BS EN 2591-515-2005 Elements of electrical and optical connection - Test methods - Part 515 Hydrolytic stability《电气和光学连接元件 试验方法 第515部分 液压稳定性》.pdf

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1、BRITISH STANDARD AEROSPACE SERIES BS EN 2591-515:2005 Elements of electrical and optical connection Test methods Part 515: Hydrolytic stability The European Standard EN 2591-515:2005 has the status of a British Standard ICS 49.060 Licensed Copy: Wang Bin, na, Mon May 08 02:51:39 BST 2006, Uncontroll

2、ed Copy, (c) BSIBS EN 2591-515:2005 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 10 February 2006 BSI 10 February 2006 ISBN 0 580 47802 5 National foreword This British Standard is the official English language version of EN 2591-515:2005.

3、 The UK participation in its preparation was entrusted by Technical Committee ACE/6, Aerospace avionic electrical and fibre optic technology, to Subcommittee ACE/6/-/3, Aerospace Connectors, which has the responsibility to: aid enquirers to understand the text; present to the responsible internation

4、al/European committee any enquiries on the interpretation, or proposals for change, and keep UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this subcommittee can be obtained on request to its secret

5、ary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalog

6、ue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document

7、comprises a front cover, an inside front cover, the EN title page, pages 2 to 5 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date Comments Licensed Copy: Wang Bin, na, Mon May 08 02:51:

8、39 BST 2006, Uncontrolled Copy, (c) BSIEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN2591515 October2005 ICS49.060 EnglishVersion AerospaceseriesElementsofelectricalandopticalconnection TestmethodsPart515:Hydrolyticstability SriearospatialeOrganesdeconnexionlectriqueet optiqueMthodesdessaisPartie

9、515:Stabilit hydrolytique LuftundRaumfahrtElektrischeundoptische VerbindungselementePrfverfahrenTeil515: HydrolytischeStabilitt ThisEuropeanStandardwasapprovedbyCENon19September2005. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Stan

10、dardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebyt

11、ra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusast heofficial versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France, Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia

12、,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal, Slovakia, Slovenia,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2005CEN Allrightsofexploitationinany

13、formandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN2591515:2005:E Licensed Copy: Wang Bin, na, Mon May 08 02:51:39 BST 2006, Uncontrolled Copy, (c) BSIEN 2591-515:2005 2 Contents Page Foreword 3 1 Scope .4 2 Normative references .4 3 Preparation of specimens 4 4 Details 4 5 Test meth

14、od.4 6 Requirement 5 7 Final measurement (if applicable)5 Licensed Copy: Wang Bin, na, Mon May 08 02:51:39 BST 2006, Uncontrolled Copy, (c) BSIEN 2591-515:2005 3 Foreword This European Standard (EN 2591-515:2005) has been prepared by the European Association of Aerospace Manufacturers - Standardizat

15、ion (AECMA-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 AECMA, prior to its presentation to CEN. This European Standard shall be

16、 given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by April 2006, and conflicting national standards shall be withdrawn at the latest by April 2006. Attention is drawn to the possibility that some of the elements of this document may

17、 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 implement this European Standard: Austria,

18、 Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Licensed Copy: Wang Bin, na, Mon

19、 May 08 02:51:39 BST 2006, Uncontrolled Copy, (c) BSI4 1 Scope This standard specifies a test method for determination of the relative rate of absorption of water by plastic or composite material. Its derived from ASTM D 570 - 98 and it shall be used together with EN 2591-100. 2 Normative references

20、 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) applies. EN 2591-100, Aerospace series Elements of electr

21、ical and optical connection Test methods Part 100: General. EN 2591-101, Aerospace series Elements of electrical and optical connection Test methods Part 101: Visual examination. ASTM D 570 98, Standard Test Method for Water Absorption of Plastics. 1)3 Preparation of specimens According to technical

22、 specification of product. 4 Details Method: A, B or C. Maximum percentage increased weight and/or soluble material lost. 5 Test method Three different test methods can be used according to the product standard requirement. 5.1 Conditioning The specimen shall be dried in an oven for 24 h at (50 3) C

23、, cooled in a desiccator and immediately weighed to the nearest 0,001 g. 5.2 Method A: Long-term immersion to determine the total water absorbed when substantially saturated The conditioned specimens shall be placed in a container of distilled water maintained at temperature of (23 1) C, and shall r

24、est on edge and be entirely immersed. At the end of 24 h they shall be removed from the water, wiped free of surface moisture with a dry cloth, weighed to the nearest 0,001 g immediately, and then replaced in the water. The weightings shall be repeated at the end of the first week and every two week

25、s thereafter until the increase in weight per two-week period, as shown by three consecutive weightings, 1) Published by: ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA, 19428-2959 USA EN 2591-515:2005 Licensed Copy: Wang Bin, na, Mon May 08 02:51:39 BST 2006, Uncontro

26、lled Copy, (c) BSI5 averages less than 1 % of the total increase in weight or 5 mg, whichever is greater, the specimen shall then be considered substantially saturated. The difference between the substantially saturated weight and the dry weight shall be considered as the water absorbed when substan

27、tially saturated. 5.3 Method B: Two hours boiling water immersion The conditioned specimens shall be placed in a container of boiling distilled water, and shall be supported on edge and be entirely immersed. At the end of (120 4) min, the specimens shall be removed from the water, and cooled in dist

28、illed water maintained at room temperature. After (15 1) min, the specimens shall be removed from the water, one at a time, all surface water removed with a dry cloth, and the specimens weighed to the nearest 0,001 g immediately. 5.4 Method C: One half hour boiling water immersion For all thickness

29、of materials having a relatively high rate of absorption and for thin specimens of other materials which shows a significant weight increase in one half hour, the specimens shall be tested as described in 5.3, except that the time of immersion shall be reduced to (30 1) min. 5.5 Reconditioning The s

30、pecimens, after immersion, shall be weighed, and then reconditioned for the same time and temperature as used in the original drying period. They shall then be cooled in a desiccator and immediately reweighed.If the reconditioned weight is lower than the conditioned weight, the difference shall be c

31、onsidered as water-soluble matter lost during the immersion test. For such materials, the water-absorption value shall be taken as the sum of the increase in weight on immersion and of the weight of the water-soluble matter. 6 Requirement The percentage of water absorbed is the sum of the values cal

32、culated below and shall be in accordance with the values specified in the product standard. 6.1 Percentage increase weight Percentage increase in weight during immersion, calculated to the nearest 0,01 % as follows: Increase in weight, % = weight d Conditioneweight d conditione weight Wet - 100 6.2

33、Percentage soluble material lost Percentage of soluble material lost during immersion, if determined, calculated to the nearest 0,01 % as follows: Soluble matter lost, % = weight d Conditioneweight ned reconditio weight d Conditione - 100 7 Final measurement (if applicable) Visual examination (see E

34、N 2591-101). EN 2591-515:2005 Licensed Copy: Wang Bin, na, Mon May 08 02:51:39 BST 2006, Uncontrolled Copy, (c) BSIBS EN 2591-515:2005 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards. It prese

35、nts the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions British Standards are updated by amendment or revision. Users of British Standards should make sure that they possess the latest amendments or editions. It is the constant aim of BSI

36、 to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover. Tel: +44 (0)20 89

37、96 9000. Fax: +44 (0)20 8996 7400. BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards. Buying standards Orders for all BSI, international and foreign standards publications should be addressed to Custome

38、r Services. Tel: +44 (0)20 8996 9001. Fax: +44 (0)20 8996 7001. Email: ordersbsi-. Standards are also available from the BSI website at http:/www.bsi-. In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as British St

39、andards, unless otherwise requested. Information on standards BSI provides a wide range of information on national, European and international standards through its Library and its Technical Help to Exporters Service. Various BSI electronic information services are also available which give details

40、on all its products and services. Contact the Information Centre. Tel: +44 (0)20 8996 7111. Fax: +44 (0)20 8996 7048. Email: infobsi-. Subscribing members of BSI are kept up to date with standards developments and receive substantial discounts on the purchase price of standards. For details of these

41、 and other benefits contact Membership Administration. Tel: +44 (0)20 8996 7002. Fax: +44 (0)20 8996 7001. Email: membershipbsi-. Information regarding online access to British Standards via British Standards Online can be found at http:/www.bsi- Further information about BSI is available on the BSI

42、 website at http:/www.bsi-. Copyright Copyright subsists in all BSI publications. BSI also holds the copyright, in the UK, of the publications of the international standardization bodies. Except as permitted under the Copyright, Designs and Patents Act 1988 no extract may be reproduced, stored in a

43、retrieval system or transmitted in any form or by any means electronic, photocopying, recording or otherwise without prior written permission from BSI. This does not preclude the free use, in the course of implementing the standard, of necessary details such as symbols, and size, type or grade desig

44、nations. If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained. Details and advice can be obtained from the Copyright & Licensing Manager. Tel: +44 (0)20 8996 7070. Fax: +44 (0)20 8996 7553. Email: copyrightbsi-. Licensed Copy: Wang Bin, na, Mon May 08 02:51:39 BST 2006, Uncontrolled Copy, (c) BSI

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