1、I - - STDSAECMA PREN 2002-8-ENGL 1797 W 2022322 0023488 O82 AECMA STANDARD NORME AECMA AECMA NORM _ prEN 2002-8 Edition P 2 October 1997 PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES (AECMA) Gulledelle 94 - B-I 200 BRUXELLES - Tel. ( + 32) 2 775 81 1 O - Fax. ( + 32) 2 775 81 1 1 ICs
2、 : Supersedes issue P1 April 1986 Descriptors : ENGLISH VERSION Aerospace series Metallic materials Test methods Part 8 : Micrographic determination of grain site Srie arospatiale Matriaux mtalliques Mthodes dessais Partie 8 : Dtermination micrographique de ia grosseur de grain Luft- und Raumfahrt M
3、etallische Werkstoffe Prfverfahren Teil 8 : Mikroskopische Bestimmung der Korngrsse 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 t
4、echnically approved by the 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, physically or functionally, without re-id
5、entification of the standard. 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. Standard
6、to be used : ASTM E 112-96 Nota - Extra copies can be supplied by B.N.A.E. - Technopolis 54 - 199, rue Jean-Jacques Rousseau - 921 38 ISSY-LES-MOULINEAUX CEDEX Edition approved for publication 1997-10-31 Comments should be sent within six months after the date of publication to AECMA Guiledelie 94 B-1200 BRUXELLES C5 Chairman Mr Odorico aecma 1997
