1、SAE-AMS3847ADOPTION NOTICESAE-AMS3847, “CLOTH, QUARTZ, “B“ STAGE POLYIMIDE RESINIMPREGNATED, STYLE 581 FABRIC, 315 DEG. C (599 DEG. F)“, wasadopted on 07-OCT-83 for use by the Department of Defense(DoD). Proposed changes by DoD activities must be submitted tothe DoD Adopting Activity: Commander, Nav
2、al Air Warfare Center,Aircraft Division, Code 414100B120-3, Highway 547, Lakehurst, NJ08733-5100. Copies of this document may be purchased from theSociety of Automotive Engineers 400 Commonwealth DriveWarrendale, Pennsylvania, United States, 15096-0001. http:/www.sae.org/_Custodians: Adopting Activi
3、ty:Navy - ASArmy - MRNavy - ASAir Force - 11Reviewer Activities:DLA - GSAREA CMPSDISTRIBUTION STATEMENT A: Approved for public release; distributionis unlimited.Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license fro
4、m IHS-,-The Engineering SocietyFor Advancing MobilityLand Sea Air and SpaceINTERNATIONALAEROSPACE MATERIALAMS 3847C400 Commonwealth Drive, Warrendale, PA 15096-0001SPECIFICATIONIssued MAR 1974Revised JUN 1994Submitted for recognition as an American National StandardSuperseding AMS 3847BCLOTH, QUARTZ
5、, “B“ STAGE POLYIMIDE RESIN IMPREGNATEDStyle 581 Fabric, 315 C (599 F)1. SCOPE:1.1 Form:This specification covers one type of quartz cloth impregnated with aheat-reactive, thermosetting, polyimide resin system, the resin beingprocessed to a “B“ stage condition, and furnished in continuous rolls of f
6、ullwidth material.1.2 Application:This cloth has been used typically for structural laminates requiring highstrength and long-term heat resistance up to 315 C (599 F), but usage isnot limited to such applications.1.3 Safety-Hazardous Materials:While the materials, methods, applications, and processe
7、s 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 the user to ensure familiarity withthe safe and proper use of any hazardous materials and to ta
8、ke 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. The latest issue of SAE publications shall apply. Theapplicable issue of other publications
9、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 engineeringsciences. The use of this report is entirely voluntary, and its applicability and suitability for any part
10、icular 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, revised, or cancelled. SAE invites your writtencomments and suggestions.Copyright 1994 Society of Au
11、tomotive Engineers, lnc.All rights reserved.Printed in U.S.A. Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-AMS 3847C SAE AMS 3847C2.1 SAE Publications:Available from SAE, 400 Commonwealth Drive, War
12、rendale, PA 15096-0001.AMS 2825 Material Safety Data SheetsAMS 3619 Resin, Polyimide, Laminating, High Temperature Resistant, 315 C(599 F)AMS 3846 Cloth, Quartz, Finished for Resin Laminates2.2 ASTM Publications:Available from ASTM, 1916 Race Street, Philadelphia, PA 19103-1187.ASTM D 618 Conditioni
13、ng Plastics and Electrical Insulating Materials forTestingASTM D 638 Tensile Properties of PlasticsTensile Properties of Plastics (Metric)ASTM D 695 Compressive Properties of Rigid PlasticsCompressive Properties of Rigid Plastics (Metric)ASTM D 790 Flexural Properties of Unreinforced and Reinforced
14、Plastics and Electrical Insulating MaterialsFlexural Properties of Unreinforced and Reinforced Plastics andElectrical Insulating Materials (Metric)ASTM D 792 Specific Gravity (Relative Density) and Density of Plastics byDisplacementApparent Interlaminar Shear Strength of Parallel FiberComposites by
15、Short Beam MethodIgnition Loss of Cured Reinforced ResinsVoid Content of Reinforced Plastics2.3 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 Appl
16、ication ofPackaging RequirementsTECHNICAL REQUIREMENTS:3.1 Material:3.1.1 Reinforcement: Shall be Style 581 quartz cloth conforming to AMS 3846,treated with a suitable finish to produce the required performancecharacteristics with the resin system specified herein.3.1.2 Resin: Shall conform to AMS 3
17、619.-2-ASTM D 638MASTM D 695MASTM D 790MASTM D 2344ASTM D 2584ASTM D 27343.Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-SAE AMS 3847C3.2 Storage Life:The impregnated cloth shall have a storage life
18、of not less than six monthsfrom date of impregnation when stored at a temperature not higher than 4 C(39 F) in moisture-proof, heat-sealed containers.3.3 Properties:Impregnated cloth shall conform to the following requirements:3.3.1 Uncured Impregnated Cloth: Cloth, as supplied, shall have the prope
19、rtiesshown in Table 1; tests shall be performed on the cloth supplied, sampledin accordance with 4.3.1 after warming to above the dew point in itssealed, moisture-proof container, and tested in accordance with specifiedtest methods.TABLE 1 - Uncured Cloth PropertiesProperty RequirementVolatile Conte
20、nt 13.5% by weight 2.0Resin Content 34% by weight 3Resin Flow 14% 2Tack To be reportedTest Method4.5.24.5.34.5.44.5.53.3.2 Cured Laminates: Shall have the following properties. Test specimensshall be cut from laminates produced as in 4.5.1 and tested in accordancewith specified test procedures. Spec
21、imens to be tested at room temperatureshall be conditioned and tested at standard conditions in accordance withASTM D 618. Specimens to be tested at 315 C (599 F) shall be conditionedat the test temperature for at least 30 minutes prior to testing.3.3.2.1 Tensile Strength and Modulus: Shall be as sh
22、own in Table 2, determinedin accordance with ASTM D 638 or ASTM D 638M, except that the specimenshown in Figure 1 shall be used.TABLE 2 - Tensile Strength and Modulus PropertiesTest TemperatureTensileStrengthminIndividualksiTensileStrengthminIndividualMPaTensileStrengthminAverageksiTensileStrengthmi
23、nAverageMPaTensileModulusminAverageMsiTensileModulusminAverageMPa45.0 310 50.0 345 2.50 17,23736.0 248 40.0 276 2.00 13,790-3-AMS 3847C25 C 3 ( 77 F 5)315 C 3 (599 F 5)Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without lice
24、nse from IHS-,-AMS 3847C SAEAMS 3847C3.3.2.2 Edgewise Compressive Strength and Modulus: Shall be as shown in Table 3,determined in accordance with ASTM D 695 or ASTM D 695M on four specimensper test.TABLE 3 - Compression Strength and Modulus PropertiesEdgewise Edgewise Edgewise EdgewiseCompressive C
25、ompressive Compressive Compressive Compressive CompressiveStrength Strength Strength Strength Modulus Modulusmin min min min min minIndividual Individual Average Average Average AverageTest Temperature ksi MPa ksi MPa Msi MPa40.5 279 45.0 310 2.80 19,305315 C 3 (599 F 5) 27.0 186 30.0 2072.25 15,513
26、3.3.2.3 Longitudinal Flexural Strength and Modulus: Shall be as shown inTable 4, determined in accordance with ASTM D 790 or ASTM D 790M.TABLE 4 - Flexural Strength and Modulus PropertiesFlexural Flexural Flexural Flexural Flexural FlexuralStrength Strength Strength Strength Modulus Modulusmin min m
27、in min min minIndividual Individual Average Average Average AverageTest Temperature ksi MPa ksi MPa Msi MPa63.0 434 70.0 483 2.00 13,79036.0 248 40.0 276 1.80 12,4113.3.2.4 Interlaminar Shear Strength: Shall be as shown in Table 5, determined inaccordance with ASTM D 2344, using five flat specimens
28、per test.TABLE 5 - Interlaminar Shear StrengthInterlaminar Interlaminar Interlaminar lnterlaminarShear Shear Shear ShearStrength Strength Strength Strengthmin min min minIndividual Individual Average AverageTest Temperature psi MPa psi MPa4500 31.0 5000 34.53150 21.7 3500 24.13.3.3 Specific Gravity:
29、 Shall be 1.5 to 1.9, determined in accordance withASTM D 792. Report individual and average values.-4-25 C 3 ( 77 F 5)315 C 3 (599 F 5)25 C 3 ( 77 F 5)315 C 3 (599 F 5)25 C 3 ( 77 F 5)Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permi
30、tted without license from IHS-,-AMS 3847C SAE AMS 3847C3.3.4 Void Content: Shall be not greater than 5% by volume, determined inaccordance with 4.5.6.3.4 Quality:The cloth, as received by purchaser, shall be uniform in quality andcondition, smooth, and free from foreign materials and from imperfecti
31、onsdetrimental to usage of the cloth.4. QUALITY ASSURANCE PROVISIONS:4.1 Responsibility for Inspection:(R)The manufacturer of the cloth shall supply all samples for required tests andshall be responsible for performing all required tests. Purchaser reservesthe right to sample and to perform any conf
32、irmatory testing deemed necessaryto ensure that the cloth conforms to the requirements.4.2 Classification of Tests:4.2.1 Acceptance Tests: Tests for the following requirements are acceptancetests and shall be performed on each lot.4.2.1.1 Tests for properties of uncured impregnated cloth (3.3.1).4.2
33、.1.2 Tests of cured laminates both at room temperature and at 315 C (599 F)for tensile strength (3.3.2.1) and longitudinal flexural strength(3.3.2.3).4.2.1.3 Tests of cured laminates for specific gravity (3.3.3), void content(3.3.4), and panel thickness of each test laminate.4.2.2 Preproduction Test
34、s: Tests for all technical requirements arepreproduction tests and shall be performed prior to or on the initialshipment of impregnated cloth to a purchaser, when a change in ingredientsand/or processing requires reapproval as in 4.4.2, and when purchaser deemsconfirmatory testing to be required.4.2
35、.2.1 For direct U.S. Military procurement, substantiating test data and, whenrequested, preproduction test material shall be submitted to thecognizant agency as directed by the procuring activity, contractingofficer, or request for procurement.4.3 Sampling and Testing:(R)Shall be as follows:4.3.1 Fo
36、r Acceptance Tests: Sufficient cloth shall be taken at random from eachlot to perform all required tests. The number of determinations for eachrequirement shall be as specified in the applicable test procedure or, ifnot specified therein, not less than shown in 4.3.1.1.-5-Copyright SAE International
37、 Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-AMS 3847C SAE AMS 3847C4.3.1.1 The manufacturer shall sample according to Table 6.(R)TABLE 6 - Sampling ScheduleMinimum Number ofProperty Basis Specimens per TestVolatile Content E
38、very roll 2Resin Solids Every roll 2Resin Flow Every roll 1Tack Every roll 1Tensile Strength Lot basis 4Compressive Strength Lot basis 4Flexural Strength Lot basis 4Resin Content Lot basis 2 for each test laminateShear Strength Lot basis 2 for each test laminateSpecific Gravity Lot basis 2 for each
39、test laminateVoids Content Lot basis 2 for each test laminate4.3.1.2 A roll is the basic unit presented for manufacturers inspection andshall not exceed 100 yards (91 m) in length. It shall be the full widthof the broadgoods.4.3.1.3 A lot shall be all cloth treated at one time without significant ch
40、anges(R) in treater settings using a single batch of resin and reinforcement andpresented for manufacturers inspection at one time.4.3.1.4 When a statistical sampling plan has been agreed upon by purchaser and(R) supplier, sampling shall be in accordance with such plan in lieu ofsampling as in 4.3.1
41、 and the report of 4.6 shall state that such plan wasused.4.3.2 For Preproduction Tests: As agreed upon by purchaser and supplier.4.4 Approval:4.4.1 Sample cloth shall be approved by purchaser before cloth for production useis supplied, unless such approval be waived by purchaser. Results of testson
42、 production cloth shall be essentially equivalent to those on theapproved sample.4.4.2 Manufacturer shall use ingredients, manufacturing procedures, and methodsof inspection on production cloth which are essentially the same as thoseused on the approved sample. If necessary to make any change iningr
43、edients, 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,sample cloth. Production cloth made by the revised procedures shall not beshipped prior to rec
44、eipt of reapproval.-6-Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-AMS 3847C SAE AMS 3847C4.5 Test Methods:4.5.1 Preparation of Test Laminate: Laminate test panels for tensile tests shallbe of eight
45、 plies, approximately 0.08 inch (2.0 mm) thick and not less than14 inches (356 mm) long by 12 inches (305 mm) wide. Test panels for othertests of cured laminates shall be of 12 plies, approximately 0.12 inch(3.0 mm) thick and not less than 12 inches (305 mm) square. The plies ofall laminates shall b
46、e laid up “unnested“ parallel to the warp with eachply positioned in the layup so that the satin shafts of the warp alwaysface the top of the layup. The panels shall be molded under appropriatepressure and cured in accordance with resin manufacturers recommendation.4.5.2 Volatile Content:4.5.2.1 Cut
47、 one 4.0 x 4.0 inch (102 x 102 mm) specimen from each sample and puncha small hole in one corner. Weigh each specimen to the nearest0.01 gram (W,). The protective film shall be removed immediately priorto weighing.4.5.2.2 Hang each specimen in a forced draft oven maintained at 315 C 8(599 F 15) for
48、15 minutes 1.4.5.2.3 Remove specimen from oven, cool to room temperature in a desiccator, andreweigh to the nearest 0.01 gram (W ).4.5.2.4 Calculate volatile content using Equation 1.W1- W2Volatile Content, % = x 100W1(Eq.1) 4.5.2.5 Report individual and average values for all specimens.4.5.3 Resin
49、Content: Use the dried specimens from the volatile contentdetermination (4.5.2) for determination of resin content. Ignition ofresin and calculation of resin content shall be in accordance withASTM D 2584, except that the ignition temperature shall be 620 C 30(1148 F 54). Report individual and average values for all specimens.4.5.4 Re
