1、 AEROSPACE MATERIAL SPECIFICATION Cloth, Organic Fiber, High Modulus Epoxy Resin Impregnated OC Style 328, 80 (180) 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 this report is entirely volunt
2、ary, 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 cancelled. SAE invites your wri
3、tten 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, without the prior written permi
4、ssion 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 3903/8AIssued JUN 1975 Revised JAN 1988 Reaffirmed JUN 2005 Superseding AMS 3903/8 THIS REVISION CONTAINS
5、ONLY EDITORIAL CHANGES.1. SCOPE:1.1 Form: This specification covers one type of epoxy-resin-impregnated organicfibers in the form of woven cloth.1.2 Application: Primarily for use in lightweight composites requiring highstrength in tension at temperatures up to 80C (180F).1.3 Classification: Style 3
6、28 cloth woven from organic fibers, impregnated withepoxy resin for service at temperatures up to 80C (180F).2. APPLICABLE DOCUMENTS: See AMS 3903.3. TECHNICAL REQUIREMENTS:3.1 Basic Specification: The complete requirements for procuring the productdescribed herein shall consist of this document and
7、 the latest issue of thebasic specification, AMS 3903.3.2 Material:The product shall be AMS 3902, Style 328 cloth impregnated withepoxy resin formulated to meet the requirements specified herein.3.2.1 Storage Life: The product shall meet the requirements of thisspecification when tested at any time
8、up to three months from the date ofreceipt by the purchaser, provided it has been stored at a maximumtemperature of -18C (0F) in the original waterproof containers.3.2.2 Working Life: The product shall meet the requirements of thisspecification when tested after exposure at a relative humidity not h
9、igherthan 70% and a temperature not higher than 25C (77F) for a continuousperiod of up to 14 days.Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE - 2 - AMS 3903/8A AMS 3903/8A3.3 Properties of Un
10、cured Impregnated Material: Shall be as follows; testssha11 be performed on the product as-received, after warming to above thedew point prior to sampling, and in accordance with test methods listed inthe basic specification:3.3.1 Volatile Content by weight, max 2%Test temperature: 150C 5 (3OOF 10)T
11、est time: 60 min. 53.3.2 Total Nonfiber Content by weight 45% 43.3.3 Resin Flow by weight 10 - 30%3.3.4 Gel time Preproduction value 20%3.3.5 Tack Shall adhere for at least 30 min.3.43.4.1Properties of Cured Laminate: Shall be as follows; tests shalll be performedon specimens cut from a test panel p
12、rep ared as specified in the basicspecification and in accordance with the methods specified therein: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
13、.Fiber density and cured resin density shall also be reported.3.4.3 Void Content: Shall be not greater than 3%.4. QUALITY ASSURANCE PROVISIONS: See AMS 3903.5. PREPARATION FOR DELIVERY: Shall be in accordance with AMS 3903 and thefollowing:5.1 Exterior package marking shall indicate storage temperat
14、ure of “-18C (OF)maximum.“6. ACKNOWLEDGMENT: See AMS 3903.7. REJECTIONS: See AMS 3903.8. NOTES: Shall be in accordance with AMS 3903 and the following:8.1 Marginal Indicia: This revision contains only editorial changes from theprevious issue of this specification and, therefore, no phi (0) symbolsin
15、dicating technical changes are required.Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE - 3 - AMS 3903/8A AMS 3903/8ATABLE IMechanical Properties of Cured LaminatesValue(l)Test Temperature(2)-50C
16、 (-65F)RoomTemperature80C(18OF)Tensile Strength,min(3)Tensile Modulus,min(3)Compressive Strength,min(3)Compressive Modulus,min(3)FlexuralStrength, min(3)FlexuralModulus, min(3)psi MPa psiMPa psi MPaTBR TBR 55,000 380 TBR TBR TBR TBR 3.8 x 106 26,200 TBR TBRTBR TBR 20,000 138 TBR TBR TBR TBR 3.5 x 10
17、624,100 TBR TBRTBRTBR 40,000275 TBR TBRTBRTBR 2.8 xl0619,300 TBR TBRShort Beam Shear Strength,minTBRTBR 6,000 40 TBR TBRNotes: 1. Average of 4 determinations per test.No individual valueshall be less than 90% of the averagevalue specified.2. Test after not less than30min. exposure at the test temper
18、ature.3. Property values are based on a test laminate with a fibervolume of 50%3. Certain propertyvalues may be adjusted for other fiber volumes of the test laminate by multiplying the listedrequirement by the ratio:Actual Fiber Volume,%/50.When such adjustment is used, report theactual fiber volume of the test laminate.4. TBR-To be reported.Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
