BS-EN-13706-2-2002.pdf

BRITISH STANDARD BS EN 13706-2:2002 Reinforced plastics composites Specifications for pultruded profiles Part 2: Method of test and general requirements The European Standard EN 13706-2:2002 has the status of a British Standard ICS 83.120; 83.140.99 ? Licensed Copy: sheffieldun sheffieldun, na, Mon Oct 30 05:36:52 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 13706-2:2002 This British Standard, having been prepared under the direction of the Materials and Chemicals Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 11 November 2002 © BSI 11 November 2002 ISBN 0 580 40721 7 National foreword This British Standard is the official English language version of EN 13706-2:2002. The UK participation in its preparation was entrusted to Technical Committee PRI/42, Fibre reinforced thermosetting plastics and prepregs, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 40, an inside back cover and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateComments Licensed Copy: sheffieldun sheffieldun, na, Mon Oct 30 05:36:52 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM EN 13706-2 October 2002 ICS 83.120; 83.140.99 English version Reinforced plastics composites - Specifications for pultruded profiles - Part 2: Methods of test and general requirements Composites en plastique renforcé - Spécification pour les profilés pultrudés - Partie 2: Méthodes d'essai et exigences générales Verstärkte Kunststoffverbundwerkstoffe - Spezifikationen für pultrudierte Profile - Teil 2: Prüfverfahren und allgemeine Anforderungen This European Standard was approved by CEN on 16 September 2002. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels © 2002 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 13706-2:2002 E Licensed Copy: sheffieldun sheffieldun, na, Mon Oct 30 05:36:52 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 13706-2:2002 (E) 2 Contents page Foreword3 1Scope 4 2Normative references 4 3Terms and definitions4 4General requirements5 4.1Appearance.5 4.2Dimensional tolerance.5 4.3Workmanship .5 5Sampling.5 5.1General5 5.2Certificate of Conformity.5 5.3Resolution of quality issues.5 6Preparation of plates and test specimens.5 6.1Manufacture of test plates 6 6.2Preparation of specimens.6 6.3Profile full section test specimens.6 7List of Properties7 8Labelling .8 Annex A (normative) Visual Defects: Descriptions and Acceptance Levels (see also annex C - Workmanship)9 Annex B (normative) Dimensional tolerances for pultruded profiles.12 Annex C (normative) Workmanship .14 Annex D (normative) Determination of effective flexural modulus.16 Annex E (normative) Determination of the pin bearing strength21 Annex F (informative) Recommended test methods for particular requirements.26 Annex G (informative) Determination of flexural, shear and torsional stiffness properties.29 Bibliography40 Licensed Copy: sheffieldun sheffieldun, na, Mon Oct 30 05:36:52 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 13706-2:2002 (E) 3 Foreword This document EN 13706-2:2002 has been prepared by Technical Committee CEN/TC 249 “Plastics“, the secretariat of which is held by IBN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by April 2003, and conflicting national standards shall be withdrawn at the latest by April 2003. Part 2 of this European Standard, EN 13706, defines the test methods and general requirements applicable to the specification of pultruded profiles. EN 13706 consists of the following parts under the general title Reinforced plastics composites - Specifications for pultruded profiles. Part 1: Designation Part 2: Methods of test and general requirements Part 3: Specific requirements Annexes A to E of are normative. Annexes F and G are informative. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. Licensed Copy: sheffieldun sheffieldun, na, Mon Oct 30 05:36:52 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 13706-2:2002 (E) 4 1 Scope 1.1This Part 2 of EN 13706 specifies the general requirements applicable to the specification of all types of pultruded profiles falling within the scope of this specification as defined in Part 1 of EN 13706. 1.2This Part 2 of EN 13706 specifies the properties to be followed in the preparation of test specimens for the determination of mechanical properties required for the designation in Part 1 and the specific requirements in Part 3 of EN 13706. 1.3This Part 2 of EN 13706 also specifies the test methods to be used to determine both the designated and the specified properties given in Parts 1 and 3 respectively of EN 13706. 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, subsequent 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 (including amendments). EN 10204, Metallic products - Types of inspection documents. EN ISO 472, Plastics- Vocabulary (ISO 472:1999). EN ISO 527-4, Plastics - Determination of tensile properties - Part 4: Test condition for isotropic and orthotopic fibre-reinforced plastics composites (ISO 527-4:1997). EN ISO 14125, Fibre-reinforced plastic composites - Determination of flexural properties (ISO 14125:1998). EN ISO 14130, Fibre-reinforced plastic composites - Determination of apparent interlaminar shear strength by short-beam method (ISO 14130:1997). ISO 1268-6, Fibre-reinforced plastics Methods for producing test plates - Part 6: Pultrusion moulding. ISO 5893, Rubber and plastics test equipment Tensile, flexural and compression types (constant rate of traverse) Specification. NOTEOther test methods in Tables F.1 to F.4 of annex F are informative and the full titles are given in those Tables. 3 Terms and definitions For the purposes of this European Standard, the terms and definitions given in EN ISO 472 and the following apply. 3.1 pultrusion continuous production process for the manufacture of composite profiles, by pulling layers of fibrous materials, impregnated with a synthetic resin, through a temperature controlled die, and by curing and/or cooling the resin, forming the final shape of the profile 3.2 pultruded profile linear composite products, produced continuously by the pultrusion process and usually of constant cross section and characteristics Licensed Copy: sheffieldun sheffieldun, na, Mon Oct 30 05:36:52 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 13706-2:2002 (E) 5 3.3 structural area of application of pultruded profiles where the load bearing characteristic is the major criterion of design and where the product is part of a load bearing system. For the purposes of this standard the minimum mechanical properties for a profile to be classified as structural is one which meets the minimum properties of grade E17 as defined in Table 1 of 4.4 in EN 13706-3:2002 3.4 reinforcement layer discrete layer of reinforcement comprising of one type of fibre format, such as unidirectional rovings, mat or fabric 3.5 transverse reinforcement reinforcement included to provide the required level of properties in the direction transverse to the pultrusion axis (e.g. mat, fabric) 4 General requirements 4.1 Appearance The pultrusion shall meet the requirements given in annex A, “Visual Defects: Descriptions and Acceptance Levels”. 4.2 Dimensional tolerance The pultrusion shall meet the requirements given in annex B, “Dimensional Tolerances for Pultruded Profiles”. 4.3 Workmanship The pultrusion shall meet the requirements given in annex C, “Workmanship”. 5 Sampling 5.1 General The properties of pultruded profiles shall be measured by the manufacturer in accordance with a recognised quality control scheme and documented in the form of a certificate of conformity. 5.2 Certificate of Conformity Where required by the customer a certificate of conformity shall be issued identifying both the obligatory properties as defined in EN 13706-3, plus other optional tests as may be agreed between customer and supplier. The certificate shall comply with the requirements of EN 10204. 5.3 Resolution of quality issues In the case when issues of quality arise between customer and supplier, re-testing of the material is necessary. The sampling and tests shall be undertaken as agreed between customer and supplier. 6 Preparation of plates and test specimens Test specimens shall be cut from the profile where the dimensions of the profile permit (see 6.2.2). In other cases, a test plate can be used to simulate the pultrusion for the determination of the laminate properties for design or qualification purposes. Licensed Copy: sheffieldun sheffieldun, na, Mon Oct 30 05:36:52 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 13706-2:2002 (E) 6 6.1 Manufacture of test plates Test plates shall be manufactured in accordance with ISO 1268-6 using a flat strip die. For test specimens cut only in the direction of production, the flat strip shall be a minimum of 50 mm wide. If properties perpendicular to the direction of production are required, the flat strip shall be a minimum of 250 mm wide. The thickness of the flat strip shall be the same as the profile being simulated. The raw materials used, the laminate construction and the production parameters (die temperature, pull speed, etc.) of the test plate shall match as closely as possible the intended production conditions of the profile being simulated. 6.2 Preparation of specimens 6.2.1 Dimensions Test specimens shall be cut to the dimensions and tolerances given in the individual test methods. 6.2.2 Cutting of test specimens Test specimens shall not be taken closer than 10 mm to the edges or change in section of a profile. The cutting of test specimens shall be undertaken in such a way that any resultant edge defects do not adversely affect the test results. One of the following three procedures may be used. 6.2.2.1 Milling Test specimens may be cut from the test plaque using a duplicating or CNC milling machine. 6.2.2.2 Sawing Test specimens may be cut from the test plaque using a circular saw fitted with a hardened metal or diamond edged saw blade. Alternative techniques such as laser or water jet cutting are also acceptable if meeting the above quality requirements. 6.2.2.3 Pre-cutting Test specimens may be cut by any convenient means to a minimum of 5 mm over the specified width of the test specimen. 5 or 10 test specimens may then be packed together and milled to size as a block. 6.3 Profile full section test specimens A profile full section test shall be used to determine the effective full section flexural modulus as required in clause 4 of EN 13706-3:2002 using the test method described in annex D. Samples for the profile full section test shall be selected in accordance with the criteria given in clause 5 of this Part 2. The samples selected shall be cut square at the ends and of sufficient length for the intended test (see annex D of Part 2), and free from obvious production or other defects as listed in annexes B and C. Licensed Copy: sheffieldun sheffieldun, na, Mon Oct 30 05:36:52 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 13706-2:2002 (E) 7 7 List of Properties Table 1 defines the list of material properties which shall be specified and the test methods which shall be used in each case to determine the property value. Table 1 List of properties which shall be specified and associated test methods PropertyUnitTest Method 1.1Full Section testGPaannex D, EN 13706-3 1.2Tension modulus-axialGPa 1.3Tension modulus-transverseGPaEN ISO 527-4 1.4Tension strength-axialMPa 1.5Tension strength-transverseMPa 1.6Pin bearing strength- axialMPaannex E, Part 2 1.7Pin bearing strength-transverseMPa 1.8Flexural strength-axialMPaEN ISO 14125 1.9Flexural strength- transverseMPa 1.10Interlaminar shear strength-axialMPaEN ISO 14130 NOTEIt should be noted that the stacking sequence of the different reinforcements formats (e.g. mat, rovings) produces a “sandwich type” layered structure, which results in differ