1、ICS 81.060.30Hochleistungskeramik Mechanische Eigenschaften von kera-mischen Verbundwerkstoffen bei hoher Temperatur an Luft beiAtmosphrendruck Bestimmung der BiegefestigkeitEuropean Standard EN 12789 : 2002 has the status of a DIN Standard.A comma is used as the decimal marker.National forewordThis
2、 standard has been prepared by CEN/TC 184 Advanced technical ceramics (Secretariat: United King-dom).The responsible German body involved in its preparation was the Normenausschuss Materialprfung(Materials Testing Standards Committee).AmendmentsDIN V ENV 12789, August 1998 edition, has been supersed
3、ed by the specifications of EN 12789.Previous editionDIN V ENV 12789: 1998-08.National Annex NAStandard referred to(and not included in Normative references and Bibliography)DIN 863-1 Micrometers Standard design external micrometers Concepts, requirements and testingRef. No. DIN EN 12789 : 2003-01En
4、glish price group 09 Sales No. 110905.03DEUTSCHE NORM January 2003EN 12789Continued overleaf.EN comprises 11 pages. No part of this standard may be reproduced without the prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive ri
5、ght of sale for German Standards (DIN-Normen).Advanced technical ceramicsMechanical properties of ceramic composites at hightemperature under air at atmospheric pressureDetermination of flexural strengthEnglish version of DIN EN 12789Supersedes DIN V ENV 12789,August 1998 edition.English versionICS
6、81.060.30 Supersedes ENV 12789 : 1998.Advanced technical ceramicsMechanical properties of ceramic composites at hightemperature under air at atmospheric pressureDetermination of flexural strength 2002. CEN All rights of exploitation in any form and by any meansreserved worldwide for CEN national mem
7、bers.Ref. No. EN 12789 : 2002 EHochleistungskeramik MechanischeEigenschaften von keramischen Ver-bundwerkstoffen bei hoher Tempera-tur an Luft bei Atmosphrendruck Bestimmung der BiegefestigkeitThis European Standard was approved by CEN on 2002-09-07.CEN members are bound to comply with the CEN/CENEL
8、EC Internal Regulationswhich stipulate the conditions for giving this European Standard the status of anational standard without any alteration.Up-to-date lists and bibliographical references concerning such national stand-ards may be obtained on application to the Management Centre or to anyCEN mem
9、ber.The European Standards exist in three official versions (English, French, German).A version in any other language made by translation under the responsibility of aCEN member into its own language and notified to the Management Centre hasthe same status as the official versions.CEN members are th
10、e national standards bodies of Austria, Belgium, the CzechRepublic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy,Luxembourg, Malta, the Netherlands, Norway, Portugal, Spain, Sweden, Switzer-land, and the United Kingdom.EN 12789October 2002Management Centre: rue de Stassart 36,
11、B-1050 BrusselsEuropean Committee for StandardizationComit Europen de NormalisationEuropisches Komitee fr NormungCramiques techniques avances Proprits mcaniques des crami-ques composites haute tempraturesous air pression atmosphrique Dtermination de la rsistance enflexionPage 2EN 12789 : 20022333344445555666667788881011Page 3EN 12789 : 2002Page 4EN 12789 : 2002Page 5EN 12789 : 2002Page 6EN 12789 : 2002Page 7EN 12789 : 2002Page 8EN 12789 : 2002Page 9EN 12789 : 2002Page 10EN 12789 : 2002Page 11EN 12789 : 2002
