1、AECMA STANDARD NORME AECMA AECMA NORM prEN 2098-3 Edition 2 July 1994 EDITE PAR LASSOCIATION EUROPEENNE DES CONSTRUCTEURS DE MATERIEL AEROSPATIAL Technopolis - 175, rue Jean-Jacques Rousseau - F-92138 Issy-les-Moulineaux Cedex - Tl. (1) 47.36.98.76 Supersedes edition 1 March 1981 ENGLISH VERSION Aer
2、ospace series Inspection and testing requirements for titanium and heat resisting alloy wrought products Part 3 - Inspection and testing requirements for bars and sections Srie arospatiale Conditions de contrle et dessai des produits corroys en alliages de titane et alliages rsistant chaud Pattie 3
3、- Contrles et essais sur barres et profils Luft- und Raumfahrt Kontroll- und Prfforderungen fr Knet-Halbzeug aus Titanlegierungen und hochwarmfeste Legierungen Teil 3 - Kontroll- und Prfforderungen fr Stangen und Profile This “Aerospace series“ S onsibiiit y of A ECMA (Associa tion Europenne it is p
4、ublished o it wiiJ be submit for formal vote. h, French, German). (European Committee for Standardization) Replace page 1 of the previous edition by this page Declassification approved 1994-07-25 The equivalent versions in French and German languages can be supplied by B.N.A.E. - Technopolis 54 - 19
5、9, rue Jean-Jacques Rousseau 921 38 ISSY - LES - MOULINEAUX CEDEX - FRANCE I I aecma 199 I 1012311 0009465 020 = prEN2098-3 Page 3 A.E.C.M.A. STANDARD prENZ98-3 INSPECTION AND TESTING REQUIREMENTS AND HEAT RESISTING ALLOY WROUGHT PRODUCTS REQUIREMENTS FOR BARS AND SECTIONS FOR TITANIUM ., PART 3 - I
6、NSPECTION AND TESTING SCOPE AND FIELD OF APPLICATION This standard specifies the inspection and testing requirements for bars and sections in titanium and heat resisting alloys, used in aerospace construction. It shall be used in conjunction with EN2098-1 which states the general requirements for in
7、spection and testing of wrought products in titanium and heat resisting alloys. REFERENCES ISO/R 148-1960, EN2098-1. EN2002-1, EN2002-5, EN2002-7, EN2002-8, EN20034, EN2003-7, EN2003-9, EN2003-10, Beam impact test (V-notch) for steel Inspection and testing requirements for titanium and heat resistin
8、g alloy wrought products - Part 1 - General requirements Test methods for metallic materials - Part 1 - Room temperature tensile test 1 Test methods for metallic materials - Part 5 - Creep-test I). Test methods for metallic materials - Part 7 - Hardness test i) Test methods for metallic materials -
9、Part 8 - Grain size determination Test methods for titanium and titanium alloy products - Part 4 - Notch sensitivity test i) Test methods for products in steel, titanium, heat resisting steels and heat resisting alloys - Part 7 - Macro etch test 1 Test methods for titanium and titanium alloy product
10、s - Part 9 - Surface contamination of titanium 1) Test methods for titanium and titanium alloy products - Part 10 - Hydrogen analysis in titanium I). i) in preparation Q 30 30 to 75 Tramverse or Longitudinal* 3 MECHANICAL TESTS The test pieces and test samples shall be selected in accordance with ta
11、ble 1. Test samples representing bars and sections for machining shall be taken from the products in full section. TABLE 1 - t?equimmentr for test samples 8nd test pieces Dimensions in millimetres Product I Location of test piece in the test sampk rrantvsne dimamion Test piace diredon/test rampie pr
12、eparation Centre At least 15 mm from surface Titanium and heat resisting alloy bars and sections for machining Mid-way between centre and surface / 20to 40 Centre of thickness or diameter 30 to 75to loo .*I At the option of the supplier, a longitudinal or transverse test piece can be taken from a sa
13、mpio of the product heat treated in full section. *I The direction of tact shall be stated in the test report. 4 MACRO ETCH TEST - - I m IiOL231L 0009467 9T3 = prEN2098-3 Page 5 4.1 Heat resisting alloys Samples shall be etched and visually examined to ensure freedom from central unsoundness, seams
14、and detrimental segregation. Acceptance standards for segregation shall be agreed between manufacturer and purchaser. Samples shall be selected at the following frequency : 4.1.1 Bars for further working A transverse slice shall be taken from locations representing the top and bottom of each ingot i
15、n each cast. If forging stock is supplied in cut pieces, each piece shall be etched and examined. 4.1.2 Bars for machining and extruded sections a) The inspector shall at a convenient stage select a sample corresponding to the top of each ingot. Subsequently he shall select samples of full cross sec
16、tion, from the material at the following frequency : - Material less than 20 mm diameter or minor sectional dimension : from one end of 10% of the bars or sections in each batch. - Material 20 mm up to less than 100 mm diameter or minor sectional dimension : from one end of 50% of the bars and secti
17、ons in each batch. - Material 100 mm or greater diameter or minor sectional dimension : b) As an alternative and at the option of the manufacturer, the inspector shall select samples of full cross-section from each end of each bar or section. from each end of each bar or section. c) Blade blanks. Ea
18、ch end of each blank shall be etched and examined. 4.2 Titanium alloys If an etch test is required the procedure and standards of acceptance shall be agreed between the manufacturer and the purchaser and shall be stated on the drawing, order or inspection and testing schedule. 5 RETESTS 5.1 Macro et
19、ch test for bars for further working If a bar fails to meet the required standard, the inspector shall allow the manufacturer to redress, or cut back and to test in accordance with the requirements of clause 4.1.1 or 4.2. 5.2 Macro etch test for bars for machining and extruded sections If any sample
20、 fails to comply with the standard of acceptance, the related end of that bar or section shall be re-dressed or cut back and retested in accordance with clause 4.1.2 or 4.2. Additionally if samples were selected at a frequency of less than 100% all the remaining bars or sections in the heat treatmen
21、t batch represented shall be tested. 5.3 Additional requirements For designated applications the purchaser may require rejection of any bar where the cut-back has exceeded 50%. If more than 50% of a batch has to be rejected the disposition of the remainder shall be agreed between manufacturer and pu
22、rchaser. , I i- Bars for further working for machining/ Exrruded sections for manufacture 1 percast 1 per cast of rings 1 per batch 1 per batch prEN2098-3 Page 6 I nspectiodTest requirements Test standard Tmnium alloys Heat resisting alloys - 1 2 3 - - 1 per batch EN2003-10 1) - Hydrogen analysis No
23、ndestructive testing 100% Visual examination for surface defects 100 % 4 5 - Dimensional check Material verification 100 % 100 % 1 O % for annealed, softened or solution treated products 1 O0 % for fully heat treated products 6 Hardness EN2002-7 1) 7 - 8 - 9 EN2002-8 1 1 Grain size 1 per batch Bars
24、and sections Tensile test EN2002-1 1) E N2OO2-5 1 EN20034 1 1 per batch 1 per batch Stress rupture test 10 Creep test 1 per batch 1 percast -1 1 per batch 11 12 - Impact te& ISO/R 148 1 per batch (see 4.2) (see 4.1) Macro etch test EN2003-7 1 13 M icroexam i nation 1 per batch (see EN20981 1 ENZW3-9 1 1 1) In preparation.
