1、A. E. C. M .A. STAN DAR D NORME A.E.C.M.A. A.E.C.M.A. NORM prEN 2720 August 1990 Issue P 1 EDITE PAR LASSOCIATION EUROPENNE DES CONSTRUCTEURS DE MATRIEL AROSPATIAL 88, boulevard Malesherbes. 75008 PARIS -TL. 45-63-82-85 UDC : Key words : ENGLISH VERSION Aerospace series Test method for metallic mate
2、rials Testing of susceptibility to exfoliation corrosion in 2XXX and 7XXX series wrought aluminium alloy products for aerospace constructions Srie arospatiale Luft- und Raumfahrt Mthode dessai applicable Prfverfahren fr aux matriaux mtalliques metallische Werkstoffe Essai de susceptibilit la corrosi
3、on feuilletante des produits corroys en alliages daluminium des sries 2XXX et 7XXX pour constructions arospatiales Prfung der Empfindlichkeit gegenber Schichtkorrosion fr die Aluminium-Knetlegierungen der Serien 2XXX und 7XXX Standard to be used : ASTM G 34-86 Test method of exfoliation corrosion su
4、sceptibility in 2XXX and 7XXX series aluminium alloys (EXCO test) published b y: American Society for Testing and Materials (ASTM), f 9 16 Race Street, Philadelphia PA 19103 - U.S.A. ,lied bv B.N.A.E. - 8, rue Moreau-Vauthier - 921 O0 BOULOGNE-BILLANCOURT Nota - Extra copies can be su Edition approved for publication 1990-08-24 Comments should be sent within six months C5 Chairman A.E.C.M.A. Mr. ODORICO after the date of publication decision 88, Bd. Malesherbes 75008 PARIS - FRANCE aecma 19s