1、 AECMA PRENrb03B 75 L0123LL 0010013 BBL Edition approved for publication 1995-1 1-30 AECMA STANDARD NORME AECMA AECMA NORM AIBTTFG Chairman Mr K. Schneider Comments should be sent within six months after the date of publication to AECMA Gulledelle 94 B-1200 BRUXELLES prEN 6038 Edition PI November 19
2、95 PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES (AECMA) Gulledelle 94 - B-1200 BRUXELLES - Tel. (32) 2 775 81 1 O - Fax. (32) 2 775 81 1 1 ICs : Descriptors : ENGLISH VERSION Aerospace series Fibre reinforced plastics Test method Determination of the compression strength after impac
3、t Srie arospatiale Matires plastiques renforces de fibres Mthode dessai Dtermination de la rsistance en compression aprs impact Luft- und Raumfahrt Faserverstrkte Kunststoffe Prfverfahren Bestimmung der Restdruckfestigkeit nach Schlagbeanspruchung This “Aerospace Series“ Prestandard has been drawn u
4、p 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 experts of the concerned Technical Committee following comment by the Member countries. Subsequent to the pub
5、lication of this Prestandard, the technical content shall not be changed to an extent that interchangeability is affected, physically or functionally, without re-identification of the standard. After examination and signature of the AECMA Standard Checking Centre INPSI and formal agreement of the Of
6、ficial Services of the Member countries it will be submitted as a draft European Standard to CEN (European Committee for Standardization) for formal vote. AECMA PRENrb038 95 LO12311 O010014 i18 Page 2 prEN 6038 : 1995 Contents list 1 2 3 4 5 6 7 8 9 10 Scope Normative references Definitions Principi
7、e of the method Designation of the method Apparatus Test specimen Procedure Presentation of the results Test report AECMA PRENxb038 95 = LOL23LL OOLOOL5 b54 Page 3 prEN 6038 : 1995 1 Scope This standard defines a method to be used to measure the low speed impact resistance characteristics of fibre r
8、einforced plastics. It is applicable to composite laminates with unidirectional plies or woven fabric reinforcement. This standard does not give any direction necessary to meet health and safety requirements. It is the responsibility of the user of this standard to consult and establish appropriate
9、health and safety precautions. 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 publications are listed hereafter. For dated references, sub
10、sequent 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 2374 Aerospace series - Glass fibre reinforced mouldings and sa
11、ndwich composites - Production of test panels EN 2565 Aerospace series - Preparation of carbon fibre reinforced resin panels for test purposes) EN 2743 Aerospace series - Reinforced plastics - Standard procedures for conditioning prior to testing” EN 2760 Aerospace series - Steel FE-PL78 - 1760 2 R,
12、 S 2000 MPa - Bar - De I 75 nun EN 3525 Aerospace series - Steel FE-PL52S Hardened and Tempered - 1080 R, I 1250 MPa - Sheet and plate - 2 /i 0,0125 90“ ? c- Strain gauge O“ 4 Impact locat ion Strain gauge r 25k 1 150 10,l l- 0- +I O O l- 5, Lay-up : Tape lay-up : Fabric lay-up : (45 /O / -45 / 90 ) n sym ( ( 145 ) , ( 0,90 ) ) m sym Note : - n and m are to be determined to obtain a thickness of the laminate as close as possible to 4 mrn. - O“ is equivalent to “warp“ direction and 90“ is equivalent to weft direction. Figure 5 : Impact specimen
