BS ISO 3597-4-2003 Textile-glass-reinforced plastics - Determination of mechanical properties on rods made of roving-reinforced resin - Determination of apparent interlaminar shear.pdf

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1、BRITISH STANDARD BS ISO 3597-4:2003 Textile-glass-reinforced plastics Determination of mechanical properties on rods made of roving-reinforced resin Part 4: Determination of apparent interlaminar shear strength ICS 59.100.10; 83.120 BS ISO 3597-4:2003 This British Standard was published under the au

2、thority of the Standards Policy and Strategy Committee on 30 October 2003 BSI 30 October 2003 ISBN 0 580 42834 6 National foreword This British Standard reproduces verbatim ISO 3597-4:2003 and implements it as the UK national standard. It supersedes BS 2782-10 Method 1008D:1996 which is withdrawn. T

3、he UK participation in its preparation was entrusted to Technical Committee PRI/42, Fibre reinforced thermosetting plastics and prepregs, 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 S

4、tandards which implement international publications referred to in this document 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 publica

5、tion does not purport to include all the necessary provisions of a contract. Users 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

6、/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. Summary of pages This document comprises a front cover, an inside front cover, the ISO title pa

7、ge, pages ii to iv, pages 1 to 3 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 Comments Reference number ISO 3597-4:2003(E)INTERNATIONAL STANDARD ISO 3597-4 Second edition 2003-10-0

8、1 Textile-glass-reinforced plastics Determination of mechanical properties on rods made of roving-reinforced resin Part 4: Determination of apparent interlaminar shear strength Plastiques renforcs verre textile Dtermination des proprits mcaniques sur joncs de stratifils Partie 4: Dtermination de la

9、rsistance en cisaillement interlaminaire apparent BSISO35974:2003ii ISO 3597-4:2003(E) I SO 3002 All irhgts seredevr iiiContents Page Foreword iv 1 Scope 1 2 Normative references. 1 3 Apparatus. 1 4 Preparation and conditioning of test specimens 1 5 Procedure. 2 6 Expression of results 3 7 Precision

10、 3 8 Test report 3 BSISO35974:2003iiiISO 3597-4:2003(E) vi I SO 3002 All irhgts seredevrForeword 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

11、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

12、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 2. The main task of technical committees is to prepare International St

13、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

14、of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 3597-4 was prepared by Technical Committee ISO/TC 61, Plastics, Subcommittee SC 13, Composites and reinforcement fibres. This second edition cancels and replaces

15、 the first edition (ISO 3597-4:1993), which has been technically revised. ISO 3597 consists of the following parts, under the general title Textile-glass-reinforced plastics Determination of mechanical properties on rods made of roving-reinforced resin: Part 1: General considerations and preparation

16、 of rods Part 2: Determination of flexural strength Part 3: Determination of compressive strength Part 4: Determination of apparent interlaminar shear strength BSISO35974:2003ivINTENRATIONAL TSANDADR IS-7953 O4:(3002E)I SO 3002 All irhgts seredevr 1Textile-glass-reinforced plastics Determination of

17、mechanical properties on rods made of roving-reinforced resin Part 4: Determination of apparent interlaminar shear strength 1 Scope This part of ISO 3597 specifies a method for determining the apparent interlaminar shear strength of composite rods of circular cross-section made of roving-reinforced

18、resin. The test may be carried out on “as-moulded” rods, or on rods that have been pretreated by immersion in boiling water (or another medium) for a specified time. The test is intended for inspection and quality control of rovings or for evaluating their suitability for use in a resin system. The

19、results obtained are not intended for the generation of design data. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced do

20、cument (including any amendments) applies. ISO 3597-1, Textile-glass-reinforced plastics Determination of mechanical properties on rods made of roving-reinforced resin Part 1: General considerations and preparation of rods ISO 14125, Fibre-reinforced plastic composites Determination of flexural prop

21、erties 3 Apparatus 3.1 Flexural-testing apparatus, as specified in ISO 14125, with the following additional characteristics: 3.1.1 The load applicator shall be a steel rod waisted in the middle to ensure a distribution of stresses. A load applicator suitable for a 6-mm-diameter test specimen is show

22、n in Figure 1. It is important that the radius R of the waist is not more than 0,25 mm larger than the actual (measured) radius of the test specimen. 3.1.2 The span between the supports shall be 5 times the diameter of the test specimen. 3.2 Micrometer or vernier gauge, capable of measuring to the n

23、earest 0,1 mm. 4 Preparation and conditioning of test specimens Prepare and condition a given number of specimens in accordance with the method given in ISO 3597-1. For each type of test (“as-moulded” or pretreated), the minimum required number of specimens is eight. If specific statistical limits a

24、re agreed between interested parties, additional specimens may be tested to permit statistical analysis of the results. The required specimen length is 8 times its diameter, i.e. 48 mm for a rod of diameter 6 mm. BSISO35974:20031ISO 3597-4:2003(E) 2 I SO 3002 All irhgts seredevrDimensions in millime

25、tres NOTE When specimens with a different diameter are tested, a load applicator of different dimensions needs to be used. Figure 1 Example of load applicator for testing specimens of diameter 6 mm 5 Procedure 5.1 Before carrying out the interlaminar-shear test, measure the diameter of each test spe

26、cimen with a micrometer or vernier gauge (3.2) to the nearest 0,1 mm at two points around the circumference located 90 apart at the centre of the specimen. Use the average of these two measurements in the calculation of the results. 5.2 Carry out the interlaminar-shear test on the specimens in accor

27、dance with ISO 14125, modified as specified in 3.1, in the same standard laboratory atmosphere as that used for specimen conditioning. The speed of the load applicator shall be 1 mm/min. Continue the test until the specimen fails. Record the maximum force, in newtons, that occurred during the test.

28、The person requiring the test may require that the mode of failure be recorded (see Figure 2). a) Type X (delamination) b) Type Y (splitting) c) Type Z (flexural deformation) aTop view. Figure 2 Acceptable and unacceptable failure modes (Only Type X is acceptable) 5.3 Check that a type X failure mod

29、e is obtained with each specimen. For other failure modes, repeat the test on further specimens. Continue testing until at least five valid results are obtained (see Clause 4). If five valid results are not obtained, prepare and test a further set of specimens. If this second set results in similar

30、difficulties, record this situation in the test report. BSISO35974:20032ISO 3597-4:2003(E) I SO 3002 All irhgts seredevr 36 Expression of results For each test specimen, calculate the apparent interlaminar-shear strength , expressed in megapascals, using the equation: 2 8 F d = 3where F is the break

31、ing force, in newtons; d is the diameter, in millimetres, of the test specimen. 7 Precision The precision of this test method is not known because inter-laboratory data are not available. When inter-laboratory data are obtained, a precision statement will be added at the following revision. 8 Test r

32、eport The test report shall include the following information: a) a reference to this part of ISO 3597; b) all information necessary for complete identification of the roving tested; c) all information necessary for complete identification of the resin used; d) the diameter of the mould used to prep

33、are the test rods; e) whether a release agent was used and, if so, details of the agent used; f) the curing and post-curing conditions; g) the test atmosphere; h) the test results: 1) for “as-moulded” specimens, the glass content, diameter, apparent interlaminar-shear strength and, if required, mode

34、 of failure of each specimen tested and (except for the mode of failure) the average value; 2) if testing was also carried out after pretreatment: the medium used; the length of the pretreatment; the individual and average values of the flexural strength after pretreatment. BSISO35974:20033BS ISO 35

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