1、STD-AECMA PREN 42bl-ENGL L77b LO12311 OOlL373 99b E AECMA STANDARD NORME AECMA AECMA NORM prEN 4261 Edition P 1 November 1996 PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES (AECMA) Gulledelle 94 - 8-1200 BRUXELLES Tel. (32) 2 775 81 10 - Fax. (32) 2 775 81 11 ICs : Descriptors : ENGLI
2、SH VERSION Aerospace series Metallic materials Rules for drafting and presentation of test method standards Srie arospatiale Luft- und Raumfahrt Matriaux mtalliques Metallische Werkstoffe Rgles pour la rdaction et la prsentation des normes de mthodes dessais Regeln fr die Erstellung und Gestaltung v
3、on Normen ber Prfverfahren 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 by the experts of the concerned Techn
4、ical 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 standard. After examination and signa
5、ture 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. Nota - Extra copies can be supplied by B.N.A.E. - Technopolis 54 -
6、 199, rue Jean-Jacques Rousseau - 921 38 ISSY-LES-MOULINEAUX CEDEX I Comments shouid be sent within six months after the date of publication to I Edition approved for publication 1996-1 1-29 AECMA Gulledelle 94 B-1200 BRUXELLES C5 Chairman Mr dorico aecma 1996 STD-AECMA PREN Y2b1-ENGL L79b m 1012311
7、 0011374 822 m Page 2 prEN 4261 : 1996 Contents list O Introduction 1 Scope 2 Normative references 3 Framework and structure 4 Content Annex A (Informative) Annex B (Informative) Page 3 prEN 4261 : 1996 O Introduction This standard is part of the series of EN metallic material standards for aerospac
8、e applications. The general organization of this series is described in EN 4258. 1 Scope This standard specifies the rules for the drafting and presentation of test method standards. 2 Normative references This European Standard incorporates by dated or undated reference provisions from other public
9、ations. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision
10、. For undated references the latest edition of the publication referred to applies. EN 2078 Aerospace series - Metallic materials - Manufacturing schedule - Inspection schedule - Inspection and test report - Description and rules for use EN 4179 Aerospace series - Qualification and approval of perso
11、nnel for non-destructive testing II EN 4258 Aerospace series - Metallic materials - General organization of standardization - Links between types of EN standards and their use 1) EN 4259 Aerospace series - Metallic materials - Definitions of general terms 2) 1) Published as AECMA Prestandard at the
12、date of publication of this standard 2) In preparation at the date of publication of this standard STD-AECMA PREN 42bL-ENGL L77b m LOL23LL 00LL37b bT5 m Page 4 prEN 4261 : 1996 3 Framework and structure 3.1 General Where necessary the test method standard may be subdivided into several parts (e.g. E
13、N xxxx-I, EN xxxx-2, etc.). In such cases all general requirements shall be incorporated in Part 1 (general part) and the specific requirements in Part 2 onwards (specific parts). 3.2 Required elements The test method standard shall include the following elements in the given order : - Title ; - Cla
14、use - - Clause - - Clause - - Clause - - Clause - - Clause - - Clause - - Clause - O Introduction ; 1 Scope; 2 Normative references ; 3 Definitions ; 4 Health and safety ; 5 Principle ; 6 Testing requirements ; 6.1 Resources ; 6.2 Test sampleshest pieces ; 6.3 Testing procedure ; 6.4 Expression of r
15、esults ; 7 Test report. 4 Content Standard sentences, placed in a frame, are listed below for the different clauses of the test method standard and are mandatory. When necessary, further information is indicated in italics. 4.1 Title The title shall give sufficient information to unambiguously ident
16、ify the subject of the standard. 4.1 .I General part Where necessary, the title should also identify the semi-finished products and the family(ies) of metallic materials to which that test method applies. I I Aerospace series Metallic materials Test method Complete with the type of test method e.g.
17、Creep testing, Eddy current test, etc Part 1 General requirements (when required if the test method comprises more than one part). (except where the test method is applicable to a specific family of metallic materials in which case it shall be stated, e.g. Steel, etc.). STD-AECMA PREN qZb1-ENGL L79b
18、 101231L 0011377 531 Page 5 prEN 4261 : 1996 4. .2 Specific part Aerospace series Metallic materials (except where the test method is applicable to a specific family of metallic materials in which case it shall be stated, e.g. Steel, etc.). Test method Complete with the type of test method e.g. Cree
19、p testing, Eddy current test, etc. Part X fe.g., Resources, Test samples/test pieces, Calibration procedure, Test procedure, etc.). 4.2 Clause O : Introduction O Introduction This standard is part of the series of EN metallic material standards for aerospace applications. The general organization of
20、 this series is described in EN 4258. 4.3 Clause 1 : Scope In this clause the scope and application limits of the test method shall be stated. 4.3.1 General part 1 Scope This standard specifies the general requirements for the . e.g. Ultrasonic inspection, .I of metallic materials (or Steel, ur tita
21、nium, .I for aerospace applications. Additional information, e.g. limits of method or dimensions of the specimens may be added if necessary. Specific requirements relating to . (procedures, etc.) are given in Part 2 onwards, (if applicable). It shall be applied when referred to in the EN technical s
22、pecification or material standard unless otherwise specified on the drawing, order or inspection schedule. 4.3.2 Specific part 1 Scope This standard specifies the requirements for . (test procedure, . J during (tensile testing, ultrasonic inspection, . J of metallic materials (or Steel, etc.J for ae
23、rospace applications. It shall be applied in conjunction with EN xxxx- I (insert EN number of the general partl. STD-AECMA PREN 42bL-ENGL L97b 10123L1 0011378 478 Page 6 prEN 4261 : 1996 4.4 Clause 2 : Normative references 2 Normative references This European Standard incorporates by dated or undate
24、d reference provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when inc
25、orporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies. (folio wed by the list of documents, give their titles, to which reference is made in the text). 4.5 Clause 3 : Definitions 4.5.1 General part If no extra definitions to those
26、given in EN 4259 : 3 Definitions For the purposes of this standard, the following definitions apply : Definition of general terms : see EN 4259. If extra definitions to those given in EN 4259. 3 Definitions For the purposes of this standard, the following definitions apply : 3.1 General terms See EN
27、 4259. 3.2 Other terms 4.5.2 Specific part 3 Definitions For the purposes of this standard, the following definitions apply : General definitions : see EN xxxx-I (add additional definitions if necessary). 4.6 Clause 4 : Health and safety 4 Health and safety Resources, test pieces, test samples, test
28、 materials, test equipment and test procedures shall comply with the current health and safety regulations/laws of the countries where the test is to be carried out. Where materials and/or reagents which may be hazardous to health are specified, appropriate precautions in conformity with local regul
29、ations and/or laws shall be taken. STD-AECMA PREN 42bL-ENGL L77b LUL23LL DULL379 304 = Page 7 prEN 4261 : 1996 4.7 Clause 5 : Principle 4.7.1 General part A short and general description of the principle of the test method shall be given, 4.7.2 Specific part A short and general description of the te
30、chnique(s) covered by the specific part may be given if it is not covered by the general part, or state : I I See EN xxxx-I (insert the EN number of the general part. 4.8 This clause shall contain all the necessary requirements to enable the test to be satisfactorily performed. This clause shall nor
31、mally be subdivided into the following subclauses : Clause 6 : Testing requirements 6.1 Resources 6.2 Test samples/test pieces 6.3 Testing procedure 6.4 Expression of results 4.8.1 General part 6 Testing requirements 6.1 Resources 6.1 .I Equipment/plant List all the equipment/plant required, includi
32、ng when necessary an y references to the technical requirements, e.g. verification and accuracy required of the equipment/plant required to carry out the test, or state : “See EN xxxx-1 “ where part “x“ is the specific part. Annex A gives examples of the type of information required. 6.1.2 Materials
33、lReagents List all the materials/reagents required, including when necessary an y references to the technical requirements of the materialdreagents required to carry out the test, or state : “See EN xxxx-x“ where part “x“ is the specific part. Annex B gives examples of the type of information requir
34、ed. STDmAECMA PREN 42bL-ENGL L77b m 1012311 0011381 02b Page 8 prEN 4261 : 1996 6.1.3 Qualification of personnel This clause shall specify the technical qualificationlsj required by the personnel undertaking/supervising the test. For Non-destructive testing test methods this clause shall state : Tes
35、ting to the requirements of this test method shall only be undertaken and/or supervised by NDT personnel, qualified and approved in accordance with the requirements of EN 41 79. For other test methods this clause shall state : Testing to the requirements of this test method shall only be undertaken
36、and/or supervised by personnel who have demonstrated their competence by a suitable education and appropriate training and experience. 6.2 Test sarnples/Test pieces This clause shall specifie the test samples/test pieces required to calibrate the equipment and/or carry out the test, examination or a
37、nalysis. It shall also include methods of preparation and preservation, or state : See EN xxxx-x where part “x“ is the specific part. 6.3 Testing procedure This clause shall describe the testing procedure. When required, a written instruction detailing the technique to be used for the testing of a s
38、pecific material or component or assembly and when applicable, testing conditions, shall be prepared. Followed by a description of the testing procedure, and when necessary the format of the written instruction, or state : See EN xxxx-x where part “x“ is the specific part. 6.4 Expression of results
39、When required, this clause shall describe the method(s) of calculation, the units in which the results are to be expressed (if not SI units) and the method of presentation of the results, or state : See EN xxxx-x where part “x“ is the specific part. NOTE : The acceptance requirements shall be stated
40、 in the technical specification or material standard. However for some test methods different levels of acceptance e.g. level A, level B, may need to be quantified in the test method standard, and referenced in the technical specification, material standard or inspection schedule, or state : See EN
41、xxxx-x where part “x “ is the specific part Page 9 prEN 4261 : 1996 4.8.2 Specific part Clauses 6.1 to 6.4 When clauses 6.1 to 6.4 in the general part make reference to a specific part, the relevant clauses of the specific part shall be completed with all the necessary information. When clauses 6.1
42、to 6.4 of the general part contain all the necessary information, state : See EN xxxx- 1 (insert the EN number of the general part). 4.9 4.9.1 General part Clause 7 : Test report 7 Test report All results shall be in written form and the test report shall include when relevant at least the following
43、 information : - reference to the test method standard ; - any other information relevant to the test methodlsl, le.g. test condition, test equipment, test - identification and traceability of the semi-finished product to be tested in accordance with the - identification and traceability of test sam
44、ples taken from semi- finished product (e.g. location, - identification and traceability of test pieces taken from test samples le.g. number, preparation, procedure, verification . ) ; technical specifications ; orientation, size) ; method, conditioning) In certain cases, the test piece may be the t
45、est sample ; - expression of results (e.g. individual values or mean values, units . ) ; - recorded plots/graphs, when necessary ; - date of test ; - traceability to individual performing the test work ; - any incident which may have affected the results ; - an y deviation from the test method stand
46、ard. 4.9.2 Specific part 7 Test report See EN xxxx-1 . An y additional requirements to those specified in the general part, shall be included here. STD*AECMA PREN 42bL-ENGL 177b LOL2311 0011382 7T7 Page 10 prEN 4261 : 1996 Annex A (Informative) Examples of equipmentlplant descriptions to be included
47、 in clause 6.1 .I The following examples are not intended to be exhaustive. Whenever possible, the technical specification of the equipment and the verification procedure to be used shall be stated, preferably by reference to an EN, IS0 or other standard. Mechanical testing tensile test machine conf
48、orming to (insert standard), and verified in accordance with (insert standard) ; extensometer conforming to EN 10002-4 ; recording equipment with the following characteristics . ; measuring equipment accurate to (insert tolerances) ; heating equipment (elevated temperature testing) ; impact testing
49、machine conforming to (insert standard) ; hardness testing equipment conforming to (insert standard) ; creep testing frames ; etc. Non-destructive testing magnetising units conforming to (insert standard) ; X-ray tube heads conforming to (insert standard) ; ultrasonic testing equipment conforming to the requirements of EN xxxx-2 ; viewing equipment ; standard test blocks ; standard defects ; ultraviolet lamps ; etc. Surface examination optical devices such as hand lenses ; surface preparation equipment ; etc. Macrographic/Micrographic metallurgical microscopes, state
