BS EN ISO 604-2003 Plastics - Determination of compressive properties《塑料 压缩性能的测定》.pdf

1、BRITISH STANDARD BS EN ISO 604:2003 Plastics Determination of compressive properties The European Standard EN ISO 604:2003 has the status of a British Standard ICS 83.080.01 BS EN ISO 604:2003 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 7

2、 August 2003 BSI 7 August 2003 ISBN 0 580 42402 2 National foreword This British Standard is the official English language version of EN ISO 604:2003. It is identical with ISO 604:2002. It supersedes BS EN ISO 604:1997 which is withdrawn. The UK participation in its preparation was entrusted to Tech

3、nical Committee PRI/21, Plastics test methods, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this documen

4、t may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Us

5、ers are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for chang

6、e, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN ISO t i t l e p a g e , t h e E N I S O f o r e w o r d p a g e , t h e I S O t i t l e

7、p a g e , p a g e s i i t o i v , p a g e s 1 to 18, the Annex ZA page and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM ENISO604

8、July2003 ICS83.080.01 SupersedesENISO604:1996 Englishversion PlasticsDeterminationofcompressiveproperties(ISO 604:2002) PlastiquesDterminationdespropritsencompression (ISO604:2002) KunststoffeBestimmungvonDruckeigenschaften(ISO 604:2002) ThisEuropeanStandardwasapprovedbyCENon26June2003. CENmembersar

9、eboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. Thi

10、sEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,Cze

11、chRepublic,Denmark,Finland,France,Germany,Greece, Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Slovakia,Spain,Sweden,SwitzerlandandUn ited Kingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart

12、,36B1050Brussels 2003CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.ENISO604:2003EINESO06:4002(3E) 2 Foreword ThetextofISO604:2002hasbeenpreparedbyTechnicalCommitteeISO/TC6“Plastics”ofthe InternationalOrganizationforStandardization(ISO)andhasbeentake

13、noverasENISO 604:2003byTechnicalCommitteeCEN/TC249“Plastics“,thesecretariatofwhichisheldby IBN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationof anidenticaltextorbyendorsement,atthelatestbyJanuary2004,andconflictingnational standardsshallbewithdrawnatthelatestbyJanu

14、ary2004. ThisdocumentsupersedesENISO604:1996. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsof thefollowingcountriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,Czech Republic,Denmark,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy, Luxembourg,M

15、alta,Netherlands,Norway,Portugal,Slovakia,Spain,Sweden,Switzerlandand theUnitedKingdom. Endorsementnotice ThetextofISO604:2002hasbeenapprovedbyCENasENISO604:2003withoutany modifications. NOTENormativereferencestoInternationalStandardsarelistedinAnnexZA(normative). ENISO604:2003 Reference number ISO

16、604:2002(E) OSI 2002INTERNATIONAL STANDARD ISO 604 Third edition 2002-03-01 Plastics Determination of compressive properties Plastiques Dtermination des proprits en compression ENISO604:2003IS:406 O2002(E) lcsid FDParemi ihTs PDF file mac ytnoaie nmt deddebyfepca.se In ccaocnadrw eith Aebods licsnei

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21、 22 1 11 xaF0 947 22 14 + 9 74 E-mail coirypthgiso.c h Web ww.wiso.ch Prnietdi nS wztierland ii ISO 2002 Allr ithgsr ese devrENISO604:2003IS:406 O2002(E) I SO 2002 All irthgs ersedevr iiiContents Foreword.iv 1 Scope 1 2 Normative references2 3 Terms and definitions .2 4 Principle4 5 Apparatus .5 6 T

22、est specimens6 7 Number of test specimens8 8 Conditioning of test specimens .8 9 Test procedure.9 10 Calculation and expression of results.11 11 Precision.13 12 Test report 13 Annex A (normative) Small test specimens .14 Annex B (informative) Limits of buckling .15 Annex C (normative) Compliance cor

23、rection.17 Bibliography18 ENISO604:2003IS:406 O2002(E) iv I SO 2002 All irthgs ersedevr Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out

24、through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO coll

25、aborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 3. The main task of technical committees is to prepare International St

26、andards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements

27、of this International Standard may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 604 was prepared by Technical Committee ISO/TC 61, Plastics, Subcommittee SC 2, Mechanical properties. This third edition cancels and replaces the

28、second edition (ISO 604:1993), which has been technically revised. a method of correcting for curvature at the beginning of the stress/strain curve is given (see 10.2.2); a method of correcting for the compliance of the test machine is given (see annex C). Annexes A and C form a normative part of th

29、is International Standard. Annex B is for information only. ENISO604:2003INTENRATIONAL TSANDADR IS:406 O2002(E)I SO 2002 All irthgs ersedevr 1Plastics Determination of compressive properties 1 Scope This International Standard specifies a method for determining the compressive properties of plastics

30、 under defined conditions. A standard test specimen is defined but its length may be adjusted to prevent buckling under load from affecting the results. A range of test speeds is included. The method is used to investigate the compressive behaviour of the test specimens and for determining the compr

31、essive strength, compressive modulus and other aspects of the compressive stress/strain relationship under the conditions defined. The method applies to the following range of materials: rigid and semi-rigid1thermoplastic moulding and extrusion materials, including compounds filled and reinforced by

32、 e.g. short fibres, small rods, plates or granules in addition to unfilled types; rigid and semi-rigid thermoplastic sheet; rigid and semi-rigid thermoset moulding materials, including filled and reinforced compounds; rigid and semi- rigid thermoset sheet; thermotropic liquid-crystal polymers. In ag

33、reement with ISO 10350-1 and ISO 10350-2, this International Standard applies to fibre-reinforced compounds with fibre lengths u 7,5 mm prior to processing. The method is not normally suitable for use with materials reinforced by textile fibres (see references 2 and 5), fibre-reinforced plastic comp

34、osites and laminates (see 5), rigid cellular materials (see 3) or sandwich structures containing cellular material or rubber (see 4). The method is performed using specimens which may be moulded to the chosen dimensions, machined from the central portion of a standard multipurpose test specimen (see

35、 ISO 3167) or machined from finished or semi- finished products such as mouldings or extruded or cast sheet. The method specifies preferred dimensions for the test specimen. Tests which are carried out on specimens of different dimensions, or on specimens which are prepared under different condition

36、s, may produce results which are not comparable. Other factors, such as the test speed and the conditioning of the specimens, can also influence the results. Consequently, when comparable data are required, these factors must be carefully controlled and recorded. ENISO604:2003IS:406 O2002(E) 2 I SO

37、2002 All irthgs ersedevr 2 Normative references The following normative documents contain provisions which, through reference in this text, constitute provisions of this International Standard. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. H

38、owever, parties to agreements based on this International Standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies. Members of ISO a

39、nd IEC maintain registers of currently valid International Standards. ISO 291:1997, Plastics Standard atmospheres for conditioning and testing ISO 293:1986, Plastics Compression moulding test specimens of thermoplastic materials ISO 294-1:1996, Plastics Injection moulding of test specimens of thermo

40、plastic materials Part 1: General principles, and moulding of multipurpose and bar test specimens ISO 295: 1) , Plastics Compression moulding of test specimens of thermosetting materials ISO 2602:1980, Statistical interpretation of test results Estimation of the mean Confidence interval ISO 2818:199

41、4, Plastics Preparation of test specimens by machining ISO 3167: 2) , Plastics Multipurpose test specimens ISO 5893: 3) , Rubber and plastics test equipment Tensile, flexural and compression types (constant rate of traverse) Specification ISO 10724-1:1998, Plastics Injection moulding of test specime

42、ns of thermosetting powder moulding compounds (PMCs) Part 1: General principles and moulding of multipurpose test specimens 3 Terms and definitions For the purposes of this International Standard, the following terms and definitions apply (see also Figure 1). 3.1 gauge length L 0initial distance bet

43、ween the gauge marks on the central part of the test specimen NOTE It is expressed in millimetres (mm). 3.2 test speed v rate of approach of the plates of the test machine during the test NOTE It is expressed in millimetres per minute (mm/min). 3.3 compressive stress s compressive load, per unit are

44、a of original cross-section, carried by the test specimen NOTE 1 It is expressed in megapascals (MPa). 1) To be published. (Revision of ISO 295:1991) 2) To be published. (Revision of ISO 3167:1993) 3) To be published. (Revision of ISO 5893:1993) ENISO604:2003IS:406 O2002(E) I SO 2002 All irthgs erse

45、devr 3NOTE 2 In compression tests, the stresses and strains are negative. The negative sign, however, is generally omitted. If this generates confusion, e.g. in comparing tensile and compressive properties, the negative sign may be added for the latter. This is unnecessary for the nominal compressiv

46、e strain c . 3.3.1 compressive stress at yield yfirst stress at which an increase in strain (see 3.4) occurs without an increase in stress (see Figure 1, curve a, and note 2 to 3.3) NOTE 1 It is expressed in megapascals (MPa). NOTE 2 It may be less than the maximum attainable stress. 3.3.2 compressi

47、ve strength Mmaximum compressive stress sustained by the test specimen during a compressive test (see Figure 1 and note 2 to 3.3) NOTE It is expressed in megapascals (MPa). 3.3.3 compressive stress at break (rupture) Bcompressive stress at break of the test specimen (see Figure 1 and note 2 to 3.3)

48、NOTE It is expressed in megapascals (MPa). 3.3.4 compressive stress at x % strain xstress at which the strain reaches a specified value x % (see 3.5) NOTE 1 It is expressed in megapascals (MPa). NOTE 2 The compressive stress at x % strain may be measured, e.g., if the stress/strain curve does not exhibit a yield p