1、A. E .C .M .A. STAN DARD A.E.C.M.A. NORM prEN2380 September 1983 NORME A.E.C.M.A. Edition 1 Approved by COMITt DE NORMALISATION Of A.E.C.M.A. 1982-1 1-10 ENGLISH VERSION - The equivalent versions in French and German languages can be supplied by B.N.A.E., 8, rue Moreau-Vauthier 92100 BOULOGNE-RILLAN
2、COURT - FRANCE. - Aluminium alloy 7075-T73 Forgings a ondition ind ieat treatment J se Test piece ieat treatment sampling - - T73 Forged specimens or cpecixm ctit from the die forgings mm 75 a s i33 I 4 75 100 C a C 125 3imensions :oncerned Thickness of :ladding on each fice lx 3irection of sample (
3、Temperature e oc Proof Stress 385 Rfn * 455 Strength E I ongation Reduction Hardness Shear Strength A % a7 % MPa) Bending k K - e - t J Oc h - - Impact Time MPa*) a % Rupture Istress MPa*) % - Elongation - - *) 1 MPa = 1 Nhm2 i), 2), 3), see line 98. f . Votes Copyright Association Europeene des Con
4、structeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AECMA PREN2380 83 W L0123LL 00030bLi 8 W ._. .- .- -. 11- ._ “ 1 LI prEN2380 Page 4 1 Electrical conductivity Stress corrosion Votei rypicai u
5、w 2 3 4 EN2004-1 & 23 4) : acceptable 226 y 23 Rp0,2g Rp0,2 min. 4, + 85 MPa Rp02 7 Rp0,2 min. 4) + 85 Ra except if ?f measured within 15 min of additional solution treatment and quenching shows a loss of at least 3,5 MS/m from the initial value. : acceptable : not acceptable, 22 5 y 23 EM2004-4 ) i
6、) In preparation. 2) If required by order. 3) Elongation on Lo = A50 ,m. 4) Minimum value specified in line 13. f o O O Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
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