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本文(ASD-STAN TR 7000-4-2006 Aerospace series Non-metallic materials Rules for the drafting and presentation of material standards Part 4 Plastic transparencies《航空航天系列 非金属材料 材料标准起草和提出规则.pdf)为本站会员(medalangle361)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!

ASD-STAN TR 7000-4-2006 Aerospace series Non-metallic materials Rules for the drafting and presentation of material standards Part 4 Plastic transparencies《航空航天系列 非金属材料 材料标准起草和提出规则.pdf

1、ASD Technical Report Rapport Technique ASD ASD Fachbericht TR 7000-4 Edition 1 May 2006 PUBLISHED BY THE AEROSPACE AND DEFENSE INDUSTRIES ASSOCIATION OF EUROPE - STANDARDIZATIONGulledelle 94 - B-1200 Brussels - Tel. + 32 2 775 8126 - Fax. + 32 2 763 3565 - www.asd-stan.orgICS: Descriptors: ENGLISH V

2、ERSION Aerospace series Non-metallic materials Rules for the drafting and presentation of material standards Part 4: Plastic transparencies Srie arospatiale Matriaux non-mtalliques Rgles pour la prparation et la prsentation des normes de matriaux Partie 4 : Matriaux transparents en plastique Luft- u

3、nd Raumfahrt Nichtmetallische Werkstoffe Regeln fr die Erstellung und die Gestaltung von Werkstoffnormen Teil 4: Verglasung aus Kunststoffen This Technical Report was drawn up by the Non-metallic Material Domain of ASD-STAN. The reason which led to the publication of the document as a Technical Repo

4、rt is explained in the foreword. Edition approved for publication 31 May 2006 Non-metallic Material Domain Copyright 2006 by ASD-STAN TR 7000-4:05-2006 2 Contents Page Foreword2 Introduction .3 1 Scope 3 2 References3 2.1 Normative references 3 2.2 Informative references 3 3 Definitions, symbols and

5、 abbreviations3 4 Rules for drafting and presentation.3 4.1 Title3 4.2 Contents .4 4.3 Clause 0: Onwards 4 4.4 General requirements4 4.4.1 Table 1 General requirements4 4.4.2 Tables 2 to 4 .4 Annex A (normative) Table A1 Characteristic numbers applicable to Table 1: General requirements 5 Annex B (n

6、ormative) Table B1 Characteristic numbers applicable to Tables 2 to 4 Other requirements 6 Annex C (informative) Example .7 Foreword The main task of ASD-STAN is to prepare EN standards. In exceptional circumstances, however, the publication of a Technical Report of one of the following types may be

7、 proposed : - type 1, the subject is still under technical development requiring wider exposure ; - type 2, a Technical Committee has collected data of a different kind from that which is normally published as a European Standard. The Non-metallic Material Domain decided to publish this document in

8、the form of a Technical Report of type 2 in order to facilitate the updating of this document. TR 7000-4:05-2006 3 Introduction This standard is part of the series of EN non-metallic standards for aerospace applications. The general organization of this series is described in EN 4385. This document

9、is a level 2 document as defined in EN 4385. 1 Scope This standard specifies the rules for drafting and presentation of EN aerospace series non-metallic material standards for plastic transparencies for aerospace applications. This standard shall be used in conjunction with TR 7000-1. 2 References 2

10、.1 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 edition of the referenced document (including any amendments) applies. TR 7000-1, Aerospace seri

11、es Non-metallic materials Rules for the drafting and presentation of material standards Part 1: General rules. 1)2.2 Informative references EN 4385, Aerospace series Non-metallic materials General organisation of standardisation Links between types of standards.2)3 Definitions, symbols and abbreviat

12、ions For the purposes of this document, the definitions, symbols and abbreviations given in TR 7000-1 and the following apply. 4 Rules for drafting and presentation NOTE The examples given below are only intended to illustrate the rules, and may not correspond to real standardised EN products. 4.1 T

13、itle See TR 7000-1 and Annex C of this standard. The following are examples of descriptions which shall be used; these examples may be supplemented by other descriptions as required by the relevant Working Group. 1) Published as ASD Technical Report at the date of publication of this standard. 2) Pu

14、blished as ASD Prestandard at the date of publication of this standard. TR 7000-4:05-2006 4 1) Type of plastic polycarbonate acrylic etc. 2) Type of process cast stretched pressed etc. 3) Characteristics craze resistant heat resistant self extinguishing low smoke emission etc. 4.2 Contents See TR 70

15、00-1 and Annex C of this standard. 4.3 Clause 0: Onwards See TR 7000-1 and Annex C of this standard. 4.4 General requirements See TR 7000-1. 4.4.1 Table 1 General requirements The characteristic numbers applicable to Table 1 are given in Annex A of this standard. All of the characteristics given in

16、Table 1 are mandatory and shall be completed in accordance with TR 7000-1 and Annex C of this standard. 4.4.2 Tables 2 to 4 See TR 7000-1 and Annex C of this standard. The characteristic numbers applicable to Tables 2 to 4 are given in Annex B of this standard. TR 7000-4:05-2006 5 Annex A (normative

17、) Table A1 Characteristic numbers applicable to Table 1: General requirements Characteristic number Characteristics 1.001 Material description 1.002 Formulation 1.003 Form and method of production 1.004 Technical specification 1.005 Grade 1.006 Service temperature 1.010 Storage 1.011 Shelf life 1.01

18、3 Processing condition 1.093 Quality assurance 1.094 Designation 1.098 Health and safety 1.999 Notes TR 7000-4:05-2006 6 Annex B (normative) Table B1 Characteristic numbers applicable to Tables 2 to 4 Other requirements Normally used in table(s) Characteristic number Characteristic 2 3 4 104 Composi

19、tion X 109 Flammability X 109 Smoke density X 109 Fume gas components X 110 Dimensional tolerances X 111 Refractive index X 111 Visible light transmission X X 111 Haze X X 111 Optical distortion X 111 Optical defects X X 111 Optical deviation X 111 UV transmission X X 111 Yellowness index X X 114 Wa

20、ter absorption X 301 Density X 303 Linear thermal expansion X 303 Deflection temperature X 303 Vicat softening temperature X 303 Thermal relaxation X 305 Tensile stress X X 305 Tensile strain X X 305 Modulus of elasticity X 305 Deep drawing characteristics X 317 Impact strength X 503 Dry heat X 508

21、Artificial ageing X 508 Natural ageing X 513 Crazing X 513 Crack propagation X TR 7000-4:05-2006 7 Annex C (informative) Example Example C.1 EN xxxxENGLISH VERSION Aerospace series Non-metallic materials Heat and crazing resistant cast acrylic, crosslinked, multi-axially stretched, and low moisture

22、absorption Properties Srie arospatiale Matriaux non-mtalliques Acryliques resistant la chaleur et au fendillement couls, rticuls et tirs multi-axialement avec faible absorption dhumidit Caractristiques Luft-und Raumfahrt Nichtmetallische Werkstoffe Wrmeform- und SpannungsrissbestndigesAcrylglass, ge

23、gossen, vernetzt und multiaxial gereckt, niedrige Wasseraufnahme Eigenschaften TR 7000-4:05-2006 8 Example C.1 (continued) Page 2 EN xxxx Blank page TR 7000-4:05-2006 9 Example C.1 (continued) Page 3 EN xxxx Introduction This standard is part of a series of EN non-metallic materials standards for ae

24、rospace applications. The general organization of this series is described in EN 4385. This standard is a level 3 document as defined in EN 4385. It has been prepared in accordance with TR 7000-4. 1 Scope This standard specifies the requirements relating to heat and crazing resistant, crosslinked, m

25、ulti-axial stretched and low moisture absorption cast acrylic transparencies for aerospace applications. 2 References 2.1 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated

26、references, the latest edition of the referenced document (including any amendments) applies. EN 4243, Aerospace series Cast acrylic sheets Technical specification. 1)EN 4367, Aerospace series Cast acrylic sheets Dimensions. 1)ISO 554, Standard atmospheres for conditioning and/or testing Specificati

27、ons. ISO 2818, Plastics Preparation of test specimens by machining. 2.2 Informative references EN 4385, Aerospace series Non-metallic materials General organisation of standardisation Links between types of standards. 1)TR 7000-4, Aerospace series Non-metallic materials Rules for the drafting and pr

28、esentation of material standards Part 4: Plastic transparencies. 2)3 Definitions, symbols and abbreviations 3.1 Definitions For the purpose of this document the following definitions apply: 3.1.1 Definition of sub-case numbering In the column requirement at the left hand side a sub-case number is gi

29、ven. The definition of these sub-case numbers is as follows: 1) Published as ASD Prestandard at the date of publication of this standard. 2) Published as ASD Technical Report at the date of publication of this standard. TR 7000-4:05-2006 10 Example C.1 (continued) Page 4 EN xxxx Sub-case number Defi

30、nition Technical specification 1 Test method 2 Frequency of testing 3 Sample type 4 Test piece definition 5 Conditioning of test piece 6 Testing condition 7 Acceptance criteria NOTE 1 The absence of a sub-case indicates that the necessary information is given in Table 1 of this standard, e.g. in the

31、 reference to the technical standard (characteristic number 1.004). All the necessary information which does not appear is to be found in the referenced technical specification or the relevant test method. NOTE 2 In this material standard, batch acceptance test titles and sub-case 7 acceptance crite

32、ria are highlighted in the form of a bold frame and bold characters to show that they are mandatory for routine acceptance of the material. 4 Requirements The required characteristics are given in: Table 1 General requirements Table 2 Requirements in the delivery condition Table 3 Requirements as pr

33、ocessed to characteristic number 1.013 Table 4 Environmental testing requirements as processed to characteristic number 1.013 TR 7000-4:05-2006 11 Example C.1 (continued) Page 5 EN xxxx Table 1 General requirements Characteristic number Characteristic Requirements 1.001 Material description Acrylic

34、transparency 1.002 Formulation Acrylic crosslinked 1.003 Form and method of production Castand and multi-axially stretched, without heat treatment a 1.004 Technical specification EN 2719 1.005 Grade 02,5 08 12 Thickness mm 2,5 2,5 t 8 8 t 12 Grade 20 50 70 Thickness mm 12 t 20 20 t 50 50 t 70 1.010

35、Storage See EN 4243. 1.011 Shelf life Not applicable 1.013 Processing condition Supplied in final condition of use 1.093 Quality assurance See EN 4243. 1.094 Designation EN xxxx- (plus grade) 1.098 Health and safety See EN 4243. 1.999 Notes aSheet surfaces shall not be chemically treated. The surfac

36、es may however be polished. TR 7000-4:05-2006 12 Example C.1 (concluded) Page 6 EN xxxx Table 2 Requirements in the delivery condition Characteristic number Characteristic Requirements 2.109 Flame spread rate 7 mm/min 63 7within 1,5 min within 4 min Smoke density with flames 100 200 Fume gas compone

37、nts with flames 7after 1,5 min after 4 min HCl 150 HF 100 HCN 150 SO2/H2S 100 NO+NO2 100 ppmCO 3 500 2.110 Dimensional tolerances 7 See EN 4367. 2.111 Refractive index nD207 1,49 0,01 7 02,5 08 12 91 90 89 20 50 70 Visible light transmission a% 88 85 Haze 7 % 3 Optical distortion 7 See EN 4367. Opti

38、cal defects 7 See EN 4367. Optical deviation 7 See EN 4367. UV transmission 5 144 h in standard atmosphere of (23 2) C and (50 5) % RH in accordance with ISO 554 6At all wavelengths between 280 nm and 360 nm 7% 5 2.114 Water absorption 4 Outer fibre stress 21 MPa 7% 2,6 continued TR 7000-4:05-2006 1

39、3 Example C.1 (concluded) Page 7 EN xxxx Table 2 Requirements In the delivery condition (concluded) Characteristic number Characteristic Requirements 2.301 Density 4 Outer fibre stress 21 MPa 7g/cm31,19 0,01 2.303 Coefficient of linear expansion 71/K 7,5 10-5Temperature of deflection under load 7 C

40、145 6 110 C 7% 10 6 145 C Thermal relaxation 7% 37,5 2.305 Tensile stress at yield 4 Type 1B test piece 5Specimen shall be prepared in accordance with ISO 2818 6 Test speed 5 mm/minute 7MPa 70 Tensile strain at yield 4 Type 1B test piece 5Specimen shall be prepared in accordance with ISO 2818 6 Test

41、 speed 5 mm/minute 7% 15 Modulus of elasticity 4 Type 1B test piece 5Specimen shall be prepared in accordance with ISO 2818 6 Test speed 1 mm/minute 7MPa 3 000 2.317 Impact strength b5 Specimen shall be prepared in accordance with ISO 2818 2.513 Craze resistance 7 No crazing Resistance to crack prop

42、agation (K-Factor) 7N/mm3/2 95 c2.999 Notes aTesting in product thickness; thickness to be stated. bOnly applicable to sheets 4 mm in thickness cNo individual value shall be less than 80 N/mm3/2TR 7000-4:05-2006 14 Example C.1 (continued) Page 8 EN xxxx Table 3 Requirements as processed to character

43、istic number 1.013 No requirement Table 4 Environmental testing requirements as processed to characteristic number 1.013 Characteristic number Characteristic Requirements 4.503 Dry heat ageing 5 (145 5) C for T min a4.111 Optical defects 7 See EN 4243. Yellowness index 7 See EN 4243. 4.508 Resistanc

44、e to weathering 5 See EN 4243. 4.111 Visible light transmission 7 % See EN 4243. Haze 7 % See EN 4243. 4.305 Tensile stress at yield 4 Type 1B test piece 5 Specimen shall be prepared in accordance with ISO 2818 6 Test speed 5 mm/min 7 MPa See EN 4243. Tensile strain at yield 4 Type 1B test piece 5 Specimen shall be prepared in accordance with ISO 2818 6 Test speed 5 mm/min 7 % See EN 4243. 4.317 Resistance to crack propagation (K-Factor) 7N/mm3/2See EN 4243. 4.999 Notes aT is calculated from T = 10 + 3 t, where t is the sheet thickness in millimetres.

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