1、AECMA PREN3349 88 I012311 0005523 2 S _ -* A. E.C. M.A. STAN DARD NORME A.E.C.M.A. A.E.C.M.A. NORM prEN 3349 Issue P 1 October 1988 DIT PAR LASSOCIATION EUROPENNE DES CONSTRUCTEURS DE MATRIEL AROSPATIAL 88, boulevard Malesherbes, 75008 PARIS -TL. 45-63-82-85 UDC : Key words : ENGLISH VERSION Aerospa
2、ce series Magnesium alloy MG-C92 Solution treated and artificially aged (T6) Casting Srie arospatiale Alliage de magnsium MG492 Mis en solution et revenu (T6) Pices coules Luft- und Raumfahrt Magnesiumlegierung MG-C92 Isungsgegl ht und warmausgelagert (T6) Gupstcke This .Aerospace Series pre-standar
3、d has been drawn up under the responsibility of AECMA (Association Europenne des Constructeurs de Matriel Arospatial). It is published on green paper for fhe needs of AECMA-Members. It has been technically approved by the experts of the concerned AECMA Commission following comment by the Member coun
4、tries. Subsequent to the publication of fhis pre-standard, the technical content shallnot be changed to an extent that interchangeability is affected, physically or functionally, without re-identification ofthe standard. After examination and signature of the AECMA Standard Checking Centre (NPS) and
5、 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 final vote. Nota - Extra copies can be supplied by B.N.A.E. - 8. rue Moreau-Vauthier - 92100 BOULOGNE-BILLANCOURT Edition approved
6、for publication Comments should be sent within six months C5 Chairman affer the date of publication decision 88, Bd. Malesherbes J. ODORICO 17th October 1988 A.E.C.M.A. 75008 PARIS - FRANCE 0 aecma 1988 Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under l
7、icense with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEH 3349 Paye 3 a 1 Scope arid field of epplication This standard specifies fcr the aerospace dgpl fcation, the rnechanitxl properties for casting, solution treated and artificially aged (T6), in mag
8、nesiuir, l loy RG-W. Unless otherwise specified by She cirawiriy, the order or tk inspectior schedule, the present s$atidard shTl be used in ccnjuncticn with the referenced EN standards, 2 References EN 2032-1, Aerospace series - Conventional designdtion for metal 7ic irialerials EN 2032-2, o EM 207
9、6-3, Aerospace series - Metallic niaterials - Part 2 - Ccding c- aaterials in delivery heat treatmeii)3 conditions Aerospace series - Alumiriium and rirugnesium alloy ingots dtld castins - Technical specification - Part 3 - Pre-production and production castftigs EN 2500-2, Aerospace series - Guidel
10、ines fcr the preptiration and use of the statrdarcls for metollic matcriiils - Fart 2 -I Alumininn and aluminium alloys i) 1) In preparation O Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking
11、 permitted without license from IHS-,-,-AECMA PREN33Li BB W LOL23LL 0005526 B W prEN 3349 Page 4 Others PRC tl t-o t-a 1 Y RE I) Zn Mn Zr Cu .Si Fe Ni i,O 3,o - 0,4 - - - - - - - i,5 4,O 0,2 0,15 IBO OY03 0,Ol 0,Ol 0,005 - - Elornent Chernlcol I Mcl Rem. Composltlon rnex. 1 170 - 185 - 245 - 255 - l
12、ethod of melting - 160 - 220 orrn lethod of production ,mit dimenslons Bending Impact .1 Technlcal speclflcatlon .2 Dlrnanslonal standard 1.3 Dlmonslonal standard code k- - K i.1 Condltlon and heat treatment dei ivory 1.2 Delivarv conditlon coda :ondltlon nd ieat treatment J se -Ost plece ioat treat
13、ment ;ampling )irnonslons :onCerncd rhlckness of :laddlng on each faCe Ilrection of sample I TemperaNre 10 g: - w I- I Elongation Reductlon I of area Hnrdness 1-1- Temperature e % Stress w u Elongotion a % Stress R a - Rupture Elongatlon at rupture - A% Notes see ilne 98 ,. Cast i ng Sand or investm
14、ent EN 2076-3 Solution treated 525 5 5C / t = 8 II hot water or polymer quench u. artificially aged 500 5C / t = 16 h As delivered I I T6 2) T6 3) I T6 4) Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction o
15、r networking permitted without license from IHS-,-,-1 Designation Notes Typical use I) RE = Rare Earths and are Nd rich 1,5 - 2,0, remainder heavy metal earths. 2) Separately cast test samples. 3) Cut up test samples taken from any zone, or release test samples cut frow the casting . The values show
16、n are the mean of 4 and preferably 10 specimens. 4) Cut up test samples taken from a designated zone, or release test samples cut from the casting. 5) For greater thickness values shall be agreed. 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-,-,-
