1、BRITISH STANDARD AEROSPACE SERIESBS EN 2243-1:2005Non-metallic materials Structural adhesives Test method Part 1: Single lap shearThe European Standard EN 2243-1:2005 has the status of a British StandardICS 49.025.50g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g
2、54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 2243-1:2005This British Standard was published under the authority of the Standards Policy and Strategy Committee on 23 January 2006 BSI 23 January 2006ISBN 0 580 47230 2National
3、 forewordThis British Standard is the official English language version of EN 2243-1:2005. The UK participation in its preparation was entrusted by Technical Committee ACE/65, Non-metallic materials for aerospace purposes, to Subcommittee ACE/65/-/3, Structural adhesives, which has the responsibilit
4、y to: A list of organizations represented on this subcommittee can be obtained on request to its secretary.Cross-referencesThe British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “Internati
5、onal Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue 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
6、 Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep UK interests informed; monitor related international and Europ
7、ean developments and promulgate them in the UK.Summary of pagesThis document comprises a front cover, an inside front cover, the EN title page, pages 2 to 9 and a back cover.The BSI copyright notice displayed in this document indicates when the document was last issued.Amendments issued since public
8、ationAmd. No. Date CommentsEUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 2243-1November 2005ICS 49.025.50English VersionAerospace series - Non-metallic materials - Structural adhesives- Test method - Part 1: Single lap shearSrie arospatiale - Matriaux non-mtalliques - Systmedadhsifs structuraux
9、- Mthodes dessai - Partie 1 :Essais de cisaillement dun joint recouvrement simpleLuft- und Raumfahrt - Nichtmetallische Werkstoffe -Strukturelle Klebstoffsysteme - Prfverfahren - Teil 1:Bestimmung der Bindefestigkeit von einschnittigberlappten Klebungen im ZugversuchThis European Standard was approv
10、ed by CEN on 30 September 2005.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationals
11、tandards may be obtained on application to the Central Secretariat or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified t
12、o the Central Secretariat has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Nor
13、way, Poland, Portugal, Slovakia,Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2005 CEN All rights of exploitation in any form and by any
14、means reservedworldwide for CEN national Members.Ref. No. EN 2243-1:2005: E2 Contents Page Foreword 3 1 Scope .4 2 Normative references .4 3 Test samples .4 4 Surface preparation 5 5 Bonding .5 6 Storage of test samples after bonding 5 7 Cutting and preparation of test pieces5 8 Test conditions .6 9
15、 Method of test .6 10 Calculation of results6 11 Test report .7 EN 2243-1:20053 Foreword This European Standard (EN 2243-1:2005) has been prepared by the European Association of Aerospace Manufacturers - Standardization (AECMA-STAN). After enquiries and votes carried out in accordance with the rules
16、 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 given the status of a national standard, either by publication of an identical text
17、 or by endorsement, at the latest by May 2006, and conflicting national standards shall be withdrawn at the latest by May 2006. 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 i
18、dentifying 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, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hu
19、ngary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. EN 2243-1:20054 1 Scope The objective of this standard is to establish the test methods for defining the strength of sui
20、table structural adhesives in metal to metal single lap shear, at ambient and other temperatures. 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
21、 edition of the referenced document (including any amendments) applies. EN 2087, Aerospace series Aluminium alloy AL-P2014A T6 or T62 Clad sheet and strip 0,4 mm a 6 mm.1) EN 2088, Aerospace series Aluminium alloy AL-P2014A T4 or T42 Clad sheet and strip 0,4 mm a 6 mm. 1)EN 2090, Aerospace series Al
22、uminium alloy AL-P2024- T3 Clad sheet and strip 0,3 mm a 6 mm.1)EN 2092, Aerospace series Aluminium alloy AL-P7075- T6 or T62 Clad sheet and strip 0,4 mm a 6 mm. EN 2334, Aerospace series Chromic-sulphuric acid pickle of aluminium and aluminium alloys. EN 2497, Aerospace series Dry abrasive blasting
23、 of titanium and titanium alloys. EN 2540, Aerospace series Steel FE-PM3902 (X7CrNiAl17-7) Air melted Solution treated and precipitation hardened Sheet and strip a 6 mm 1 240 MPa Rm 1 450 MPa.1)EN 2517, Titanium alloy TI-P63 Annealed Sheets, strips and plates a 100 mm Aerospace series. 2)EN 3456, Ae
24、rospace series Titanium alloy TI-P64001 Annealed Sheet and strip, hot rolled a 6 mm.1)EN 3464, Aerospace series Titanium alloy TI-P64001 Annealed Plate 6 mm a 100 mm.1)3 Test samples 3.1 Shape and dimensions The shape and dimensions of the test pieces and the panel out of which the pieces shall be c
25、ut, shall be as given in Figure 1. 3.2 Sheet material (general) Aluminium alloys for use to 150 C, see EN 2088 and EN 2090. 1) Published as AECMA Prestandard at the date of publication of this standard. 2) Published as AECMA Standard at the date of publication of this standard. Inactive for new desi
26、gn. EN 2243-1:20055 3.3 Sheet material (special) For adhesives having a shear strength higher than approximately 45 MPa, aluminium alloys for use up to 150 C can be used instead of the materials given in 3.2, see EN 2092 and EN 2087. 3.4 Sheet material (for test temperature above 150 C) 3.4.1 Corros
27、ion resisting steel FE-PM3902 See EN 2540. 3.4.2 Titanium alloy TI-P63 or TI-P64001 See EN 2517 or EN 3456 and EN 3464. 4 Surface preparation The surface preparation prior to bonding shall conform to EN 2334 and EN 2497. 5 Bonding The application of the adhesive system (adhesive and primer) as appli
28、cable and curing shall be carried out according to the instruction of the adhesive manufacturer or the material standard. 6 Storage of test samples after bonding After curing the sample made with elevated temperature curing adhesives shall be exposed and/or after a storage period of 16 h under the c
29、onditions as given below (unless otherwise specified by the adhesive manufacturer). The sample for room temperature curing adhesives not exposed and/or tested immediately after curing shall also be stored as given below (unless otherwise specified by the adhesive manufacturer). Storage conditions: r
30、oom temperature: (23 2) C relative humidity: (50 5 ) % 7 Cutting and preparation of test pieces The test sample shall be carefully cut into pieces with a suitable tool such as a band saw. The setting and spacing of the teeth and the operational speed shall be such that the frictional heating of the
31、bond will be kept to a minimum. The cutting shall be straight and parallel. For cutting shall be straight and parallel. For cutting corrosion resisting steel and titanium alloy test samples a suitable cutting fluid may be used. EN 2243-1:20056 8 Test conditions 8.1 The test shall be carried out at t
32、he temperatures stated in the relevant material standard. When the test temperature is different from the ambient temperature then the rate of the heating shall be between 6 C to 10 C per minute. The rate of cooling need not be controlled. The application of load for all tests at temperature other t
33、han ambient shall be made immediately after the specimen has been held at the specified test range for 10 min unless a longer term of exposure is required. 8.2 For all test temperature excluding room temperature (23 2) C, temperature control of the test pieces shall be carried out with the aid of a
34、thermocouple to ensure the accuracy of testing temperature and reproducibility of data. The junction of the thermocouple shall be firmly attached to the test piece in immediate contact with the metal in the position shown in Figure 2 and shielded from the heat source. 8.3 The number of test pieces f
35、or each determination shall be as required by the material standard. 8.4 Each test piece shall be identified in order to establish the panel from which it was cut. 9 Method of test 9.1 Tensile testing machine 9.1.1 An approved tensile testing machine shall be used. The failing load of the test piece
36、 shall be within 10 % to 90 % of the upper limit of the selected loading range of the machine. 9.1.2 The test loads shall be recorded within an accuracy of 1 %. 9.2 Method of fixing The ends of the specimen shall be gripped tightly with a good fit in the jaws of the testing machine. The jaws and the
37、 test pieces shall be aligned such that the jaws are directly opposite each other and in such a position that an imaginary straight line will pass through the centre of the bonded area and through the point of fixing. The specimen shall be gripped (50 5) mm from each edge of the lap joint (see also
38、Figure 3). 9.3 Speed rate of loading The rate of loading shall be 2 800 N/min to 5 000 N/min. 10 Calculation of results The test results to be reported shall be calculated as follows: WLFR= EN 2243-1:20057 where R shear strength, in MPa F failing load, in Newtons L length of overload, in millimetres
39、 W width of overlap, in millimetres The dimensions L and W are to be measured before loading with an accuracy of 0,1 mm. 11 Test report The test report shall include the following information: Complete identification of the adhesive system including the type, suppliers code numbers, date of manufact
40、ure, batch number, material standard, etc. Complete identification of the metal used, including actual proof stress in the direction of loading used for the adhesive test. Detailed information about the pre-treatment of the metal prior to bonding. Application and bonding conditions including autocla
41、ve or press bondline pressure, heat-up rate, cure time and temperature, etc. The number of test pieces used. Time exposure conditions and test temperature. The type of testing machine and speed of load. Information about individual test pieces including actual dimensions and overload, sheet thicknes
42、s, load at failure and shear strength. The nature of the failure, including the average estimated percentage of failure in cohesion and/or adhesion both of adhesive and possible adhesive primer. The average, maximum and minimum shear strength values of the test series. Any deviations from this test
43、method shall be described in detail. EN 2243-1:20058 Dimensions in millimetres Key 1 1,6 for aluminium alloy 1,2 for corrosion resisting steel and titanium alloy 2 Grip 3 Discard 4 Direction of rolling 5 Tooling holes as required Figure 1 The width of separate panels prior to bonding, given as appro
44、x. 100, depends upon grip length required for the particular testing machine. The tooling holes should be approx. 2 mm to 4 mm. The direction of rolling of the sheet material shall be parallel to the longitudinal axis of the test pieces. All the edges of the panels which will be within the bonded jo
45、int shall be smooth, without burrs and at right angles to the faces before surface treatment. EN 2243-1:20059 Dimensions in millimetres Figure 2 Thermocouple junction placed on metal within shaded portion of bonded area (6 7) mm. Dimensions in millimetres Figure 3 EN 2243-1:2005BS EN 2243-1:2005BSI3
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