1、STD*AECMA PREN 3114-2-ENGL 1777 9 1012311 0013075 by7 Edition approved for publication AECMA STANDARD NORME AECMA AECMA NORM Comments should be sent within six months after the date of publication to C5 Chairman prEN 31 14-2 Edition P 1 July 1997 PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE IN
2、DUSTRIES (AECMA) Guiledelle 94 - B-1200 BRUXELLES - Tel. (+32) 2 775 81 1 O - Fax. (+32) 2 775 81 11 ICs : Descriptors : ENGLISH VERSION Aerospace series Test method Microstructure of (a + ) titanium alloy wrought products Part 2 : Microstructure of bars, sections, forging stock and forgings Srie ar
3、ospatiale Luft- und Raumfahrt Mthode dessai Prfverfahren Microstructure des produits corroys en alliage de titane (o1 + ) Partie 2 : Microstructure des barres, des profils, des produits destins la forge et des pices forges Mikrogefge von Titanlegierung (a + ) Teil 2 : Mikrogefge Kneterzeugnisse von
4、Stangen, Profilen, Schmiedevormaterial und Schmiedestcken 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
5、 experts of the concerned Technical 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, ph ysicaily or functionally, without re-identification of the stand
6、ard. After examination and signature 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. NOTE : Images of higher quality fo
7、r the prints in this standard are available from BNAE. 1997-07-31 AECMA Guiiedelie 94 B-1200 BRUXELLES Mr Odorico aecma 199 Page 3 prEN 31 14-2 : 1997 STD-AECMA PREN II,I,-ENGL 1,777 m I,OLZI,I, ouixm 525 rn 1 Scope This standard contains pictures of the microstructure of bars, sections, forging sto
8、ck and forgings for (a + ) titanium alloy. It shall be used in conjunction with EN 31 14-1. 2 Normative references This European Standard incorporates by dated or undated reference provisions from other publications. These normative references are cited at the appropriate places in the text and the
9、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. For undated references the latest edition of the publication referred to applies. EN 31 1
10、4-1 Aerospace series - Microstructure of (a + ) titanium alloy wrought products - Part 1 General requirements 1) 3 Micrographs Photo micrograph no 2T1 to 2T15 2L1 to 2L15 2T1 O0 to 2T117 2A1 and 2A2 2T200 and 2T201 Description (a + ) structure, globular/lamellar, transverse section. (a + ) structure
11、, globular/lamellar, longitudinal section. (a + ) structure with local blocky a and a stringers, transverse section. (a + ) structure with lean a areas, longitudinal or transverse section. transformed structure, transverse section. 1 ) Published as AECMA Prestandard at the date of publication of thi
12、s standard Previous page is blank STD-AECMA PREN 3LLq-Z-ENGL 3777 m 3032333 0033077 Lib1 m Page 4 prEN 31 14-2 : 1997 (a + i structure, globular/lamellar, transverse section 200 : 1 2T 1 200: 1 2T2 200 : 1 2T3 STD-AECMA PREN ILLi-Z-ENGL 1777 LO12311 OOL3D98 3TB Page 5 prEN 31 14-2 : 1997 (a + l stru
13、cture, globular/lamellar, transverse section 200 : 1 2T4 200: 1 2T5 200: 1 2T6 STD-AECMA PREN 3114-2-ENGL 1777 m 1012311 0033097 234 m Page 6 prEN 3114-2: 1997 (a + i structure, globular/lameilar, transverse section 200 : 1 2T7 200: 1 2T8 200 : 1 2T9 STD-AECMA PREN 3LL4-2-ENGL 1777 = LOL23Ll OOL3LOO
14、 BBb Page 7 prEN 31 14-2 : 1997 (a + ) structure, globularllamellar, transverse section 200: 1 2T1 O 200 : 1 2T11 200: 1 2T12 STD-AECMA PREN 311Y-Z-ENGL 1777 1022311 0013101 712 Page 8 prEN 31 14-2 : 1997 (a + ) structure, globularAarnellar, transverse section 200 : 1 2T13 200 : 1 2T14 200 : 1 2T15
15、STD-AECMA PREN 3114-2-ENGL 1997 W 1012311 OCI13102 b57 W Page 9 prEN 31 14-2 : 1997 (a + ) structure, globuiar/lameilar, longitudinal section 200 : 1 2L1 200: 1 2L2 200 : 1 2L3 STDmAECMA PREN 3LL4-2-ENGL 1997 D 1012311 OOL3103 595 M Page 10 prEN 31 14-2 : 1997 (a + ) structure, globular/lamellar, lo
16、ngitudinal section 200 : 1 2L4 200 : 1 2L5 200 : 1 2L6 STD*AECMA PREN 3LL4-2-ENGL 1777 1012311 0013LOLi 421 = Page 11 prEN 31 14-2 : 1997 (a + ) structure, globular/lamellar, longitudinal section 200 : 1 2L7 200: 1 2L8 200 : 1 2L9 STD.AECflA PREN 3LL4-2-ENGL 1797 LO12311 OOL3LO5 3b 9 Page 12 prEN 31
17、 14-2 : 1997 (a + l structure, globular/lamellar, longitudinal section 200 : 1 2110 200 : 1 2111 200 : 1 2L12 STD-AECMA PREN 3114-2-ENGL 1777 1012311 0013LOb 2T4 W Page 13 prEN 31 14-2 : 1997 (a + i structure, globular/lamellar, longitudinal section 200 : 1 2L13 200 : 1 2L14 200 : 1 2L15 STD-AECMA P
18、REN 3LL4-2-ENGL 1777 LO123LL 0013L07 130 Page 14 prEN 31 14-2 : 1997 ia + i structure, with local blocky a and a stringers, transverse section 200 : 1 2T1 O0 200 : 1 2T101 200 : 1 2T102 STD-AECMA PREN 3114-2-ENGL 1777 D 1OL23LL OOL3108 077 D Page 15 prEN 31 14-2 : 1997 (a + ) structure, with local b
19、locky a and a stringers, transverse section 200 : 1 2T103 200: 1 2T104 200 : 1 2T105 STD-AECMA PREN 3114-2-ENGL 1777 1012311 0013107 TO3 Page 16 prEN 31 14-2 : 1997 (a + l structure, with local blocky a and a stringers, transverse section 200 : 1 2T106 200: 1 2T107 200: 1 2T108 Page 17 prEN 31 14-2
20、: -1997 (a + ) structure, with local blocky a and a stringers, transverse section 200 : 1 2T109 200 : 1 2T110 200 : 1 2T111 STD-AECMA PREN 3LL4-2-ENGL 1777 LO123LL OOL3LLL bbL 9 Page 18 prEN 31 14-2 : 1997 (a + ) structure, with local blocky a and a stringers, transverse section 200: 1 2T112 200 : 1
21、 2T113 200 : 1 2T114 (01 + ) structure, with local blocky a and 01 stringers, transverse section 200 : 1 2T115 200 : 1 2T116 200: 1 2T117 STD-AECMA PREN 3114-2-ENGL 1797 9 1012311 0013LL3 43Li H Page 20 prEN 31 14-2 : 1997 (a + I structure, with lean a areas, longitudinal or transverse section 100: 1 2A 1 100: 1 2A2 transformed structure, transverse section 200 : 1 2T200 1 200: 1 2T20 1
