1、 AEROSPACE MATERIAL SPECIFICATION Carbon Fiber Tape and Sheet Epoxy Resin Impregnated G 200 (1379) Tensile, 18.0 (124) Modulus, 120 (248) 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 rep
2、ort 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 cancelled
3、. 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, without t
4、he 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 3894/17AIssued JAN 1987 Revised NOV 1994 Reaffirmed JUN 2005 Superseding AMS 3894/17
5、 1. SCOPE:1.1 Form:This specification covers one type of epoxy-resin-impregnated carbon fibersin the form of tape and sheet.1.2 Application:These products have been used typically in structural composites requiringhigh tensile strength up to 120 C (248 F), but usage is not limited to suchapplication
6、s.1.3 Classification:G 200 ksi (1380 MPa) tensile strength, 18.0 Msi (124 GPa) tensile moduluscarbon fiber impregnated with epoxy resin for service up to 120 C (248 F)2. APPLICABLE DOCUMENTS:See AMS 3894 and the following:2.1 SAE Publications:Available from SAE, 400 Commonwealth Drive, Warrendale, P
7、A 15096-0001.AMS 3729 Epoxy, Resin Matrix, Thermosetting, Moderate TemperatureResistant, UnfilledAMS 3892/9 Tow, Carbon Fibers, For Structural Composites, 500 (3447) TensileStrength, 33 (221) Tensile ModulusARP1610 Physical-Chemical Characterization Techniques, Epoxy Adhesive andPrepreg Resin System
8、sCopyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE - 2 - AMS 3894/17A AMS 3894/17A2.2 ASTM Publications:Available from ASTM, 1916 Race Street, Philadelphia, PA 19103-1187.ASTM D 790 Flexural Proper
9、ties of Unreinforced and Reinforced Plastics andElectrical Insulating MaterialsASTM D 790MFlexural Properties of Unreinforced and Reinforced Plastics andElectrical Insulating Materials (Metric)3.TECHNICAL REQUIREMENTS:3.1Basic Specification:The complete requirements for procuring the product describ
10、ed herein shallconsist of this document and the latest issue of the basic specification,AMS 3894.3.2Material:The product shall be AMS 3892/9 high tensile strength carbon fibersimpregnated with epoxy resin formulated to meet the requirements specifiedherein.3.2.1 Epoxy Resin: Shall be a thermosetting
11、 formulation meeting the requirementsof AMS 3729 and capable of impregnating carbon fiber tape or sheet.3.2.1.1 Epoxy Resin DSC: Resin in the uncured prepreg shall exhibit an exothermpeak temperature of 202 to 222 C (396 to 432 F) at 5 C/minute,determined in accordance with ARP1610.3.2.2 Storage Lif
12、e: The product shall meet the 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 -18 C (0 F).3.2.3 Working Life: The product shall meet the requirements of thi
13、sspecification when tested after continuous exposure for up to 20 dayswithin the relative humidity and temperature limits shown in Figure 1.Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE - 3 - A
14、MS 3894/17A AMS 3894/17AFIGURE 13.3 Properties of Uncured Impregnated Product:Shall be as shown in Table 1; tests shall be performed on the product afterwarming to above the dew point prior to sampling and in accordance with testmethods listed in the basic specification and as shown in Table 1.TABLE
15、 1 - Properties of Uncured ProductTestParagraph Property Requirement Method3.3.1 Volatile Content, % of resinweight,maxTest temperature: 150 C 5 (302 F 9)Test time: 15 to 60 minutes3.3.2 Resin Solids Content, % by weight3.3.3 Resin Flow, % by weight3.3.4 Gel Time, min3.3.5 Tack1.5Preproduction Value
16、 35 to25Preproduction Value 10%Shall adhere for not less thanASTM D 3530ASTM D 3529ASTM D 3531ASTM D 353230 minutes3.4 Properties of Cured Laminates:Shall be as follows, determined on specimens cut from a test panel preparedas specified in the basic specification. The specific cure cycle is given in
17、3.4.1 and Figure 2. The cured laminates shall be tested in accordance withtest methods specified in the basic specification.Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE - 4 - AMS 3894/17A AMS
18、3894/17A3.4.1 Cure Cycle:FIGURE 23.4.1.1 While maintaining a vacuum of 20 to 29 inches (508 to 737 mm) mercury,pressurize autoclave to 85 psi 5 (586 kPa 34).3.4.1.2 Raise part temperature to 115 C 5 (239 F 9) in 20 to 120 minutes.Hold at 115 C 5 (239 F 9) for 60 to 70 minutes while maintaining avacu
19、um of 20 to 29 inches (508 to 737 mm) mercury and 85 psi 5(586 kPa 34) autoclave pressure.3.4.1.3 After completion of hold at 115 C 5 (239 F 9), increase autoclavepressure to 100 psi 5 (689 kPa 34). When 95 psi (655 kPa) pressureis reached, vent vacuum lines to atmosphere and increase temperature to
20、175 C 5 (347 F 9) in 15 to 80 minutes.3.4.1.4 Hold at 175 C 5 (347 F 9) for 110 to 130 minutes while maintaining100 psi 5 (689 kPa 34) autoclave pressure.3.4.1.5 Cool, under not less than 10 psi (69 kPa) autoclave pressure, to 93 C(199 F) not less than 30 minutes.3.4.2 Post Cure: To raise the resin
21、matrix glass transition temperature andobtain optimum laminate mechanical properties, post cure by heating for4 to 5 hours at bag pressure in an oven or by continuing the 175 C 5(347 F 9) autoclave cycle by holding for an additional 4 to 4.5 hours atnot less than 10 psi (69 kPa) pressure. Cool as de
22、scribed in 3.4.1.5.Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE - 5 - AMS 3894/17A AMS 3894/17A3.4.3Mechanical Properties: Shall be as specified in Table 2.TABLE 2- Minimum Average Mechanical
23、Properties of Cured LaminatesPropertyValue(1)TestTemperature(3)-55 C 5(-67 F 9)Value(1)TestTemperature(3)-55 C 5(-67 F 9)Value(1) Value(1) Value(1) Value(1)Test TestTemperature(3) Temperature(3)Test TestTemperature(3) Temperature(3)20 to 30 C 20 to 30 C 120 C 5 120 C 5(68 to 86 F) (68 to 86 F) (248
24、F 9) (248 F 9)Tensile Strength(2)LongitudinalTransverse200 ksi 1,379MPa 200 ksi 200 1,379MPa6.20ksi 43MPa 6.8ksi1,379MPa47MPa 5.60ksiksi 39MPaTensile Modulus(2)LongitudinalTransverse18.0 Msi 124 GPa 18.0 Msi 124 GPa 1171.40Msi9.65GPa 1.40Msi 9.65GPa17.0 Msi1.30Msi 8.96GPaGPaCompressive Strength(2)Lo
25、ngitudinalTransverseTBR(4) TBR TBR TBR TBR TBRNA(5)NA TBR TBR TBR TBRCompressive Modulus(2)LongitudinalTransverseFlexural Strength(2)(6)LongitudinalFlexural Modulus(2)(3)LongitudinalTBRNANANATBRNA TBRNANATBR240 ksi16.0 MsiTBR TBR TBRTBR TBR TBR1.60 MPa TBR TBR110 GPa TBR TBRInterlaminar Shear 17,000
26、 117 15.0ksi 103MPa 9.0MPa 62MPaStrenqthNOTES:(1)Avarage of four determinations per test. No individual value shall be less than 90% of the average valuespecified.(2)Property values are based on a test laminate with a fiber volume of 62% 1. Certain property values may beadjusted for other fiber volu
27、mes of the test laminate by multiplying the listed requirement by the ratio:Actual Fiber Volume. %/62. When such adjustment is used, report the actual fiber volume of the test laminate.(3)Test after not less than 30 minutes exposure to the test temperature.(4)TBR - To be reported in preproduction te
28、st report.(5)NA - Not applicable.(6)Flexure properties determined in accordance with ASTM D 790 or ASTM D 790M.3.4.4 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 a
29、lso be reported.3.4.5 Void Content: Shall be not greater than 1%, determined in accordance withASTM D 2734.4.QUALITY ASSURANCE PROVISIONS:See AMS 3894.5.PREPARATION FOR DELIVERY:See AMS 3894 and the following:5.1 Exterior package marking shall indicate storage temperature of -18 C (0 F)maximum.6.ACK
30、NOWLEDGMENT:See AMS 3894.Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE - 6 - AMS 3894/17A AMS 3894/17A7. REJECTIONS:See AMS3894.8. NOTES:See AMS 3894andasfollows:8.1 The term “Msi“as usedin this specification for tensile modulus value isdefined as “million pounds per square inch.“PREPARED UNDER THE JURISDICTION OF AMS COMMITTEE “P“Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
