1、 AEROSPACE MATERIAL SPECIFICATION Carbon Fiber Tape and Sheet Epoxy Resin Impregnated G 90,000 (621) Tensile, 40,000,000 (276) Modulus, 175 (347) 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
2、this 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 c
3、ancelled. 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, w
4、ithout 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 3894/14AIssued OCT 1983 Revised JAN 1989 Superseding AMS 3894/14 1. SCOPE:1.
5、1Form: This specification covers one type of epoxy-resin-impregnated carbonfibers in the form of tape and sheet.1.2Application: Primarily for use in structural composites requiring very highmodulus of elasticity in tension and high tensile strength up to 175C(347F).1.3Classification: G 90,000 psi (6
6、21 MPa) tensile strength, 40,000,000 psi(276 GPa) tensile modulus carbon fiber impregnated with epoxy resin forservice up to 175C (347F).2. APPLICABLE DOCUMENTS: See AMS 3894.3. TECHNICAL REQUIREMENTS:3.1Basic Specification: The complete requirements for procuring the productdescribed herein shall c
7、onsist of this document and the latest issue of thebasic specification, AMS 3894.3.2Material: 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 the requirements of
8、 thisspecification when tested at any time up to 6 months from date of receiptby purchaser provided it has been stored in the original unopenedcontainers at not higher than -18C (0F).Reaffirmed JUN 2005 Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction o
9、r networking permitted without license from IHS-,-,-SAE - 2 - AMS 3894/14A AMS 3894/14A3.22 Working Life: The product shall meet the requirements of thisspecification when tested after continuous exposure for up to 20 dayswithin the relative humidity and temperature limits shown in Figure 1.Temperat
10、ureFigure 13.3 Properties of Uncured Impregnated Product: Shall be as follows; tests shallbe performed on the product after warming to above the dew point prior tosampling and in accordance with test methods listed in the basicspecification:3.3.1 Volatile Content, % of resin weight, maximum 1.5Test
11、temperature: 150C 5 (302F 9)Test time: 15 - 60 minutes -3.3.2 Resin Solids Content, % by weightPreproduction Value 33.3.3 Resin Flow, % by weight 10 - 303.3.4 Gel Time, minimumPreproduction Value 10%3.3.5 TackShall adhere for not lessthan 30 minutes3.4 Properties of Cured Laminates: Shall be as foll
12、ows, determined on specimenscut from a test panel prepared as specified in the basic specification andtested in accordance with test methods specified therein:3.4.1 Mechanical Properties: Shall be as specified in Table 1.3.4.2 Density: Shall be determined on the test laminate used to determinemechan
13、ical properties; values for each test laminate shall be reported.Fiber density and cured resin density shall also be reported.Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE - 3 - AMS 3894/14A AM
14、S 3894/14A3.4.3 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 packaging shall indicate storage temperature of -18C (0F) maximum.6 . ACKNOWLEDGMENT: See AMS 389
15、4.7 . 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 3894/14A AMS 3894/14ATABLE IMECHANICAL PROPERTIES OF CURED LAMINATESValue (1)Test
16、Temperature (3)-55C 520-30C175C 5(-67F 9)(68-86F)(347F 9)Property (2)psiMPapsiMPapsiMPaTensile Strength, minimumLongitudinalTBR(4)TBR90,000621TBRTBRTransverseTBRTBRTBRTBRTBRTBRTensile Modulus, minimumLongitudinalTBRTBR40,000,000275,790TBRTBRTransverseTBRTBRTBRTBRTBRTBRCompressive Strength, minimumLo
17、ngitudinalTBRTBRTBRTBRTBRTBRTransverseNA(5)NATBRTBRTBRTBRCompressive Modulus, minimumLongitudinalTBRTBRTBRTBRTBRTBRTransverseNANATBRTBRTBRTBRFlexural Strength, minimumLongitudinalNANA85,000586TBRTBRFlexural Modulus, minimumLongitudinalNANA34,000,000234,422TBRTBRInterlaminar Shear Strength, minimumTB
18、RTBR8,00055.2TBRTBRNOTES: 1.Average of 4 determinations for each property except interlaminar shear strength. Noindividual value shall be less than 90% of the average value specified.2.Property values are based on a test laminate with a fiber volume of 60% 3. Certain property values may be adjusted
19、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-,-,-
