1、STD-BSI BS EN 2564-ENGL 1998 9 1624669 0723285 5-59 9 BRITISH STANDARD AEROSPACE SERIES Carbon fibre laminates - Determination of the fibre, resin and void contents * m * The European Standard EN 2564A998 has the status of a British Standard ICs 49.025.40 NO COPYING WITHOUT ES1 PERMISSION EXCEPT AS
2、PERMITTED BY COPYRIGKT LAW BS EN 2564:1998 STDmBSI BS EN 25b4-ENGL 1998 m Lb24bb7 072328b Li75 m BS EN 2664:1998 This British Standard, having been prepared under the direction of the Engineering Sector Board, was published under the authority of the Standards Board and comes into effect on 16 Septe
3、mber 1998 O BSI 19% ISBN O 880 30414 O National foreword This British Standard is the Engiish language version of EN 2564:1998. The UK participation in its prepdon was entrusted to Technical Committee ACWU, Aerospace structural reinforced plastics, which has the responsibility to: - aid enquirem to
4、understand the tee - present to the responsible intemational/European committee any enquiries on the intemretation, or proposals for change, and keep the UK interests - monitor related intemationai and European developments and promuigate informed, them in the UK. A list of organizations represented
5、 on this committee can be obtained on request to its secretar.y Cross-references The British Standards which implement intemationai or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “Intemationai Standards Correspondence Inde
6、x”, or by using the “Find” faciMy of the BSI Standards Elecmnic 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 British Standard does not of itself confer
7、immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 8, an inside back cover and a back cover. Amendments issued since publication AmdNo. ID is the initial mass of the specimen, in grammes is the mass of the sin
8、tered glass crucible, in grammes; is the final total mass of the sintered glass crucible and the residue after acid digestion, in grammes. STD=BSI BS EN 25b4-ENGL 1398 1624667 0723293 625 D Page 7 EN 2564:1998 9.2 Fibre content by volume (Vf) where: Vf Wf pc is the fibre content as a percentage of t
9、he initial volume; is the fibre content as a percentage of the initial mass; is the specimen density, in grammes per cubic centimetre; is the fibre density, in grammes per cubic centimeter, determined to IS0 101 19 or given in the suppliers release report. 9.3 Resin content by mass (Wr) W, = 100 - W
10、f where: W, Wf is the resin content as a percentage of the initial mass; is the fibre content as a percentage of the initial mass. 9.4 Resin content by volume (Vr) v, = (100 - W,) -e Pr where: V, Wf pc fi is the resin content as a percentage of the initial volume; is the fibre content as a percentag
11、e of the initial mass; is the specimen density expressed, in grammes per cubic centimetre; is the density of the cured resin, in grammes per cubic centimetre, determined to IS0 11 83 (method Ai on a cured resin specimen or given in the suppliers release report. STD-BSI BS EN 2564-ENGL 1778 lb29667 0
12、723274 5bL Page 8 EN 2564:1998 9.5 Void content by volume Wo) r 1 where: V, Wf pc pr A is the void content as a percentage of the initial volume; is the fibre content as a percentage of the initial mass; is the specimen density, in grammes per cubic centimetre; is the fibre density, in grammes per c
13、ubic centimetre, determined to IS0 101 19 or given in the suppliers release report; is the density of the cured resin, in grammes per cubic centimetre, determined to IS0 1183 (method A) on a cured resin specimen or given in the suppliers release report. NOTE: The absolute error in the determination
14、of void content is estimated to be f 1 %, due to uncertainties accumulated in the densities. 1 O Designation EXAMPLE: Test method (see 3) I 11 Test report It shall include the following: designation (see 1 O); all data ensuring the traceability of the material (trade mark, identification marking, da
15、te of receipt, batch number, etc.); all information regarding the sampling procedure; specimen dimensions if these differ from 5.1 ; period of conditioning; exposure time at the test atmosphere; the fibre and resin contents by volume and mass and the void content by volume; individual values and ari
16、thmetic means; any incident which may have affected the results. BS EN 25M1998 BSI 389 Chiswick High Road London w4 4AL BSI - British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the inte
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