ISO INTERNATIONAL STANDARD 20506 First edition 2005-10-01 Fine ceramics (advanced ceramics, advanced technical ceramics)- Determination of the in-plane shear strength of continuous-fibre-reinforced composites at ambient temperature by the losipescu test Ceramiquestechniques-Determination dela resistanceau cisaillementplan des compositesrenforcés defibres continuesa temperatureambianteparI'essaide losipescu Reference number ISO 20506:2005(E) @ISO2005 Copyright Intemational Organization for Standardization Not for Resale ISO20506:2005(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 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 the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. ISO2005 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-1211Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland Copyigh Intematilnal organization for Standardzation @ ISO 2005 - All rights reserved tted without license from IHS Not for Resale ISO20506:2005(E) Contents Page Foreword. 1 Scope 2 Normative references. 3 Terms and definitions. 4 Symbols and designations .... 5 Principle. 6 Interferences 6.1 Test environment. 6.2 Preparationoftestpieces. 6.3 6.4 Clamping forces... 6.5 Friction.. 6.6 Thintestpieces Apparatus 7.1 Testing machines. 7.2 Data acquisition.. 7.3 Dimension-measuring devices. 7.4 Test fixture.... 8 Test piece. 8.1 Test piece geometry. 8.2 Test piece preparation.. 8.2.1 Customary practices 8.2.2 Standard procedures.... 8.2.3 Handling precautions. 8.3 Numberof testpieces .. 6 Precautionary statement.. 10 Testconditions 10.1 Test modes and rates. 10.1.1 Displacement rate.. 10.1.2 Load rate... 11 Procedure 8 11.1 Testpiece dimensions. 11.2 Preparations fortesting .. 8 11.3 Conducting the test... 11.3.1 Mount the test piece in the test fixture. 11.3.2 Begin data acquisition....... 9 11.3.3. Initiate the action of the test machine ...... 11.4 Completion of testing ... 11.5 Post test..... 12 Calculation of results 11 12.1 Shear strength. 11 12.2 Statistics.... 11 13 Test report Annex A (informative)Results of round-robin tests Bibliography ili Copyright intemaltional Oorganizaonsfandardalonghtsreserved lout ficense from IHS Not for Resale ISO20506:2005(E) Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies InternationalElectrotechnicalCommission(lEC)onallmattersofelectrotechnicalstandardization. International Standards are drafted in accordance with the rules given in the ISO/lEC Directives, Part 2. adopted by the technical committees are circulated to the member bodies for voting. Publication as an Interniational 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 of this document may be the subject of patent rights, IsO shall not be held responsible for identifying any or all such patent rights. ISO20506waspreparedbyTechnicalCommitteeISO/TC206,Fineceramics. @ ISO 2005 - All rights reserved Copyright Inten lonalOrganizationforStandardizatior Not for Resale INTERNATIONAL STANDARD ISO20506:2005(E) Fine ceramics (advanced ceramics, advanced technical ceramics) Determination of the in-plane shear strength of continuous-fibre-reinforced composites at ambient temperature by