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1、BRITISH STANDARD BS EN 1007-2:2002 Advanced technical ceramics Ceramic composites Methods of test for reinforcement Part 2: Determination of linear density The European Standard EN 1007-2:2002 has the status of a British Standard ICS 81.060.30 ? Copyright British Standards Institution Reproduced by
2、IHS under license with BSI - Uncontrolled Copy Document provided by IHS Licensee=Bureau Veritas/5959906001, 11/09/2004 18:49:57 MST Questions or comments about this message: please call the Document Policy Group at 303-397-2295. -,-,- BS 1007-2:2002 This British Standard, having been prepared under
3、the direction of the Materials and Chemicals Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 19 November 2002 BSI 19 November 2002 ISBN 0 580 40794 2 National foreword This British Standard is the official English language ver
4、sion of EN 1007-2:2002. It supersedes DD ENV 1007-2:1994 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee RPI/13, Advanced technical ceramics, which has the responsibility to: A list of organizations represented on this committee can be obtained on req
5、uest to its secretary. Cross-references The British Standards which implement international or European 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 B
6、SI Electronic Catalogue or of British Standards Online. 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 does not of itself confer immunity from legal obligations. aid enquir
7、ers to understand 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. Summary of pages This docum
8、ent comprises a front cover, an inside front cover, the EN title page, pages 2 to 7 and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateComments Copyright British Standards Institution Repro
9、duced by IHS under license with BSI - Uncontrolled Copy Document provided by IHS Licensee=Bureau Veritas/5959906001, 11/09/2004 18:49:57 MST Questions or comments about this message: please call the Document Policy Group at 303-397-2295. -,-,- EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 100
10、7-2 September 2002 ICS 81.060.30Supersedes ENV 1007-2:1993 English version Advanced technical ceramics - Ceramics composites - Methods of test for reinforcement - Part 2: Determination of linear density Cramiques techniques avances - Cramiques composites - Mthodes dessai pour renforcements - Partie
11、2: Dtermination de la masse linique Hochleistungskeramik - Keramische Verbunwerkstoffe - Verfahren zur Prfung der Faserverstrkungen - Teil 2: Bestimmung der Feinheit This European Standard was approved by CEN on 6 July 2002. CEN members are bound to comply with the CEN/CENELEC Internal Regulations w
12、hich stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Management Centre or to any CEN member. This European Sta
13、ndard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the official versions. CEN members are the national stand
14、ards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMI
15、TEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2002 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 1007-2:2002 E Copyright British Standards Institution Reproduced by IHS under license with BSI - Uncontrolled
16、 Copy Document provided by IHS Licensee=Bureau Veritas/5959906001, 11/09/2004 18:49:57 MST Questions or comments about this message: please call the Document Policy Group at 303-397-2295. -,-,- EN 1007-2:2002 (E) 2 Contents page Foreword3 1Scope 4 2Normative references 4 3Principle4 4Terms, definiti
17、ons and symbols.4 5Apparatus and accessories5 6Sampling.5 7Testing atmosphere.5 8Test specimen preparation.5 9Test procedure.5 10Calculation of results 5 11Test report 6 Bibliography7 Copyright British Standards Institution Reproduced by IHS under license with BSI - Uncontrolled Copy Document provid
18、ed by IHS Licensee=Bureau Veritas/5959906001, 11/09/2004 18:49:57 MST Questions or comments about this message: please call the Document Policy Group at 303-397-2295. -,-,- ? EN 1007-2:2002 (E) 3 Foreword This document (EN 1007-2:2002) has been prepared by Technical Committee CEN/TC 184 “Advanced te
19、chnical ceramics“, the secretariat of which is held by BSI. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by March 2003, and conflicting national standards shall be withdrawn at the latest by March
20、 2003. This document supersedes ENV 1007-2:1993. EN 1007 has six parts: EN 1007-1Part 1: Determination of size content. EN 1007-2Part 2: Determination of linear density. EN 1007-3Part 3: Determination of filament diameter and cross-section area. prEN 1007-4Part 4: Determination of tensile properties
21、 of filament at ambient temperature. prEN 1007-5Part 5: Determination of distribution of tensile strength and of tensile strain to failure of filaments within a multifilament tow at ambient temperature. ENV 1007-6Part 6: Determination of tensile properties of filament at high temperature. According
22、to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portug
23、al, Spain, Sweden, Switzerland and the United Kingdom. Copyright British Standards Institution Reproduced by IHS under license with BSI - Uncontrolled Copy Document provided by IHS Licensee=Bureau Veritas/5959906001, 11/09/2004 18:49:57 MST Questions or comments about this message: please call the D
24、ocument Policy Group at 303-397-2295. -,-,- ? EN 1007-2:2002 (E) 4 1 Scope This part of the European Standard specifies the conditions for determination of the linear density (mass per unit length) of ceramic multifilament tows, including among others silicon carbide, silicon nitride, silicon carbon
25、itride, alumino-silicate, alumina and silicon oxide fibres. NOTE 1When the determination of the linear density is carried out on sized multifilament tow, a correction should be made by calculation based on the size content. NOTE 2Carbon fibres are not covered by this European Standard. ISO 1889 shou
26、ld be used for carbon fibres 2 Normative references This European Standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text, and the publications are listed hereafter. For dated references, subs
27、equent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies (including amendments). ENV 13233:1998, Advanced technical ceramics C
28、eramic composites Notations and symbols. EN ISO 291, Plastics - Standard atmospheres for conditioning and testing (ISO 291:1997). EN ISO 1886, Reinforcement fibres - Sampling plans applicable to received batches (ISO 1886:1990). 3 Principle Weighing of a defined and accurately cut length of ceramic
29、multifilament tow. Determination of the linear density in tex on the basis of the mass and length of the test specimen. 4 Terms, definitions and symbols For the purposes of this European Standard, the following terms, definitions and those given in ENV 13233:1998 apply. 4.1 linear density the ratio
30、of the mass to the yarn length, expressed in tex (g/1 000 m) 4.2 elementary unit the smallest commercially available unit of a given product NOTEFor fibre, usually this is a spool. Copyright British Standards Institution Reproduced by IHS under license with BSI - Uncontrolled Copy Document provided
31、by IHS Licensee=Bureau Veritas/5959906001, 11/09/2004 18:49:57 MST Questions or comments about this message: please call the Document Policy Group at 303-397-2295. -,-,- ? EN 1007-2:2002 (E) 5 5 Apparatus and accessories 5.1Cutting device, for cutting test specimens to the required length, to an acc
32、uracy of 1 mm, under required pre-tension. 5.2Balance, with an accuracy of 0,1 mg. 5.3Cotton or plastic gloves. 5.4Oven, capable of being maintained at a temperature of (105 5) C. 5.5Desiccator containing suitable drying agents. 5.6Thermometer. 5.7Hydrometer. 6 Sampling Sampling of multifilament tow
33、s shall be conducted according to EN ISO 1886 to determine the number of elementary units to sample. At least, three samples shall be taken at random from each elementary unit (spools). Two separate test specimens shall be tested for each sample. 7 Testing atmosphere Sampling and testing shall be ca
34、rried out in a standard atmosphere of (23 2) C and (50 5) % relative humidity, in accordance with EN ISO 291. 8 Test specimen preparation Place the ceramic yarn in the cutting device and cut to the defined measured length and then apply a slight pre-tension to straight on the tow. Cut sufficient pie
35、ces per individual measurement until a minimum weighed mass of 1 g is achieved. 9 Test procedure 9.1Dry the specimens for 1,5 h at (105 5) C. Allow the specimens to cool in a desiccator. NOTEThis drying procedure can be omitted for types of multifilament tow that do not absorb moisture from the atmo
36、sphere, by agreement between the interested parties. 9.2Weigh each specimen to the nearest 1 mg. 10 Calculation of results Calculate the linear density using the following formula: 3 10= L m t Copyright British Standards Institution Reproduced by IHS under license with BSI - Uncontrolled Copy Docume
37、nt provided by IHS Licensee=Bureau Veritas/5959906001, 11/09/2004 18:49:57 MST Questions or comments about this message: please call the Document Policy Group at 303-397-2295. -,-,- ? EN 1007-2:2002 (E) 6 where tis the linear density, expressed in (tex); mis the mass of test specimen, expressed in g
38、ram (g); Lis the total length of yarn constituting the test specimen, expressed in metre (m). The linear density of each sample is calculated on the basis of the arithmetic mean of all individual measurements. The linear density of the elementary unit is calculated on the basis of the arithmetic mea
39、n of the values of all samples. 11 Test report The test report shall contain at least the following information: a) the name and address of the testing establishment; b) the date of the test, unique identification of report and of each page, signatory, customer name and address; c) a reference to th
40、is European Standard, i.e. “Determined in accordance with EN 1007-2”; d) the description of the test material : type of fibre, batch number, date of receipt; e) number and length of test specimen; f) the linear density of each test specimen; g) comments about the test and test results. h) a statemen
41、t on temperature and humidity. Copyright British Standards Institution Reproduced by IHS under license with BSI - Uncontrolled Copy Document provided by IHS Licensee=Bureau Veritas/5959906001, 11/09/2004 18:49:57 MST Questions or comments about this message: please call the Document Policy Group at
42、303-397-2295. -,-,- ? EN 1007-2:2002 (E) 7 Bibliography EN 1007-1, Advanced technical ceramics Ceramic composites Methods of test for reinforcement Part 1: Determination of the size content. ISO 1889, Reinforcement yarns - Determination of linear density Copyright British Standards Institution Repro
43、duced by IHS under license with BSI - Uncontrolled Copy Document provided by IHS Licensee=Bureau Veritas/5959906001, 11/09/2004 18:49:57 MST Questions or comments about this message: please call the Document Policy Group at 303-397-2295. -,-,- ? BS EN 1007-2:2002 BSI 389 Chiswick High Road London W4
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