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本文(BS EN 4505-2013 Aerospace series Non-metallic materials Textiles Test method Determination of dimensional stability《航空航天系列 非金属材料 织物 试验方法 尺寸稳定性测定》.pdf)为本站会员(jobexamine331)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

BS EN 4505-2013 Aerospace series Non-metallic materials Textiles Test method Determination of dimensional stability《航空航天系列 非金属材料 织物 试验方法 尺寸稳定性测定》.pdf

1、BSI Standards PublicationBS EN 4505:2013Aerospace series Non-metallic materials Textiles Test method Determinationof dimensional stabilityBS EN 4505:2013 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 4505:2013.The UK participation in its preparation was entrus

2、ted to TechnicalCommittee ACE/65, Non-metallic materials for aerospace purposes.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its corre

3、ctapplication. The British Standards Institution 2013. Published by BSI StandardsLimited 2013ISBN 978 0 580 81722 9ICS 49.025.60Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy

4、Committee on 31 July 2013.Amendments issued since publicationDate Text affectedBS EN 4505:2013EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4505 July 2013 ICS 49.025.60 English Version Aerospace series - Non-metallic materials - Textiles - Test method - Determination of dimensional stability

5、Srie arospatiale - Matriaux non-mtalliques - Textiles - Mthode dessai - Dtermination de la stabilit Luft- und Raumfahrt - Nichtmetallische Werkstoffe - Textilien - Prfverfahren - Bestimmung der Manderung This European Standard was approved by CEN on 8 May 2013. CEN members are bound to comply with t

6、he CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Manageme

7、nt Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status

8、 as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta,

9、Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2013 CEN All rights of

10、exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 4505:2013: EBS EN 4505:2013EN 4505:2013 (E) 2 Contents Page Foreword 3 Introduction . 4 1 Scope 4 2 Normative references 4 3 Terms and definitions . 4 4 Health and safety . 4 5 Principle 4 6 Apparatus

11、. 4 7 Reagents . 5 8 Preparation of specimens . 5 9 Procedure . 5 10 Calculation and expression of results . 5 10.1 Calculation of dimensional stability 5 11 Test report 5 BS EN 4505:2013EN 4505:2013 (E) 3 Foreword This document (EN 4505:2013) has been prepared by the Aerospace and Defence Industrie

12、s Association of Europe - Standardization (ASD-STAN). After enquiries and votes carried out in accordance with the rules of this Association, this Standard has received the approval of the National Associations and the Official Services of the member countries of ASD, prior to its presentation to CE

13、N. 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 January 2014, and conflicting national standards shall be withdrawn at the latest by January 2014. Attention is drawn to the possibility that som

14、e 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-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to impl

15、ement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania

16、, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 4505:2013EN 4505:2013 (E) 4 Introduction This standard specifies the determination of dimensional stability of narrow fabrics. 1 Scope This European Standard specifies the procedure for the determination of dimens

17、ional stability of narrow fabrics. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the refer

18、enced document (including any amendments) applies. ISO 139 Textiles Standard atmospheres for conditioning and testing 3 Terms and definitions For the purposes of this standard, the following terms and definitions apply. 3.1 dimensional stability the ability of a fabric to retain its dimensions when

19、immersed in boiling water 4 Health and safety This standard does not necessarily include all health and safety requirements associated with its use. Persons using this standard shall be familiar with normal laboratory/test house practices. It is the responsibility of the user to establish satisfacto

20、ry health and safety practices and to ensure conformity with any European, National or local laws/regulations. 5 Principle The test consists in measuring the changes in length after immersion in boiling water. 6 Apparatus A sufficiently large dish to accommodate the specimen. A plate glass sheet lar

21、ge enough to cover the specimen. BS EN 4505:2013EN 4505:2013 (E) 5 7 Reagents No requirements 8 Preparation of specimens Cut a specimen not less than 450 mm long from the test sample and make a mark approximately 50 mm from each end. 9 Procedure 9.1 With the specimen laid on a flat surface and cover

22、ed with a sheet of plate glass, accurately measure the distance between the marks. 9.2 Lay the specimen flat in boiling water and keep it approximately 25 mm below the water surface using small weights as necessary. 9.3 After 15 minutes in the boiling water remove the specimen. Allow to dry on a fla

23、t surface at room temperature and then condition it according to ISO 139 and maintain this atmosphere until the test has been carried out. 9.4 Repeat the measurement through the plate glass. NOTE The usual convention is to denote extension by an A+ sign and a shrinkage by an A sign. 10 Calculation a

24、nd expression of results 10.1 Calculation of dimensional stability The dimensional stability is calculated in accordance with the following equation: 100221=dddCl where Cl is the percentage change in length; d1 is the final length d2 is the original length. 11 Test report The report shall include th

25、e following information: a) Reference to this European Standard, i.e. EN 4505. b) Identification of sample tested (i.e. lot number, batch number). c) Percentage dimensional change in length and/or width. d) State if dimension has decreased (shrinkage) by means of a minus sign () or increased (extens

26、ion) by means of a plus sign (+). e) Details of any deviation from this test method. This page deliberately left blankThis page deliberately left blankBSI is the national body responsible for preparing British Standards and other standards-related publications, information and services.BSI is incorp

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