1、AECPiA PRENu2642 96 1012311 0010598 130 Edition approved for publication AECMA STANDARD prEN 2642 NORME AECMA Edition PI AECMA NORM March 1996 PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES (AECMA) Gulledelle 94 - B-1200 BRUXELLES - Tel. (32) 2 775 81 10 - Fax. (32) 2 775 81 11 C7 Cha
2、irman Comments should be sent within six months after the date of publication to ICs : Descriptors ENGLISH VERSION Aerospace series Structural adhesive systems Adhesive film Technical specification Srie arospatiale Systmes dadhsifs structuraux Film dadhsif Spcification technique Luft- und Raumfahrt
3、Strukturelle Klebstoffe Klebfolien Technische Lieferbedingungen This “Aerospace Series“ Prestandard has been drawn up under the responsibility of AECMA (The European Association of Aerospace Industries). It is published on green paper for the needs of AECMA-Members. It has been technically approved
4、by the experts of the concerned Technical Committee following comment by the Member countries. Subsequent to the publication of this Prestandard, the technical content shall not be changed to an extent that interchangeability is affected, physically or functionally, without re-identification of the
5、standard. After examination and signature of the AECMA Standard Checking Centre (NPS) and formal agreement of the Official Services of the Member countries it will be submitted as a draft European Standard to CEN (European Committee for Standardization) for formal vote. 1996-03-29 AECMA Gulledelle 9
6、4 Mr Wright B-1200 BRUXELLES 0 aecma 19: AECMA PREN* 2 O00 I 6 I AECMA PREN*2642 96 D 1OL23Ll 00LObOb 037 = Batch size m2 s 200 Page 9 prEN 2642 : 1996 No. of elementary units Sequence 1 Any unit 7.3.2 Adhesive For inspection and test purposes each batch of adhesive film shall be divided into elemen
7、tary units of 50 m2. The number of elementary units to be taken from a specific batch size for acceptance testing is shown in table 2. Table 2 Sampling plan for acceptance testing of adhesive films 201 to 300 301 to 750 2 First and last unit 3 First, last and one other unit 1) -0r1- 4 I First, last
8、and twoother units 1) I 1251 to 2000 I 5 I First, last and three other units 1) I 2 O00 I 6 I First, last and four other units 1) I 1 ) but non consecutive. 7.4 7.4.1 and shall comply with the properties of the material standard. Testing in the as-received condition The primer shall be tested in acc
9、ordance with the requirements given in column 5 of table 3 7.4.2 table 4 and shall comply with the properties of the material standard. The film adhesive shall be tested in accordance with the requirements given in column 5 of 7.5 The primer/adhesive system shall be tested in accordance with the req
10、uirements given in column 6 of table 5 and shall comply with the properties of the material standard. If one or two constituents (primer or adhesive) is supplied alone the other constituents used shall be tested in accordance with the material standard. Testing in the cured condition 7.6 Sanction Fa
11、ilure to comply with any inspection or test shall be grounds for rejection. 8 Packaging 8.1 Primer 8.1 .I 8.1.2 product during shipment. The primer shall be filled into air tight containers. The individual containers shall be packed into shipping containers capable of protecting the 8.2 Adhesive 8.2
12、.1 The adhesive film shall be covered on at least one side with a suitable release film which shall be chemically neutral and not affect the properties of the adhesive film during curing. The release film shall be easily removable under normal working conditions. AECMA PREN12642 96 LOL23LL 0010607 T
13、73 = Page 10 prEN 2642 : 1996 8.2.2 material to prevent contamination, moisture pick-up and loss of volatiles. Each roll of adhesive shall be packaged individually in sealed bags of a chemically neutral 8.2.3 shipment and storage. The individual packages shall be packed into a shipping container to
14、avoid damage during 8.2.4 Materials requiring cold storage Materials requiring cold storage shall be transported under conditions which do not cause deterioration in properties and shelf life. 9 9.1 9.1.1 a) b) C) d) e) f) 9) h i) 9.1.2 9.2 9.2.2 Marking NOTE : Attention is drawn to statutory regula
15、tions relating to the marking of primers and adhesive films. Primer The individual containers shall be clearly marked with the following information : trade name ; manufacturers name ; manufacturing plant ; batch number ; lot number ; number of containers ; date of manufacturing ; date of expiry ; s
16、torage conditions. The shipping container shall be legibly marked with not less than the information specified in 9.1 .I. Adhesive A durable label shall be attached to each package and roll identifying the following information : trade name ; manufacturers name ; manufacturing plant ; batch number ;
17、 lot and roll numbers ; date of manufacturing ; date of expiry ; storage conditions. The shipping container shall be legibly marked with not less than the information specified in 9.2.1. 1 O Certificate of conformity All material supplied shall be invoked by the appropriate material standard and be
18、accompanied by a certificate of conformity. For acceptance a certified test report should be available containing at least : - - - adhesive film certificate including roll related defect report ; (and/or) adhesive primer certificate ; manufacturers quality control test report including the individua
19、l test results. AECMA PREN*i!b42 9b LOL23LL OOLObOB 90T 1 2 Page 11 prEN 2642 : 1996 3 4 5 With each batch of material released the manufacturer shall issue a certificate of conformity stating that the material meets the requirements of the materials standard and that no change has occurred since th
20、e material was qualified. The following information shall also be provided on the release note or test reports : a) material specification number ; b) manufacturers product code ; c) d) e) batch numbers (adhesive and primer) ; manufacturers quality control test report related to defects ; full labor
21、atory test report including actual sampling plan. Type of inspection or test 1 Density 2 viscosity 3 Solid content 4 Corrosion Inhibitor content 1) 5 Flash point 6 Resin composition by chromatography 7 Resin composition by IR spectroscopy 8 Solvent phase by gas chromatography Table 3 Number of speci
22、mens for Test method qualification testing acceptance testing of each batch according to 7 EN 542 3 3 IS0 2884 3 3 EN 2757 3 3 EN 2757 3 3 - EN 924 3 EN 6040 2) 3 3 3) EN 6042 3 3 3 3 3) Testing of the primer in the as received condition I Decimens I I 2 I 3 1 9 Thickness EN 2781 3 3 31 10 Visual as
23、pect 2) - - i 1) Not relevant to all adhesive systems. 2) To be agreed between the manufacturer and the mandated body designated by AECMA-CERT 3) Per batch of primer. at the time of qualification. Page 12 prEN 2642 : 1996 qualification testing of each batch 3 3 3 Table 4 acceptance testing according
24、 to 7 3 3 3 Testing of the adhesive film in the as received condition 2 3 I I 5 4 Type of inspection or test Mass per unit area Flow 1) Volatile content Resin composition by chromatography 2) Resin composition by IR spectroscopy Curing characteristics by means of DSC Type of carrier 5) Test method E
25、N 3003 EN 2243-7 EN 2558 EN 6040 3) EN 6042 EN 6041 3) 3) 3 3 1) Flow test have to be done at curing temperature. 2) HPLC or GPC. 3) To be agreed between the manufacturer and the mandated body designated by AECMA-CERT at the time of qualification. 4) Per batch of film adhesive. 5) Not relevant to al
26、i adhesive films. AECMA PREN*2hY2 9b LOL23LL OOLOhLO 568 3 4 5 6 Test method Test temperature qualification testing of each batch acceptance testing according to 7 EN 2243-3 23 rt 2 6 3 Page 13 prEN 2642 : 1996 Table 5 Testing of the adhesive system in the cured condition 1 2 Type of inspection or t
27、est OC 1 Lap shear strength I Tmin. EN 2243-1 1 23f2 616 I Tmax. 6 I 6 2 Peel strength Metal to metal I I EN 2243-2 23 tr 2 6 6 I Tmax. 6 3 Peel strength Metal to honeycomb I Tmin. 6 I Tmax. 4 Flatwise tensile strength I Tmin. Metal to honeycomb EN 2243-4 I 23f2 5 Shear stress strain behaviour Tmin.
28、 EN 2243-6 23 f 2 6 - Glass transition temperature AECMA PRENuZb42 b LOL23LL OOLObLL 4T4 2 2.1 Page 14 prEN 2642 : 1996 Evaluation of corrosion behaviour in accordance with EN 2243-5 Salt spray in accordance with - 45d 23 +. 2 6 IS0 9227 90d 23 +. 2 6 180d 23 f 2 6 300d 23 f 2 6 35 f 2 - - - Table 6
29、 Ageing tests 4.1 5 5.1 - Dry heat I Tmax. I 2000 23 f 2 6 Dry heat I Tmax. I 2000 I 23 f 2 I 6 Flatwise tensile strength according to EN 2243-4 - 3 Peel strength according to EN 2243-2 (metal to metal) 6 6.1 7 7.1 8 - 3.1 I Dry heat I Tmax. I 2000 I 23 i 2 I 6 Shear stress and shear strain to EN 22
30、43-6 (95 f 5) 90 relative humidity 70 f 2 1000 I Tmax. I 6 Glass transition point according to EN 6032 (95 f 5) % relative humidity 70 f 2 14d -55t0Tg 6 - - Space outgassing test - - - 6 - ESA PSS 01-702 I 4 I Peel strength according to EN 2243-3 1 AECMA PREN*2642 b L0123LL OOLObL2 330 Page 15 prEN
31、2642 : 1996 I- t E L a .- 3 0- a v) I- .- E .- - U C m ; U C m + v) Il U al m C 0) v) al U U O d 4- .- .- I- CI) t L 3 o m - m 4- .- O i= z - m c E O z .- - - m C E O z .- - s O + F - (um .- E E O0 zz N + mo CC O0 zz 7 - E - m (I: CI) o3 -lu cL 2 - 30 N + O m - t Fi Lo, m e - I- a - 2 +I O m m - Fi
32、O c - 0 C E O z .- - - m t O .- E z - o .- E a O X W 5 - a I- AECMA PRENx2642 96 = LOL23LL OOLObL3 277 Page 16 prEN 2642 : 1996 al - L v) U o) Vl al .I- o) a O c O c U m n al C - I- O I - U O 5 E : v) S O U f O o al cn O .- CI .- 2 3; - - o co I O r O KJ- O (D -.E C mo I- 3 a I O KJ- O (o mi5 C mo Y a I _i L m U c m I- v) m - .- i E al C 5 .- al 5 Yi O v) C .I- E L 2 5 .- S U o) - .- .c 3 al a O v) f m al c L I- + - L 5 al L .I- Y- o) m -a al rn al E o m n al ci 5 r v) v) m cl m E i5 - m .- ci E o) 5 - G a m v) c + Y- O ci .- a, 5
