ISO-1268-4-2005.pdf
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1、 Reference number ISO 1268-4:2005(E) ISO 2005 INTERNATIONAL STANDARD ISO 1268-4 First edition 2005-03-15 Fibre-reinforced plastics Methods of producing test plates Part 4: Moulding of prepregs Plastiques renforcs de fibres Mthodes de fabrication de plaques dessai Partie 4: Moulage des primprgns ISO
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5、n below. ISO 2005 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISOs member
6、body in the country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ii ISO 2005 All rights reserved ISO 1268-4:2005(E) ISO 2005 All rights reserved iii Contents Page
7、 Forewordiv 1 Scope1 2 Normative references .1 3 Health and safety 1 4 Principle.2 5 Apparatus.2 6 Procedure.4 7 Determination of the quality of the test plates.8 8 Precision8 9 Test plate preparation report.8 Annex A (normative) Stacking designation system .10 Annex B (informative) Precision .13 Bi
8、bliography .14 -,-,- ISO 1268-4:2005(E) iv ISO 2005 All rights reserved Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO tech
9、nical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely
10、 with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft I
11、nternational Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document
12、 may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 1268-4 was prepared by Technical Committee ISO/TC 61, Plastics, Subcommittee SC 13, Composites and reinforcement fibres. This first edition cancels and replaces ISO 9353:1991, w
13、hich has been technically revised. It considers input from prEN 2565, EN 2374 and ASTM D 5687. ISO 1268 consists of the following parts, under the general title Fibre-reinforced plastics Methods of producing test plates: Part 1: General conditions Part 2: Contact and spray-up moulding Part 3: Wet co
14、mpression moulding Part 4: Moulding of prepregs Part 5: Filament winding Part 6: Pultrusion moulding Part 7: Resin transfer moulding Part 8: Compression moulding of SMC and BMC Part 9: Moulding of GMT/STC Part 10: Injection moulding of BMC and other long-fibre moulding compounds General principles a
15、nd moulding of multipurpose test specimens Part 11: Injection moulding of BMC and other long-fibre moulding compounds Small plates -,-,- INTERNATIONAL STANDARD ISO 1268-4:2005(E) ISO 2005 All rights reserved 1 Fibre-reinforced plastics Methods of producing test plates Part 4: Moulding of prepregs 1
16、Scope This part of ISO 1268 describes the preparation of test plates from layers of preimpregnated unidirectional fibre or fabric (prepregs) under pressure and temperature in various types of equipment (for example, autoclave, bladder press, hydraulic press or vacuum bag equipment). It applies to al
17、l reinforcements and resins. This method is applicable to reinforcements preimpregnated either with a partially cured thermosetting resin or with a thermoplastic resin. The test plate is formed by stacking layers of the preimpregnated material in the required sequence and orientation, followed by co
18、mpaction and final consolidation under pressure/vacuum at a temperature above ambient. The prepared test plates are subsequently machined into the required test specimens. Standard plates prepared in this manner may be used either for evaluating the components, i.e. the reinforcement, finish, resin,
19、 etc., or for verifying the overall quality of the finished product. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced do
20、cument (including any amendments) applies. ISO 291, Plastics Standard atmospheres for conditioning and testing ISO 1172, Textile-glass-reinforced plastics Prepregs, moulding compounds and laminates Determination of the textile-glass and mineral-filler content Calcination methods ISO 1183 (all parts)
21、, Plastics Methods for determining the density of non-cellular plastics ISO 1268-1, Fibre-reinforced plastics Methods of producing test plates Part 1: General conditions ISO 2818, Plastics Preparation of test specimens by machining ISO 7822, Textile glass reinforced plastics Determination of void co
22、ntent Loss on ignition, mechanical disintegration and statistical counting methods 3 Health and safety See ISO 1268-1. -,-,- ISO 1268-4:2005(E) 2 ISO 2005 All rights reserved 4 Principle Standard plates, intended for the preparation of test specimens, are produced from fibre-reinforced prepregs by c
23、utting the required number of layers to size and stacking them in the required sequence and orientation. The stack of prepregs is initially consolidated and trapped air removed using mechanical compaction and/or an applied vacuum. The assembled stack, normally sealed in an evacuated vacuum bag, is t
24、hen finally consolidated using one of several possible combinations of heat and pressure depending on the equipment used and the material suppliers processing instructions. Suitable processing routes include using an autoclave, a pressclave, an applied vacuum only or a hydraulic press. Plates with f
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