BS DD CEN TS 15880-2009 Advanced technical ceramics - Ceramic composites - Determination of the fibre matrix interfacial frictional shear stress at room temperature by a single fib.pdf
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1、DD CEN/TS15880:2009ICS 81.060.30NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWDRAFT FOR DEVELOPMENTAdvanced technicalceramics Ceramiccomposites Determination of thefibre/matrix interfacialfrictional shear stressat room temperatureby a single fibre push-out methodThis Draft fo
2、r Developmentwas published under theauthority of the StandardsPolicy and StrategyCommittee on 30 June2009. BSI 2009ISBN 978 0 580 63937 1Amendments/corrigenda issued since publicationDate CommentsDD CEN/TS 15880:2009National forewordThis Draft for Development is the UK implementation of CEN/TS15880:
3、2009.This publication is not to be regarded as a British Standard.It is being issued in the Draft for Development series of publications andis of a provisional nature. It should be applied on this provisional basis,so that information and experience of its practical application can beobtained.Commen
4、ts arising from the use of this Draft for Development arerequested so that UK experience can be reported to the internationalorganization responsible for its conversion to an international standard.A review of this publication will be initiated not later than 3 years afterits publication by the inte
5、rnational organization so that a decision can betaken on its status. Notification of the start of the review period will bemade in an announcement in the appropriate issue of Update Standards.According to the replies received by the end of the review period,the responsible BSI Committee will decide
6、whether to support theconversion into an international Standard, to extend the life of theTechnical Specification or to withdraw it. Comments should be sent tothe Secretary of the responsible BSI Technical Committee at BritishStandards House, 389 Chiswick High Road, London W4 4AL.The UK participatio
7、n in its preparation was entrusted to TechnicalCommittee RPI/13, Advanced technical ceramics.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisionsof a contract. Users are responsible
8、for its correct application.Compliance with a British Standard cannot confer immunityfrom legal obligations.DD CEN/TS 15880:2009TECHNICAL SPECIFICATIONSPCIFICATION TECHNIQUETECHNISCHE SPEZIFIKATIONCEN/TS 15880May 2009ICS 81.060.30English VersionAdvanced technical ceramics - Ceramic composites -Deter
9、mination of the fibre/matrix interfacial frictional shear stressat room temperature by a single fibre push-out methodCramiques techniques avances - Cramiquescomposites - Dtermination de la contrainte de frottementen cisaillement linterface fibre/matrice tempratureambiante - Mthode dextraction dune f
10、ibre par indentationHochleistungskeramik - Keramische Verbundwerkstoffe -Bestimmung der Reibschubspannung an der GrenzflcheFaser/Matrix bei Raumtemperatur mit Hilfe des Einzelfaser-Push-out-VerfahrensThis Technical Specification (CEN/TS) was approved by CEN on 27 March 2009 for provisional applicati
11、on.The period of validity of this CEN/TS is limited initially to three years. After two years the members of CEN will be requested to submit theircomments, particularly on the question whether the CEN/TS can be converted into a European Standard.CEN members are required to announce the existence of
12、this CEN/TS in the same way as for an EN and to make the CEN/TS availablepromptly at national level in an appropriate form. It is permissible to keep conflicting national standards in force (in parallel to the CEN/TS)until the final decision about the possible conversion of the CEN/TS into an EN is
13、reached.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, S
14、pain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: Avenue Marnix 17, B-1000 Brussels 2009 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Memb
15、ers.Ref. No. CEN/TS 15880:2009: EDD CEN/TS 15880:2009CEN/TS 15580:2009 (E) 2 Contents Page Foreword 3 1 Scope 4 2 Normative references 4 3 Terms, definitions and symbols .4 4 Principle 5 5 Significance and use .7 6 Apparatus .7 7 Test specimens 9 8 Test specimen preparation 10 8.1 General . 10 8.2 C
16、hoice of the thickness of the test specimen . 10 9 Test procedure 10 9.1 Measurement of the fibre length, Lf10 9.2 Fibre selection . 10 9.3 Measurements of fibre dimensions 11 9.4 Testing technique . 11 10 Test validity . 11 11 Calculations . 11 12 Test report . 12 Annex A (normative) Determination
17、of the fibre length Lffor wedge and small angle test specimens . 13 A.1 Wedge test specimen . 13 A.2 Small angle test specimen . 13 Bibliography . 15 DD CEN/TS 15880:2009CEN/TS 15880:2009 (E) 3 Foreword This document (CEN/TS 15880:2009) has been prepared by Technical Committee CEN/TC 184 “Advanced t
18、echnical ceramics”, the secretariat of which is held by BSI. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. According to the CEN/CENE
19、LEC Internal Regulations, the national standards organizations of the following countries are bound to announce this Technical Specification: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, L
20、uxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. DD CEN/TS 15880:2009CEN/TS 15580:2009 (E) 4 1 Scope This CEN Technical Specification specifies a single fibre push-out method to determine the fibre-matrix bonding
21、 characteristics of ceramic matrix composite materials at room temperature, by the measurement of the interfacial frictional shear stress. This standard applies to all continuous fibre-reinforced ceramic matrix composites whatever the type of reinforcement: unidirectional (1D), bidirectional (2D) an
22、d tridirectional (xD, with 2 x 3). 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 document (including any amendments)
23、applies. CEN/TR 13233:2007, Advanced technical ceramics - Notations and symbols ISO 3611, Micrometer callipers for external measurements 3 Terms, definitions and symbols For the purposes of this European Technical Specification, the terms, definitions and symbols given in CEN/TR 13233:2007 and the f
24、ollowing apply. 3.1 fibre perimeter p perimeter of the fibre 3.2 length of the fibre Lfembedded length of the fibre which is equal to the local thickness of the test specimen 3.3 compressive force F compressive force on the fibre 3.4 compressive plateau force Fplateaucompressive force on the fibre d
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