BS EN 6031:2015

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Aerospace series. Fibre reinforced plastics. Test method. Determination of in-plane shear properties (± 45° tensile test)

Published By	Publication Date	Number of Pages
BSI	2015	16

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Categories: 49.025.40 - Rubber and plastics, BSI

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Description

This European Standard specifies the procedure for the determination of the in-plane shear strength and modulus of fibre composites. The procedure is based on the uni-axial tensile stress-strain response of a ± 45° laminate which is symmetrically laminated about the mid-plane.

This standard is applicable to composite laminates manufactured from unidirectional tape or woven fabric reinforcement.

This standard does not give any directions necessary to meet the health and safety requirements. It is the responsibility of the user of this standard to consult and establish appropriate health and safety precautions.

PDF Catalog

PDF Pages	PDF Title
4	Contents Page
5	European foreword
6	1 Scope 2 Normative references 3 Terms and definitions
7	4 Principle of the method 5 Designation of the method 6 Apparatus 6.1 Tensile testing machine, accurate to within 1 %, in the load range used. 6.2 Flat face micrometer accurate to the nearest 0,01 mm. 6.3 Vernier caliper accurate to the nearest 0,1 mm. 6.4 This procedure requires load strain data in both the longitudinal and transverse directions. This is accomplished by instrumenting the specimen with longitudinal and transverse strain gauges (5 mm to 10 mm gauge length). The gauges, surface prepar… 6.5 Temperature measuring equipment accurate to ( 0,2 C at the applied test temperature. 6.6 Vacuum bag sealant material. 6.7 Timer/clock.
8	7 Test specimen 7.1 Test specimen description 7.2 Test specimen preparation 7.3 Strain gauges 7.4 Tabs 7.5 Number of test specimens 7.6 Ageing of specimen
9	8 Procedure 8.1 Conditioning 8.2 Determination of dimensions 8.3 Tensile testing 8.4 Elevated and sub-zero temperature tests
10	9 Presentation of the results 9.1 Shear strength (see 3.3) 9.2 Shear modulus (see 3.5) 10 Test report 10.1 Complete identification of the material tested, including at least: material designation, supplier, batch number, roll number, fibre areal weight, filament count, processing details, stacking sequence, test orientation. 10.2 All details regarding specimen preparation (including when applicable: tab material, tab adhesive and curing condition of this adhesive).
11	10.3 The measured specimen dimensions. 10.4 Ageing and/or exposure conditions prior to the test. 10.5 Date of test, facility and identification of individuals performing the tests. 10.6 Equipment method and test parameters used. 10.7 A typical set of load-deformation curves (both longitudinal and transverse). The individual curves shall be kept in file by the test laboratory. 10.8 Individual values, arithmetic mean and standard deviations per group of specimens of shear strength and shear modulus. 10.9 Any incident which may have affected the results and any deviation from this standard.

Additional information

Status	Definitive
Pages	16
Publication Date	2015-11-30
ISBN	978 0 580 86120 8
Standard Number	BS EN 6031:2015
Title	Aerospace series. Fibre reinforced plastics. Test method. Determination of in-plane shear properties (± 45° tensile test)
Identical National Standard Of	EN 6031:2015
Descriptors	Specimen preparation, Air transport engineering, Fibres, Reinforcing materials, Plastics, Reinforced materials
Publisher	BSI
Committee	ACE/65
ICS Codes	49.025.40 - Rubber and plastics

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BS EN 6031:2015

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