1、 AEROSPACE MATERIAL SPECIFICATION Carbon Fiber Tape and Sheet Epoxy Resin Impregnated G 70,000 (483) Tensile, 36,000,000 (248) 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 3894/8BIssued JUN 1974 Revised JAN 1989 Reaffirmed JUN 2005 Superseding AMS 3
5、894/8A 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 highmodulus up to 880C (176F).1.3 Classification: G 70,000 psi (483 MPa) tensile strength, 36,000,0
6、00 psi(248 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 productdescribed herein shall consist of this document and the la
7、test issue of thebasic specification, AMS 3894.3.2 Material: The product shall be AMS 3892/5 very high modulus carbon fibersimpregnated with epoxy resin formulated to meet the requirements specifiedherein.3.2.1 Storage Life: The product shall meet the requirements of thisspecification when tested at
8、 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 (OF).3.2.2 Working Life: The product shall meet the requirements of thisspecification when tested after continuous exposure for up to 20days within the r
9、elative humidity and temperature limits shown in Fig. 1.Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE - 2 - AMS 3894/8B AMS 3894/8BFigure 13.3 Properties of Uncured Impregnated Product: Shall b
10、e 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, % of Resin weight, maximum 1.5Test temperature: 150C 5 (248F 9)3.3.2 Resin
11、Solids Content, % by weight Preproduction Value 33.3.3 Resin Flow, % by weight 10 - 303.3.4 Gel Time, minimum Preproduction Value 10%3.3.5 Tack Shall adhere for not lessthan 30 minutes3.4 Properties of Cured Laminates: Shall be as follows, determined on specimenscut from a test panel prepared as spe
12、cified in the basic specification andtested in accordance with test methods specified therein:3.4.1 Mechanical Properties: Shall be as specified in Table I.Test time: 15 - 60 minutes(302 F 9)Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking
13、 permitted without license from IHS-,-,-SAE - 3 - AMS 3894/8B AMS 3894/8B3.4.2 Density: Shall be determined on the test laminate used to determinemechanical properties; values for each test laminate shall be reported.Fiber density and cured resin density shall also be reported.3.4.3 Void Content: Sh
14、all 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 (0F)maximum“.6. ACKNOWLEDGMENT: See AMS 3894.7. REJECTIONS: See AMS 389
15、4.8. 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 3894/8B AMS 3894/8BMPa 431 TBR234,422 TBRTBRTBRTBR TBR552213,73737.980C 5(176F 9)psi 62,500 TBR 34.0 x 106TBR TB
16、RTBRTBR TBR80,00031.0 x 1065,500MPa 483 TBR248,211TBR 483 TBR227,527TBR 621227,52741.4Value (1) Test Temperature (3)20 - 30C(68 - 86F)psi 70,000 TBR 36.0 x 106TBR 70,000TBR33.0 x 106TBR 90,00033.0 x 1066,000MPaTBR TBR TBR TBR TBRNATBRNANA NA-55C 5(-67F 9)psi TBR (4) TBR TBR TBR TBR NA (5) TBR NA NA
17、NA TBR TBRTABLE IMECHANICAL PROPERTIES OF CURED LAMINATESProperty (2) Tensile Strength, minimum Longitudinal TransverseTensile Modulus, minimum Longitudinal Transverse Compressive Strength, minimum LongitudinalTransverseCompressive Modulus, minimum Longitudinal Transverse Flexural Strength, minimum
18、Longitudinal Flexural Modulus, minimum Longitudinal Interlaminar Shear Strength, minimumNOTES: 1. Average of 4 determinations for each property except interlaminar shear strength.No individual value shall be less than 90% of the average value specified.2. Property values are based on a test laminate
19、 with a fiber volume of 60% 3.Certain property values may be adjusted for other fiber volumes of the test laminate by multiplying the listed requirement by the ratio: Actual Fiber Volume, %/60. When such adjustment is used, report the actual fiber volume of the test laminate.3. Test after not less than 30 minutes exposure at the test temperature. 4.TBR - To be reported in preproduction test report.5. NA - Not applicable.Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
