ISO INTERNATIONAL STANDARD 18352 First edition 2009-08-15 Carbon-fibre-reinforced plastics - Determination of compression-after- impact properties at a specified impact-energy level Plastiques renforcés de fibres de carbone Determination des proprietes de compression apres impact a un niveau d'energie spécifié Reference number ISO 18352:2009(E) @ ISO 2009 by IHS under lic ted without license from IHS Not for Resale ISO 18352:2009(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The iso Central Secretariat accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by IsO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below COPYRIGHTPROTECTEDDOCUMENT @ ISO2009 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, IsO's member body in the country of the requester. ISO copyright office Case postale 56. CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland IsO2009-All rights reserved I without license from IHS Not for Resale ISO 18352:2009(E) Contents Page Foreword. 1 Scope 2 Normative references 3 Terms and definitions.... 4 Principle. 5 Conditioning of specimens and test environment.... 5.1 Standard conditioning procedure for specimens. 5.2 Environmental test chamber for impact and compression tests 6 Test apparatus 6.1 6.2 Impact facility .. 6.3 Support fixture for specimen.. 6.4 Non-destructive testing instrument. 6.5 Compression-testing machine .. 6.6 Compression-loading fixture... 6.7 Measuring apparatus... 6.8 Strain gauges .. 7 Specimens.... 8 7.1 Dimensions 7.2 Specimen preparation. 9 7.3 Number of specimens .. 10 8 Procedure .... 8.1 Specimen conditioning ... 8.2 Measurement of specimen dimensions. 10 8.3 Impact test... 10 8.4 Non-destructive testing (NDT) 11 8.5 Inspection of specimens.... 11 8.6 Compression test.. 11 9 Validation. 13 10 Calculation of results 14 10.1 CAl strength 14 10.2 CAl modulus ..... 15 10.3 Maximum CAl strain ... 15 10.4 Rounding the results .... 15 10.5 Standard deviation and coefficient of variation ...... 15 11 Test report .... 16 Annex A (normative) Detailed drawings of the components of the compression-loading fixture ...... 17 Bibliography .... CopyrghtInternational Organizaionsadardizaoghtsreserved ii ted withoutlicensefromIHS Not for Resale