ASD-STAN PREN 6060-1995 Aerospace Series Fibre Reinforced Plastics Test Method Determination of the Tensile Single Lap Shear Strength (Edition P1)《航空航天系列 纤维增强塑料的试验方法 单面拉伸剪切强度的测定 第P.pdf
《ASD-STAN PREN 6060-1995 Aerospace Series Fibre Reinforced Plastics Test Method Determination of the Tensile Single Lap Shear Strength (Edition P1)《航空航天系列 纤维增强塑料的试验方法 单面拉伸剪切强度的测定 第P.pdf》由会员分享,可在线阅读,更多相关《ASD-STAN PREN 6060-1995 Aerospace Series Fibre Reinforced Plastics Test Method Determination of the Tensile Single Lap Shear Strength (Edition P1)《航空航天系列 纤维增强塑料的试验方法 单面拉伸剪切强度的测定 第P.pdf(12页珍藏版)》请在麦多课文档分享上搜索。
1、- AECMA PREN*bObO 95 m 1012311 0010233 431 m Edition approved for publication 1995-1 2-1 5 AECMA STANDARD NORME AECMA AECMA NORM AIB/TF6 Chairman Mr K. Schneider Comments should be sent within six months after the date of publication to AECMA Gulledelle 94 B-1200 BRUXELLES prEN 6060 Edition PI Decem
2、ber 1995 PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES (AECMA) Gulledelle 94 - 8-1200 BRUXELLES - Tel. (32) 2 775 81 10 - Fax. (32) 2 775 81 11 ICs : Descriptors : ENGLISH VERSION Aerospace series Fibre reinforced plastics Test method Determination of the tensile single lap shear str
3、ength Srie arospatiale Luft- und Raumfahrt Mthode dessai Prfverf ahren Matires plastiques renforces de fibres Dtermination de la contrainte de cisaillement dun joint recouvrement simple Faserverstrkte Kunststoffe Bestimmung der Bindefestigkeit von einschnittig berlappten Klebungen im Zugversuch This
4、 “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 experts of the concerned Technical Committee following commen
5、t 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 ysically or functionally, without re-identification of the standard. After examination and signature of the AECMA Standard Che
6、cking Centre INPS) 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. AECMA PRENubObO 95 H L0123Ll 0030234 378 H Page 2 prEN 6060 : 1995 Contents list 1 2 3 4 5 6 7 8
7、 9 10 Scope Normative references Definitions Principle of the method Designation of the method Apparatus Test specimen Procedure Presentation of the results Test report AECMA PREN*bObO 95 I10123111 00110235 204 Page 3 prEN 6060 : 1995 1 Scope This standard specifies the procedure to determine the te
8、nsile single lap shear strength of fiber reinforced composites on different specimen types and laminate configurations, like full depth, co-bonded or secondary bonded laminates. Specimen may either be unsupported or supported during the test. Support retricts the amount of bending during the test le
9、ading to different test results. This standard does not give any directions necessary to meet health and safety requirements. It is the responsibility of the user of this standard to consult and establish appropriate health and safety precautions. 2 Normative references EN 2374 Aerospace series Glas
10、s fiber reinforced moulding and sandwich composites Production of test panels EN 2489 Aerospace series Fiber reinforced plastics Determination of the action of liquid chemicals EN 2565 EN 2743 EN 2823 Aerospace series Preparation of carbon fiber reinforced resin panels for test purposes ” Aerospace
11、series Reinforced plastics Standard procedures for conditioning prior to testing ) Aerospace series Fiber reinforced plastics Test method for the determination of the effect of exposure to humid atmosphere on physical and mechanical characteristics Parameters for conditioning and testing ) 3 Definit
12、ions 3.1 Full depth specimen Designation: Table 1 3.1.1 Full depth specimen, laminate Laminate of full specimen thickness cured in a one step operation containing only fiber reinforced layers (see figure 1). 3.1.2 Full depth specimen, with adhesive Laminate of full specimen thickness cured in a one
13、step operation containing one adhesive layer in the centre (see figure 2). I Published as AECMA Prestandard at the date of publication of this standard - _ AECMA PREN*bObO 95 LO12311 0030236 140 W Page 4 prEN 6060 : 1995 3.1.2 Full depth specimen, with adhesive Laminate of full specimen thickness cu
14、red in a one step operation containing one adhesive layer in the centre (see figure 2). 3.2 Co-bonded specimen Designation: Table 1 3.2.1 Co-bonded specimen, laminate Laminate of full specimen thickness which has been manufactured in two steps containing only fiber reinforced layers (see figure 1).
15、In the first step a laminate of half the thickness of the specimen is cured. In the second step the other half of the specimen thickness is laminated to the first part and cured, providing also the bonding to the first part. 3.2.2 Co-bonded specimen, with adhesive Laminate of full specimen thickness
16、 which has been manufactured in two steps containing one adhesive layer in the bondline (see figure 2). In the first step a laminate of half the thickness of the specimen is cured. In the second step the other half of the specimen thickness is laminated to the first part including the adhesive layer
17、 and cured. 3.3 Secondary bonded specimen Designation: Table 1 3.3.1 Secondary bonded specimen, laminate Specimen prepared by bonding of two already cured laminates of half specimen thickness each, using suitable fiber reinforced material (see figure 1). 3.3.2 Secondary bonded specimen, adhesive Spe
18、cimen prepared by bonding of two already cured laminates of half specimen thickness each, using suitable adhesive (see figure 2). 3.4 Tensile single lap shear strength Shear strength determined in a tensile test with a single overlapped specimen taken into account the load at rupture and the overlap
19、ping area. 3.5 Nominal thickness Nominal thickness is defined as the thickness a laminate shall achieve taken into account a specific number of layers and the cured ply thickness of the single layer. Cured ply thickness is based on the amount of fiber involved and the optimum fiber content. It can b
20、e calculated taken into account the fiber areal weight, density of fiber and resin and the defined optimum fiber content related to the material involved. Page 5 prEN 6060 : 1995 Description block 4 Principle of the method Identity block A fiber reinforced specimen with single overlap area will be l
21、oaded in a tensile test. Load will be applied continuously to a supported or unsupported specimen until it fails in shear mode in the overlap area. The tensile single lap shear strength will be calculated. Number of this standard Specimen type I (see table 1) Laminate configuration 1 (see table 1) 6
22、 Apparatus 6.1 Tensile testing machine, accurate to within 1 % in the load range used, capable of operating at a crosshead speed of 1 mm/min. 6.2 Vernier calliper accurate to 0,l mm. 6.3 Temperature chamber applied to the testing machine covering the needed test temperatures with an accuracy of f 3
23、O C. 6.4 Temperature measuring equipment accurate to t 0,2% at the applied test temperature ranges. 6.5 Moisture chamber covering the requirement of EN 2743 and EN 2823, if needed. 6.6 Machining equipment able to provide the slots and the cuts in the needed accuracy and quality adopted to the materi
24、als involved to prepare the specimens. 7 Test specimen 7.1 Number of specimens Five specimens shall be tested per test condition, except when otherwise specified in the Technical/Material Specification. AECMA PREN*bObO 95 3032333 0030238 T13 W Page 6 prEN 6060 : 1995 7.2 Preparation 7.2.1 Panels The
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