DIN EN 13421-2006 Plastics - Thermoset moulding compounds - Composites and reinforcement fibres - Preparation of specimens for determining the anisotropy of the properties of comprN.pdf
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1、 DEUTSCHE NORMMay 2006DIN EN 13421 ICS 83.120 Plastics Thermoset moulding compounds Composites and reinforcement fibres Preparation of specimens for determining the anisotropy of the properties of compression moulding composites English version of DIN EN 13421:2006-05 Kunststoffe Duroplast-Formmasse
2、n Verbundwerkstoffe und Verstrkungsfasern Herstellung von Probekrpern zur Bestimmung der Anisotropie der Eigenschaften von verpressten Formmassen Englische Fassung DIN EN 13421:2006-05 Document comprises 10 pages No part of this standard may be reproduced without prior permission of DIN Deutsches In
3、stitut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany, has the exclusive right of sale for German Standards (DIN-Normen). English price group 7 www.din.de www.beuth.de !,nlr“10.06 9757379DIN EN 13421:2006-05 2 National foreword This standard has been prepared by CEN/TC 249 Plasti
4、cs (Secretariat: Belgium). The responsible German body involved in its preparation was the Normenausschuss Kunststoffe (Plastics Standards Committee), Technical Committee FNK-AA 203.1 Rieselfhige Duroplaste und langfaserverstrkte Kunststoffe. The European Standards referred to in clause 2 of the EN
5、have been published as the corresponding DIN EN ISO with the same number. EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 13421February 2006ICS 83.120English VersionPlastics - Thermoset moulding compounds - Composites andreinforcement fibres - Preparation of specimens for determiningthe anisotropy
6、 of the properties of compression mouldingcompositesPlastiques - Compositions de moulage thermodurs -Composites et fibres de renfort - Prparation desprouvettes pour dterminer lanisotropie des propritsdes composites de moulage par compressionKunststoffe - Duroplast-Formmassen - Verbundwerkstoffeund V
7、erstrkungsfasern - Herstellung von Probekrpern zurBestimmung der Anisotropie der Eigenschaften vonverpressten FormmassenThis European Standard was approved by CEN on 30 December 2005.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving t
8、his EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Central Secretariat or to any CEN member.This European Standard exists in three official versions (En
9、glish, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, Cze
10、ch Republic, Denmark, Estonia, Finland, France,Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania,Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN
11、 DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2006 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 13421:2006: EEN 13421:2006 (E) 2 Contents Page Foreword. 3 Introduction 4 1 Sc
12、ope 5 2 Normative references 5 3 Terms and definitions . 5 4 Health and safety. 5 5 Principle 6 6 Plate dimensions . 6 7 Procedure. 6 8 Manufacturing report 6 9 Precision. 6 Bibliography . 8 EN 13421:2006 (E) 3 Foreword This European Standard (EN 13421:2006) has been prepared by Technical Committee
13、CEN/TC 249 “Plastics”, the secretariat of which is held by IBN/BIN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by August 2006, and conflicting national standards shall be withdrawn at the latest
14、 by August 2006. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland,
15、Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EN 13421:2006 (E) 4 Introduction The main advantage of fibre reinforced moulding composite like SMC/BMC and GMT/LFT is their ability to carr
16、y even longer reinforcing fibres to all parts of the mould during compression moulding. This material flow causes fibre orientation in the moulding and as a consequence an anisotropy of the properties. To provide engineers with suitable data for designing new mouldings the knowledge of the anisotrop
17、y received under defined moulding conditions is essential. In practice the mould coverage of those composites is in the range of 25 % to 30 % therefore the necessary test plates for preparing test specimens by machining needs to be manufactured under comparable conditions. For both composites this s
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