1、The Engineering SocietyFor Advancing MobilityLand Sea Air and SpaceINTERNATIONALMATERIAL400 Commonwealth Drive, Warrendale, PA 15096-0001SPECIFICATIONSubmitted for recognition as an American National StandardSuperseding AMS 3895ABROADGOODS AND TAPE, CARBON FIBER-EPOXY RESIN IMPREGNATEDMulti-Ply, Uni
2、form Fiber1. SCOPE:1.1 Form:This specification covers epoxy-resin-impregnated carbon-fiber broadgoods andtape in the form of multi-plied unidirectional layers constructed from theape in the form of multi-plied unidirectional layers constructed from thesame or uniform fibers and supplied as broadgood
3、 rolls, tape, or cut sheet.The individual ply orientation shall be as ordered.1.2 Application:These products have been used typically for fabricating high-strength andhigh-modulus composite parts, using either hand-layup or a machine forautomated-tape-layup, but usage is not limited to such applicat
4、ions.1.3 Safety - Hazardous Materials:While the materials, methods, applications, and processes described orreferenced in this specification may involve the use of hazardous materials,this specification does not address the hazards which may be involved in suchuse. It is the sole responsibility of t
5、he user to ensure familiarity withthe safe and proper use of any hazardous materials and to take necessaryprecautionary measures to ensure the health and safety of all personnelinvolved.2. APPLICABLE DOCUMENTS:The following publications form a part of this specification to the extentspecified herein
6、. The latest issue of SAE publications shall apply. Theapplicable issue of other publications shall be the issue in effect on thedate of the purchase order.SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. T
7、he use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringementarising 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, revis
8、ed, or cancelled. SAE invites your writtencomments and suggestions.Copyright 1994 Society of Automotive Engineers, Inc.All rights resewed. Printed in U.S.A.AMS 3895BIssued OCT 1980Revised JUL 1994AEROSPACECopyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction
9、 or networking permitted without license from IHS-,-AMS 3895B SAE AMS 3895B2.1 SAE Publications:Available from SAE, 400 Commonwealth Drive, Warrendale, PA 15096-0001.AMS 2825 Material Safety Data SheetsAMS 3894 Carbon Fiber Tape and Sheet, Epoxy Resin ImpregnatedAMS 3898 Interleaf Carrier Material,
10、Composite Tape2.2 U.S. Government Publications:Available from DODSSP, Subscription Services Desk, Building 4D, 700 RobbinsAvenue, Philadelphia, PA 19111-5094.MIL-STD-2073-1 DOD Materiel, Procedures for Development and Application ofPackaging Requirements2.3 AIA Publications:Available from National S
11、tandards Association, Inc., 1321 14th Street, N.W.,Washington, DC 20005.NAS 992 Reel, Composite Filament Tape, Automated Machine Layup3. TECHNICAL REQUIREMENTS:3.1 Material:3.1.1 The product shall consist of superimposed, unidirectional plies ofepoxy-resin impregnated carbon-fiber broadgoods or tape
12、. Each ply shallconform to the requirements of AMS 3894 and its applicable detailspecification, and shall be of the orientation specified.3.1.1.1 When specified, the broadgoods product shall be supplied in sheet form ofspecified length and width.3.1.2 Designation: Each product construction shall be
13、identified by thefiber/impregnating resin specification number, followed by the individualply direction in brackets, each ply indicated by the direction code, asfollows: (See 8.2 for examples)a. Fiber/impregnation resin detail specification: 3894/*=Detail Specification number, as applicable.-2-Copyr
14、ight SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-b. Ply direction: 045= longitudinal fiber direction= 45 degrees from longitudinal, (right bias,often designated +45)90 = 90 degrees or perpendicular135 = 135
15、degrees from longitudinal, (left bias,often designated -45)c. Number of plies: (0) = One ply, longitudinal(0/0) = Two plies, longitudinal3.1.2.1 Example:3894/2 (O/45/90) = Three ply, AMS 3894/2 in each ply, longitudinal(0 degree) fiber direction in first (bottom) ply,right bias (45 degree) fiber dir
16、ection in second(center) ply, and perpendicular (90 degree) fiberdirection in third (top) ply.3.2 Storage Life:The product shall meet the requirements of 3.4 when tested at any time up tothree months from date of receipt by purchaser provided it has been stored inthe original sealed bags at a temper
17、ature not higher than -18 C (0 F).3.3 Working Life:The product shall meet the requirements of 3.4 when tested after continuousexposure for 14 days within the relative humidity and temperature limitsshown in Figure 1.63554535Q 25-3-Relative Humidity,%SAE AMS 3895BAMS 3895BCopyright SAE International
18、Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-AMS 3895B SAE AMS 3895B3.4 Properties:The product shall conform to the requirements of AMS 3894 and its applicabledetail specification and the following:3.4.1 Uncured Product: Tests
19、 shall be performed on the product supplied, afterwarming to above the dew point prior to opening the heat sealed bag forsampling, and in accordance with the test procedures specified herein andin AMS 3894, as applicable.3.4.1.1 Bending: The product shall withstand, without visible material damage,b
20、ending through an angle of 180 degrees around a l.O-inch (25-mm)diameter mandrel with the 0 degree ply direction perpendicular to theaxis of bend; 10X magnification shall be used in examination for damage.3.4.1.2 Tack, Time Adherence: Specimens shall adhere for not less than30 minutes, determined in
21、 accordance with 4.5.2.3.4.1.3 Tack, Peel Strength: Shall be the preproduction value established as in4.4.1 10% determined in accordance with 4.5.3.3.4.2 Cured Laminate: When required by purchaser, tests shall be performed onspecimens cut from laminates prepared in accordance with 4.5.1.3.5 Quality:
22、The product, as received by purchaser, shall be uniform in quality andcondition, free from foreign materials, and, in addition to the requirementsof 3.5.1, free from imperfections detrimental to usage of the product.3.5.1 Visual Inspection Criteria: Shall be as shown in Table 1. In addition toVisual
23、 Inspection Criteria: Shall be as shown in Table 1. In addition tothe requirements specified in AMS 3894 and its applicable detailspecification for each ply, visible indications of voids between plies,incorrectly positioned impregnated material (excessive gap or overlap), orirregular interleaf carri
24、er shall be unacceptable if the total length ofeach area exceeds limits indicated in Table 1, determined in accordancewith 4.5.4. Examination of interior plies may be made by any suitablenondestructive method, such as radiographic inspection, agreed upon bypurchaser and supplier.-4-Copyright SAE Int
25、ernational Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-AMS 3895B SAE AMS 3895BTABLE 1-Visual Inspection CriteriaImperfectionsPly Count and Fiber OrientationFlatnessAcceptance CriteriaShall be as designedShall not exceed 0.075
26、 inch(1.90 mm)for each inchShall not curl after separatorhas been removedVoids between plies(R)Shall not exceed 2%Between adjacent AMS 3894material in the same plyGapShall not exceed 0.040 inch(1.02 mm)OverlapShall not exceed 0.030 inch(0.76 mm)Butt SplicesRippled interleaf carrierNoneNone, or as ag
27、reed upon bypurchaser and vendor3.6 Tolerances:Shall be as follows:3.6.1 Broadgoods Roll-Width:Shall be as specified in Table 2.TABLE 2A -Width Tolerances, Inch/Pound UnitsToleranceToleranceNominal WidthInchInchInchesPlusMinusUpto 12.000,excl0.125 012.000to 30.000,excl0.188 030.000 to 48.000,excl0.2
28、50 048.000 and overAs agreed upon-5-Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-AMS3895BAMS 3895BTABLE 2B-Width Tolerances, SIUnitsToleranceToleranceNominal WidthMillimetersMillimeterMillimetersPlu
29、sMinusUp to 304.80, excl 3.18 0304.80 to 762.00, excl 4.780 762.00 to 1219.20, excl 6.35 01219.20 and over As agreed upon3.6.2 Broadgoods Sheet -Length and Width:Shall be as specified for productwidth in Table 2.4. QUALITY ASSURANCE PROVISIONS:4.1 Responsibility for Inspection:(R)The manufacturer of
30、 the product shall supply all samples for required testsand shall be responsible for performing all required tests.Purchaserreserves the right to sample and to perform any confirmatory testing deemednecessary to ensure that the product conforms to the requirements of thisspecification.4.2 Classifica
31、tion of Tests:4.2.1 Acceptance Tests:Tests for construction (3.1.1),bending (3.4.1.1),tack(3.4.1.2 and 3.4.1.3),quality (3.5),and tolerances (3.6) are acceptancetests and shall be performed on each lot.4.2.2 PreproductionTests:Tests for all technical requirements arepreproduction tests and shall be
32、performed prior to or on the initialshipment of the product by the manufacturer, when a change in ingredientsand/or processing requires reapproval as in 4.4.2, and when purchaser deemsconfirmatory testing to be required.4.2.2.1 For direct U.S. Military procurement,substantiating test data and, whenr
33、equested, preproduction test material shall be submitted to thecognizant agency as directed by the procuring activity, contractingofficer, or request for procurement.-6-SAECopyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without
34、license from IHS-,-AMS 3895B SAEAMS3895B4.3 Sampling and Testing:(R)Shall be as follows:4.3.1 For Acceptance Tests: Each lot of broadgoods, sheet, and tape shall besampled at random to provide sufficient product to perform all requiredtests.Except as specified in 4.5, the number of determinations fo
35、r eachrequirement shall be as specified in the applicable test procedure or, ifnot specified therein, not less than three.4.3.1.1 A lot shall be allproduct produced in a continuous production run from(R)the same lot(s) of AMS 3894 under the same fixed conditions and presented4.3.1.2 When a statistic
36、al(R) manufacturer, sampling shall be in accordance with such plan in lieu ofsampling plan has been agreed upon by purchaser and4.4 Approval:4.4.1 Sample product shall4.3.2 For Preproduction Tests:As agreed upon by purchaser and manufacturer.be approved by purchaser before product for productionuse
37、is supplied, unless such approval be waived by purchaser.Results oftests on,productionproduct shall be essentially equivalent to those on theapproved sample.4.4.2 Manufacturer shall use ingredients, manufacturing procedures, processes,and methods of inspection on production product which are essenti
38、ally thesame as those used on the approved sample. If necessary to make any changein ingredients, in type of equipment for processing, or in manufacturingprocedures, manufacturer shall submit for reapproval a statement of theproposed changes in ingredients and/or processing and, when requested,sampl
39、e product. Production product made by the revised procedure shall notbe shipped prior to receipt of reapproval.4.5 Test Methods:Tests to determine conformance to requirements of this specification shall beconducted as specified herein or in the applicable test procedures specifiedin AMS 3894.-7-for
40、manufacturers inspection at one time.sampling in 4.3.1 and the report of 4.6 shall state that such plan wasused.Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-AMS3895BSAEAMS 3895B4.5.1 Preparation of
41、Test Laminates:When required by purchaser, one end of eachroll shall be so arranged that not less than one yard (1m) of productshall be interleaved with a suitable nonadhering separator between eachply, in such a manner that the separate layers may be individually used fortest and to make a test lam
42、inate for evaluation of cured laminateproperties.Test laminates shall be prepared from the required number ofplies in accordance with AMS 3894 and its applicable detail specification.4.5.2 Tack, Time Adherence:4.5.2.1 Cut two pieces of product, approximately 1 x 3 inches (25 x 76 mm),retaining the p
43、rotective film until immediately before using thespecimens.The O-degree oriented unidirectional ply (plies) shall beparallel tothe l-inch (25-mm)dimension.4.5.2.2 Remove the protective film from one face of one specimen and apply theproduct to the center of a clean piece of austenitic, corrosion-res
44、istantsteel sheet with a commercial 2D finish, any thickness, by approximately4 x 8 inches (102 x 203 mm).Apply light pressure with a squeegee orroller over the backing film.Remove the backing film and apply thesecond specimen to the first, in exactly the same manner, making sure theopposing faces o
45、f the pieces are not covered with protective backingfilm.The second layer of narrow product shall be so positioned that thebutt joints do not coincide with those of the first layer. Remove theprotective film from the exposed surface of the product and maintain thetest plate and the long dimension of
46、 the test specimen in a verticalposition for not less than 30 minutes at 20 to 30 C(68 to 86 F)and50 to 70% relative humidity.4.5.2.3 Report results as pass or fail.Ifthe specimen fails to adhere for thetest period, record the elapsed time at which the specimen separatesfully from the steel sheet.4.
47、5.3 Tack, Peel Strength:Shall be determined as agreed upon by purchaser and4.5.4 Visual Imperfections:Shall be determined as follows:4.5.4.1 Allow a sample of the product, approximately 15 feet (4.6 m) inlying flat on the table, to be exposed to standard environmentalconditions for 10 to30 minutes p
48、rior to inspection.supplier.4.5.4.2 Inspection aids and measuring devices of applicable accuracy mayas required.4.5.4.3 Report the results of the inspection of each sample.lengthbe used-8-Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-AMS 3895B SAE AMS 3895B4.6 Reports:The supplier of the product shall furnish with each shipment a report showingthe results of tests to determine conformance to the acceptance testrequirements, including the id
