1、BRITISH STANDARD BS EN ISO 180:200Plastics Determination of Izod impact strengthICS 83.080.01nullnull nullnullnullnullnullnullnull nullnullnullnullnullnullnull nullnullnull nullnullnullnullnullnullnullnullnullnull nullnullnullnullnullnull nullnull nullnullnullnullnullnullnullnullnull nullnull nullnu
2、llnullnullnullnullnullnullnull nullnullnull+A :201320National forewordThis British Standard is the UK implementation of EN ISO 180:2000+A2:2013. It is identical to ISO 180:2000, incorporating amendments 1:2006 and 2:2013. It supersedes BS EN ISO 180:2001, which is withdrawn.The start and finish of t
3、ext introduced or altered by amendment is indicated in the text by tags. Tags indicating changes to ISO text carry the number of the ISO amendment. For example, text altered by ISO amendment 1 is indicated by !“.The UK participation in its preparation was entrusted to Technical Committee PRI/21, Tes
4、ting of plastics.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.Compliance with a British Standard cannot conf
5、er immunity from legal obligations.BS EN ISO 180:2000+A2:2013This 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 March 2006 The British Standards
6、Institution 2013. Published by BSI Standards Limited 2013.Amendments/corrigenda issued since publicationDate Comments 30 March 2007 See national foreword30 June 2013 Implementation of ISO amendment 2:2013 with CEN endorsement A2:2013 and alignment of BSI and CEN publication datesISBN 978 0 580 77077
7、 7EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN ISO 180ICS 08.008.01English versionPlastics - Determination of Izod impact strength (ISO 180:2000)Plastiques - Dtermination de la rsistance au choc Izod(ISO 180:2000)Kunststoff - Bestimmung der Izod-Schlagzhigkeit (ISO180:2000)This European Standar
8、d was approved by CEN on 3 December 2000.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such
9、 nationalstandards may be obtained on application to the Management Centre or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and no
10、tified to the Management Centre has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and
11、United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2000 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN ISO 180:2000
12、 E:200 +A0 2April 2013ForewordThe text of the International Standard ISO 180:2000 has been preparedbyTechnicalCommittee ISO/TC 61 “Plastics“ in collaboration with Technical CommitteeCEN/TC 249“Plastics“, the secretariat of which is held by IBN.ThisEuropean Standard supersedes EN ISO 180:1996.ThisEur
13、opean Standard shall be given the status of a national standard, either bypublication of an identical text or by endorsement, at the latest by June 2001, andconflicting national standards shall be withdrawn at the latest by June 2001.According to the CEN/CENELEC Internal Regulations, the national st
14、andardsorganizations of the following countries are bound to implement thisEuropeanStandard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany,Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain,Sweden, Switzerland and the United Kingdom.Endorsement no
15、ticeThe textofthe International Standard ISO 180:2000 was approved by CEN as aEuropean Standard without anymodification.NOTE: Normative references to International Standards are listed in annex ZA(normative).This document (EN ISO 180:2000/A1:2006) has been prepared by Technical Committee ISO/TC 61 “
16、Plastics“ in collaboration with Technical Committee CEN/TC249 “Plastics“, the secretariat of which is held by IBN.This European Standard shall be given the status of a national standard, either bypublication of an identical text or by endorsement, at the latest by June 2007, and conflicting national
17、 standards shall be withdrawn at the latest by June 2007. According to the CEN/CENELEC Internal Regulations, the national standardsorganizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland,France, Germa
18、ny, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia,Slovenia, Spain, Sweden, Switzerland and United Kingdom. Endorsement noticeForeword to amendment A1 _The text of ISO 180:2000/Amd1:2006 has been approved by CE
19、N asEN ISO 180:2000/A1:2006 without any modifications. EN BS EN ISO 180:200 +A2:2013 ISO 180:2000+A2:2013 (E)0Foreword to amendment A2 This document (EN ISO 180:2000/A2:2013) has been prepared by Technical Committee ISO/TC 61 “Plastics“ in collaboration with Technical Committee CEN/TC 249 “Plastics”
20、 the secretariat of which is held by NBN. This Amendment to the European Standard EN ISO 180:2000 shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by October 2013, and conflicting national standards shall be withdrawn at th
21、e latest by October 2013. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. According to the CEN-CENELEC Internal Regulations, the natio
22、nal standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lith
23、uania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Endorsement notice The text of ISO 180:2000/Amd 2:2013 has been approved by CEN as EN ISO 180:2000/A2:2013 without any modification. EN BS EN ISO 1
24、80:200 +A2:2013 ISO 180:2000+A2:2013 (E)0iiiContents PageForeword.iv1Scope12Normativereferences23Termsanddefinitions.24Principle35Apparatus.36Testspecimens37Procedure.78Calculationandexpressionofresults.9Precision.810 Testreport99BS EN ISO 180:2000+A2:2013 ISO 180:2000+A2:2013 (E)ivForewordISO(theIn
25、ternationalOrganizationforStandardization)isaworldwidefederationofnationalstandardsbodies(ISOmember bodies). Theworkofpreparing InternationalStandards is normallycarried outthrough ISO technicalcommittees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeenestablishedhastherighttober
26、epresentedonthatcommittee.Internationalorganizations,governmentalandnon-governmental,inliaison withISO,alsotakepartinthe work. ISOcollaborates closelywiththe International ElectrotechnicalCommission(IEC)onallmattersofelectrotechnicalstandardization.InternationalStandardsaredraftedinaccordancewiththe
27、rulesgivenintheISO/IECDirectives,Part3.DraftInternationalStandardsadoptedbythetechnicalcommitteesarecirculatedtothememberbodiesforvoting.PublicationasanInternationalStandardrequiresapprovalbyatleast75%ofthememberbodiescastingavote.AttentionisdrawntothepossibilitythatsomeoftheelementsofthisInternatio
28、nalStandardmaybethesubjectofpatentrights.ISOshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights.International StandardISO180 was prepared byTechnical Committee ISO/TC61, Plastics ,Subcommittee SC2,Mechanicalproperties.Thisthirdeditioncancelsandreplacesthesecondedition(ISO 180:1993),which
29、hasbeentechnicallyrevised.BS EN ISO 180:2000+A2:2013 ISO 180:2000+A2:2013 (E)1PlasticsDeterminationofIzodimpactstrength1Scope1.1 This International Standardspecifies amethodfor determiningthe Izod impactstrength of plastics underdefined conditions.Anumber of different typesofspecimen and testconfigu
30、rations aredefined. Different testparametersarespecifiedaccordingtothetypeofmaterial,thetypeoftestspecimenandthetypeofnotch.1.2 Themethodisusedtoinvestigatethebehaviourofspecifiedtypesofspecimenundertheimpactconditionsdefined andfor estimating thebrittlenessortoughnessofspecimens within the limitati
31、ons inherent in the testconditions.1.3 Themethodissuitableforusewiththefollowingrangeofmaterials:null rigid thermoplasticmoulding andextrusionmaterials,inc ludingfilled and reinforced compounds in addition tounfilledtypes;rigidthermoplasticssheets;null rigid thermosettingmoulding materials,including
32、 filled andreinforcedcompounds;rigidthermosettingsheets,includinglaminates;null fibre-reinforcedthermosettingand thermoplastic composites inco rporating unidirectional or non-unidirectionalreinforcements such as mat, wovenfabrics, wovenrovings,choppedstrands,combinationand hybridreinforcements,rovin
33、gsandmilledfibresandsheetmadefrompre-impregnatedmaterials(prepregs);null thermotropicliquid-crystalpolymers.1.4 Themethodis not normallysuitablefor usewithrigidcellular materials andsandwichstructurescontainingcellular material. Also,notchedspecimens arenot normallyusedfor long-fibre-reinforced comp
34、osites orthermotropicliquid-crystalpolymers.1.5 Themethod is suitedtothe useofspecimens whichmay be either moulded to thechosen dimensions,machined from the central portion of astandardmultipurposetestspecimen (see ISO3167) or machinedfromfinishedorsemifinishedproductssuchasmouldings,laminatesandext
35、rudedorcastsheet.1.6 Themethodspecifiespreferreddimensionsforthetestspecimen.Testswhicharecarriedoutonspecimensofdifferentdimensionsorwithdifferentnotches,orspecimenswhicharepreparedunderdifferentconditions,mayproduceresultswhicharenotcomparable.Otherfactors,suchastheenergycapacityoftheapparatus,its
36、impactvelocityand theconditioning of the specimens canalsoinfluencethe results. Consequently, when comparativedataarerequired,thesefactorsmustbecarefullycontrolledandrecorded.1.7 Themethod should not be used as asource of data fordesign calculations.Information on thetypicalbehaviourofamaterialcanbe
37、obtained,however,bytestingatdifferenttemperatures,byvaryingthenotchradiusand/orthethicknessandbytestingspecimenspreparedunderdifferentconditions.BS EN ISO 180:2000+A2:2013 ISO 180:2000+A2:2013 (E)22NormativereferencesThefollowingnormativedocumentscontainprovisionswhich,throughreferenceinthistext,con
38、stituteprovisionsofthisInternationalStandard. Fordated references,subsequent amendments to, or revisions of,any of thesepublicationsdonotapply.However, partiestoagreementsbasedonthisInternationalStandardareencouragedtoinvestigate thepossibilityofapplyingthe most recent editions of the normative docu
39、ments indicated below. Forundated references,the latest edition of the normative document referredtoapplies.MembersofISO and IECmaintainregistersofcurrentlyvalidInternationalStandards.ISO291 Plasticsnull Standardatmospheresforcondition ingandtesting .ISO293,Plasticsnull Compressionmouldingtestsp eci
40、mensofthermoplasticmaterials.ISO294-1,Plastics null Injection moulding of test specimens of thermoplasticmaterials null Part1: Generalprinciples,andmouldingofmultipurpos eandbartestspecimens.ISO295:1991,Plasticsnull Compressionmouldingoftestspecimensofthermosettingmaterials.ISO2602, Statisticalinter
41、pretationoftestresultsnull Estimationofthemean null Confidenceinterval.ISO2818, Plasticsnull Preparationoftestspecimensbymachining.ISO3167, Plasticsnull Multipurposetestspecimens.ISO10724-1,Plasticsnull Injectionmouldingoftestspecimensofthermosettingpowdermouldingcompounds(PMCs) null Part1:Generalpr
42、inciplesandmouldingofmultipurposetestspecimens.ISO13802, Plastics null Verificationofpendulumimpact-testingmachinesnull Charpy,Izodandtensileimpact-testing.3TermsanddefinitionsForthepurposesofthisInternationalStandard,thefollowingtermsanddefinitionsapply.3.1Izodunnotchedimpactstrengtha iUimpactenerg
43、y absorbedinbreaking an unnotched specimen, referredtothe originalcross-sectionalareaofthespecimenNOTE Itisexpressedinkilojoulespersquaremetre(kJ/m 2 ).3.2Izodnotchedimpactstrengtha iNimpactenergy absorbedinbreaking anotched specimen, referredtothe originalcross-sectionalareaofthespecimenatthenotch,
44、withthependulumstrikingthefacecontainingthenotchNOTE Itisexpressedinkilojoulespersquaremetre(kJ/m 2 ).,!“Footnotes deleted! “ISO 1268 (all parts), Fibre-reinforced plastics Methods of producing test plates.BS EN ISO 180:2000+A2:2013 ISO 180:2000+A2:2013 (E)33.3parallelimpactpnull laminar-reinforcedp
45、las ticsnull impactwiththedirectionofblowparalleltotheplaneofreinforcementNOTE ThedirectionoftheblowintheIzodtestisusually“edgewiseparallel”(ep)(seeFigures 1 and 2 ).3.4normalimpactnnull laminar-reinforcedplastics null impactwiththedirectionofblownormaltotheplaneofreinforcementNOTE This kind of impa
46、ct is notusually used with the Izod test,but is indicated forthe sake of completion (seealsoFigures 1 and 2 ).4PrincipleThetestspecimen,supportedasaverticalcantileverbeam,isbrokenbyasingleimpactofastriker,withthelineofimpactafixeddistancefromthespecimenclampand,inthecaseofnotchedspecimens,fromthecen
47、trelineofthenotch(seeFigure2).5Apparatus5.1Testmachine5.1.1 Theprinciples,characteristicsandverificationofsuitabletestmachinesaredetailedinISO13802.5.1.2 Someplasticsaresensitivetoclampingpressure.Whentestingsuchmaterials,ameansof standardizingtheclamping forceshallbeusedand the clamping forceshall
48、be recorded in thetestreport. Theclamping forcecanbecontrolledbyusing acalibrated torque wrench or apneumatic or hydraulic device on theviceclampingscrew.5.2 MicrometersandgaugesMicrometersand gauges capable of measuring the essential dimensions of testspecimens to an accuracy of0,02mmarerequired.Fo
49、rmeasuringthedimension b N of notchedspecimens,themicrometershallbefitted withananvilofwidth2mmto3mmandofsuitableprofiletofittheshapeofthenotch.6Testspecimens6.1 Preparation6.1.1MouldingandextrusioncompoundsSpecimensshallbepreparedinaccordancewiththerelevantmaterialspecification.Whennoneexists,andunlessotherwisespecified,specimensshallbeeitherdirectlycompressionmouldedorinjectionmouldedfromthematerialinaccordancewithISO293,ISO294-1,ISO295or ISO10724-1as appropriate, or machinedinaccordance withISO2818fromsheetthathasbeencompressionorinjectionmouldedfromthecompound.S
