AECMA PREN 2954-002-2009 Aerospace series Macrostructure of titanium and titanium alloy wrought products Part 002 Macrostructure of bar section forging stock and forgings Edition P.pdf

1、ASD STANDARD NORME ASD ASD NORM prEN 2954-002 Edition P 1 April 2009 PUBLISHED BY THE AEROSPACE AND DEFENCE INDUSTRIES ASSOCIATION OF EUROPE - STANDARDIZATIONAvenue de Tervuren, 270 - B-1150 Brussels - Tel. + 32 2 775 8126 - Fax. + 32 2 775 8131 - www.asd-stan.orgICS: Descriptors: ENGLISH VERSION Ae

2、rospace series Macrostructure of titanium and titanium alloy wrought products Part 002: Macrostructure of bar, section, forging stock and forgings Srie arospatiale Macrostructure de produits corroys en titane et en alliages de titane Partie 002 : Macrostructure des barres, profils, pices destines la

3、 forge et pices forges Luft- und Raumfahrt Makrostruktur von geschmiedeten Erzeugnissen aus Titan und Titanlegierungen Teil 002: Makrostruktur von Stangen, Profilen, Schmiedevormaterial und Schmiedestcken This “Aerospace Series“ Prestandard has been drawn up under the responsibility of ASD-STAN (The

4、 AeroSpace and Defence Industries Association of Europe - Standardization). It is published for the needs of the European Aerospace Industry. It has been technically approved by the experts of the concerned Domain following member comments. Subsequent to the publication of this Prestandard, the tech

5、nical content shall not be changed to an extent that interchangeability is affected, physically or functionally, without re-identification of the standard. After examination and review by users and formal agreement of ASD-STAN, it will be submitted as a draft European Standard (prEN) to CEN (Europea

6、n Committee for Standardization) for formal vote and transformation to full European Standard (EN). The CEN national members have then to implement the EN at national level by giving the EN the status of a national standard and by withdrawing any national standards conflicting with the EN. Edition a

7、pproved for publication 15 April 2009 Comments should be sent within six months after the date of publication to ASD-STAN Metallic Material Domain Copyright 2009 by ASD-STAN Copyright ASD-STAN Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without lice

8、nse from IHS-,-,-prEN 2954-002:2009 2 Contents Page Foreword2 1 Scope 3 2 Normative references 3 3 Macrographs 3 Annex A (normative) Atlas of macrographic references.4 A.1 Macro grain size.4 A.2 Non-uniform macrostructure. 10 A.3 Tree-ring type structures . 16 A.4 Macro grain size for common alpha-b

9、eta forgings . 18 A.5 Macrostructure obscured by grain flow .20 A.6 Alpha segregates, alpha stringer or blocky alpha 21 A.7 Beta fleck. 24 Bibliography. 25 Foreword This standard was reviewed by the Domain Technical Coordinator of ASD-STANs Metallic Material Domain. After inquiries and votes carried

10、 out in accordance with the rules of ASD-STAN defined in ASD-STANs General Process Manual, this standard has received approval for Publication. Copyright ASD-STAN Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 2954-002

11、:20093 1 Scope This standard contains pictures of the macrostructure of bar, section, forging stock and forgings for titanium and titanium alloy wrought products. This standard shall be used in conjunction with EN 2954-1. 2 Normative references The following referenced documents are indispensable fo

12、r the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 2954-001, Aerospace series Macrostructure of titanium and titanium alloy wrought products Part 001: G

13、eneral requirements. 1)3 Macrographs All macrographs are shown at actual size (1 magnification) when printed without any magnification or reduction. See Annex A (normative). 1) Published as ASD Prestandard at the date of publication of this standard. Copyright ASD-STAN Provided by IHS under license

14、with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 2954-002:20094 Annex A (normative) Atlas of macrographic references A.1 Macro grain size See Figure A.1 (2MA1 to 2MA6). 2)2MA1 Level 10 2) Additional indication from publication ETTC 3. Copyright ASD-S

15、TAN Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 2954-002:2009 5 2MA2 Level 20 Copyright ASD-STAN Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without license from IH

16、S-,-,-prEN 2954-002:20096 2MA3 Level 30 Copyright ASD-STAN Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 2954-002:2009 7 2MA4 Level 40 Copyright ASD-STAN Provided by IHS under license with AECMA Not for ResaleNo repro

17、duction or networking permitted without license from IHS-,-,-prEN 2954-002:20098 2MA5 Level 50 Copyright ASD-STAN Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 2954-002:2009 9 2MA6 Level 60 Figure A.1 Copyright ASD-ST

18、AN Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 2954-002:2009 10 A.2 Non-uniform macrostructure See Figure A.2 (2MA20 to 2MA25). 2)2MA20 Copyright ASD-STAN Provided by IHS under license with AECMA Not for ResaleNo re

19、production or networking permitted without license from IHS-,-,-prEN 2954-002:2009 11 2MA21 Copyright ASD-STAN Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 2954-002:2009 12 2MA22 Copyright ASD-STAN Provided by IHS un

20、der license with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 2954-002:2009 13 2MA23 Copyright ASD-STAN Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 2954-002:200914 2M

21、A24 Copyright ASD-STAN Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 2954-002:200915 2MA25 Figure A.2 Copyright ASD-STAN Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted w

22、ithout license from IHS-,-,-prEN 2954-002:200916 A.3 Tree-ring type structures See Figure A.3 (2MA40 to 2MA42). 2)2MA40 Copyright ASD-STAN Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 2954-002:200917 2MA41 and 2MA42

23、Figure A.3 Copyright ASD-STAN Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 2954-002:2009 18 A.4 Macro grain size for common alpha-beta forgings See Figure A.4 (2MA60 to 2MA62). 2MA60 2MA61 Copyright ASD-STAN Provided

24、 by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 2954-002:2009 19 2MA62 Figure A.4 Copyright ASD-STAN Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-pr

25、EN 2954-002:2009 20 A.5 Macrostructure obscured by grain flow See Figure A.5 (2MA70). 2MA70 Figure A.5 Copyright ASD-STAN Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 2954-002:200921 A.6 Alpha segregates, alpha strin

26、ger or blocky alpha See Figure A.6 (2MA80 to 2MA84). 2)2MA80 Alpha segregates, alpha stringer Copyright ASD-STAN Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 2954-002:200922 2MA81 Alpha segregates, blocky alpha 2MA82

27、 Alpha segregates, blocky alpha Copyright ASD-STAN Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 2954-002:2009 23 2MA83 Alpha segregates, blocky alpha 2MA84 Alpha segregates, blocky alpha Copyright ASD-STAN Provided b

28、y IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 2954-002:200924 A.7 Beta fleck See Figure A.7 (2MA100). 2MA100 Copyright ASD-STAN Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 2954-002:2009 25 Bibliography 1 AMS 2380, Approval and control of premium-quality titanium alloys. Copyright ASD-STAN Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-