1、 AEROSPACE MATERIAL SPECIFICATION Carbon Fiber Tape and Sheet Epoxy Resin Impregnated G 90,000 (621) Tensile, 40,000,000 (276) Modulus, 80 (176) SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of t
2、his report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefrom, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which time it may be reaffirmed, revised, or ca
3、ncelled. SAE invites your written comments and suggestions. Copyright 2005 SAE International All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, wi
4、thout the prior written permission of SAE. TO PLACE A DOCUMENT ORDER: Tel: 877-606-7323 (inside USA and Canada) Tel: 724-776-4970 (outside USA) Fax: 724-776-0790 Email: custsvcsae.org SAE WEB ADDRESS: http:/www.sae.org AMS 3894/7BIssued JUN 1974 Revised JAN 1989 Reaffirmed JUN 2005 Superseding AMS 3
5、894/7A 1. SCOPE:1.1 Form:This specification covers one type of epoxy-resin-impregnated carbonfibers in the form of tape and sheet.1.2 Application: Primarily for use in structural composites requiring very highmodulus of elasticity in tension and high tensile strength up to 80C(176F).1.3 Classificati
6、on:G 90,000 psi (621 MPa) tensile strength, 40,000,000 psi(276 GPa) tensile modulus carbon fiber impregnated with epoxy resin forservice up to 80C (176F).2. APPLICABLE DOCUMENTS: See AMS 3894.3. TECHNICAL REQUIREMENTS:3.1 Basic Specification: The complete requirements for procuring the productdescri
7、bed herein shall consist of this document and the latest issue of thebasic specification, AMS 3894.3.2 Material:The product shall be AMS 3892/4 very high modulus carbon fibersimpregnated with epoxy resin formulated to meet the requirements specifiedherein.3.2.1 Storage Life:The product shall meet th
8、e requirements of thisspecification when tested at any time up to six months from date ofreceipt by purchaser provided it has been stored in the original unopenedcontainers at not higher than -18C (0F).Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or
9、 networking permitted without license from IHS-,-,-SAE - 2 - AMS 3894/7B AMS 3894/7B3.2.2 Working Life: The product shall meet the requirements of thisspecification when tested after continuous exposure for up to 20within the re lative humidity and temperature limits shown in Fig,days1.l8 21 24 27C(
10、64)TemperatureFigure 13.3 Properties of Uncured Impregnated Product: Shall be as specified in 3.3.1through 3.3.5. Tests shall be performed on the product after warming toabove the dew point prior to sampling and in accordance with test methodslisted in the basic specification.3.3.1 Volatile Content,
11、 % of resin weight, maximum1.5Test temperature: 150C 5 (302F 9)Test time: 15 - 60 minutes3.3.2 Resin Solids Content, % by weightPreproduction Value 33.3.3 Resin Flow, % by weight3.3.4 Gel Time, minimum10 - 30Preproduction Value lO%3.3.5 TackShall adhere for not lessthan 30 minutes3.4 Properties of C
12、ured Laminates:Shall be as follows, determined on specimenscut from a test panel prepared as specified in the basic specification andtested in accordance with test methods specified therein:(70)(75)(81F)Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction o
13、r networking permitted without license from IHS-,-,-SAE - 3 - AMS 3894/7B AMS 3894/7B3.4.1 Mechanical Properties: Shall be as specified in Table I.3.4.2 Density: Shall be determined on the test laminate used to determinemechanical properties;values for each test laminate shall be reported.Fiber dens
14、ity and cured resin density shall also be reported.3.4.3 Void Content:Shall be not greater than 1%.4. QUALITY ASSURANCE PROVISIONS: See AMS 3894,5. PREPARATION FOR DELIVERY: Shall be in accordance with AMS 3894 and thefollowing:5.1 Exterior package marking shall indicate storage temperature of “-18C
15、 (0F),maximum“.6. ACKNOWLEDGMENT: See AMS 3894.7. REJECTIONS: See AMS 3894.8. NOTES: See AMS 3894.Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE - 4 - AMS 3894/7B AMS 3894/7BCopyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
