyvelocity-measuringsensors placedclosetothepointofimpact.Themaximumdecreaseofvelocityduringtestresultsintheminimummass, m C ,ofthecarrieraccordingtoequations(1)and(2)(seenote). m C W6E /v 0 2 (1) m C W0,31E forv 0 =4,4m/s (2) where m C isthemassofthee
