SAE AMS 3849B-1994 Cloth Quartz Style 581 Fabric Hot-Melt Addition-Type Polyimide Resin Impregnated《石英布 581型热熔织物 加成型 聚酰亚胺树脂浸渍》.pdf

1、The Engineering SocietyFor Advancing MobilityLand Sea Air and SpaceAEROSPACEMATERIALSPECIFICATIONAMS 3849BINTERNATIONAL400 Commonwealth Drive. Warrendale. PA 15096-0001Issued JUL 1979RevisedFEB 1994Submitted for recognition as an American National StandardSuperseding AMS 3849ACLOTH, QUARTZ, STYLE 58

2、1 FABRICHot-Melt, Addition-Type, Polyimide Resin Impregnated1. SCOPE:1.1 Form:This specification covers one type of quartz cloth impregnated with aheat-reactive, thermosetting, hot-melt, addition-type, polyimide resinsystem, furnished in continuous rolls of full width material.1.2 Application:This c

3、loth has been used typically for structural laminates requiring highstrength, excellent electrical resistance,and heat resistance for long-termservice up to 230 C (446 F) and short-time service up to 260 C (500 F),but usage is not limited to such applications.1.3 Safety - Hazardous Materials:While t

4、he 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 the user to ensure familiarity withthe safe an

5、d 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. The latest issue of SAE publications shall

6、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 engineeringsciences. The use of this report is entirely voluntary, a

7、nd 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. revised, or cancelled. SAE invites your writtencomm

8、ents and suggestions.Copyright t994 Society of Automotive Engineers, Inc.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 3849B SAE AMS 3849B2.1 SAE Publication

9、s:Available from SAE, 400 Commonwealth Drive, Warrendale, PA 15096-0001.AMS 2825 Material Safety Data SheetsAMS 3846 Cloth, Quartz, Finished for Resin Laminates2.2 ASTM Publications:Available from ASTM, 1916 Race Street, Philadelphia, PA 19103-1187.ASTM D 150ASTM D 638ASTM D 638MASTM D 695ASTM D 695

10、MASTM D 790ASTM D 790MASTM D 792ASTM D 2344ASTM D 2584ASTM D 2734ASTM D 3531A-C Loss Characteristics and Permittivity (Dielectric Constant)of Solid Electrical Insulating MaterialsTensile Properties of PlasticsTensile Properties of Plastics (Metric)Compressive Properties of Rigid PlasticsCompressive

11、Properties of Rigid Plastics (Metric)Flexural Properties of Unreinforced and Reinforced Plastics andElectrical Insulating MaterialsFlexural Properties of Unreinforced and Reinforced Plastics andElectrical Insulating Materials (Metric)Specific Gravity (Relative Density) and Density of Plastics byDisp

12、lacement Apparent Interlaminar Shear Strength of Parallel FiberComposites by Short Beam MethodIgnition Loss of Cured Reinforced ResinsVoid Content of Reinforced PlasticsResin Flow of Carbon Fiber-Epoxy Prepreg2.3 U.S. Government Publications:Available from DODSSP, Subscription Services Desk, Buildin

13、g 4D, 700 RobbinsAvenue, Philadelphia, PA 19111-5094.MIL-STD-2073-1DOD Materiel, Procedures for Development and Application ofPackaging Requirements3. TECHNICAL REQUIREMENTS:3.1 Material:Shall be the reinforcement specified in 3.1.1, impregnated with the resinsystem specified in 3.1.2, supplied in r

14、olls of full width impregnated clothor slit tape, as ordered.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.3.1.2Resin: Shall be a 100% reactive, hot-

15、melt, resin system formed byco-reaction of bis-maleimide monomer with a tri-functional monomer and anaromatic diamine,resulting in a thermosetting resin system which thermallycures to form a polyimide structure.-2-Copyright SAE International Provided by IHS under license with SAENot for ResaleNo rep

16、roduction or networking permitted without license from IHS-,-AMS 3849B SAE AMS 3849B3.2Storage Life:The impregnated cloth shall have a storage life of not less than three monthsfrom date of shipment when stored or shipped in a barrier container andmaintained at a temperature below 4 C (39 F).3.3Work

17、ing Life:The impregnated cloth shall meet the requirements of 3.4 and 3.5 when tested,after warming to room temperature,at any time up to five days after removalfrom refrigerated storage.3.4Properties of Uncured Product:The impregnated cloth, as supplied, shall conform to the requirements shownin Ta

18、ble 1; tests shall be performed on the product supplied, sampled inaccordance with 4.3.1 after warming to above the dew point, and tested inaccordance with specified test methods.TABLE 1 - Properties of Uncured ProductParagraph Property3.4.1 Resin Content3.4.2 Resin Flow3.4.3 TackRequirement36% by w

19、eight 312% +4, -3Shall obtain tack underslight heating(will adhere to itself)Test Method4.5.24.5.33.5Properties of Cured Laminate:Shall conform to the requirements shown in Table 2, determined on specimenscut from a test laminate prepared as in 4.5.1. Specimens for elevatedtemperature tests shall be

20、 tested after exposure at the test temperature for30 minutes 1. For tests No. 1 through 6, property values specified are theminimum average of five determinations per test; no individual value shall beless than 90% of the minimum average value specified.-3-Copyright SAE International Provided by IHS

21、 under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-AMS 3849B SAE AMS 3849BTABLE 2A - Properties of Cured Laminate, Inch/Pound UnitsTest Requirements RequirementsNumber Property at 77 F 9 at 450 F 9 Test Method1 Tensile Strength,minimum average 60.

22、0 ksi 50.0 ksi 4.5.42 Edgewise Compressive Strength,minimum average 50.0 ksi 30.0 ksi ASTM D 6953 Edgewise Compressive Modulus,minimum average 3.0 Msi 2.5 Msi ASTM D 6954 Flexural Strength,minimum average 70.0 ksi 50.0 ksi ASTM D 7905 Flexural Modulus,minimum average 3.0 Msi 2.5 Msi ASTM D 7906 Shor

23、t-Beam Shear Strength,minimum average 6000 psi 3500 psi 4.5.57 Dielectric Constantat 9.365 GHz, maximum 3.65-ASTM D 1508910Dielectric Loss Index,at 9.365 GHz, maximumSpecific Gravityat 73/73 FVoid Content, maximum0.008PreproductionValue 0.105.0%-ASTM D 150ASTM D 792ASTM D 2734,Method A-4-Copyright S

24、AE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-AMS 3849B SAE AMS 3849BTABLE 2B - Properties of Cured Laminate, SI UnitsTestNumber PropertyRequirements Requirementsat 25C 5 at 230 C 5 Test Method1 Tensile Strengt

25、h,minimum average 414 MPa 345 MPa 4.5.42 Edgewise Compressive Strength,minimum average 345 MPa 207 MPa ASTM D 695M3 Edgewise Compressive Modulus,minimum average 20.7 GPa 17.2 GPa ASTM D 695M4 Flexural Strength,minimum average 483 MPa 345 MPa ASTM D 79OM5 Flexural Modulus,minimum average 20.7 GPa 17.

26、2 GPa ASTM D 790M6 Short-Beam Shear Strength,minimum average 41.4 MPa 24.1 MPa 4.5.57 Dielectric Constantat 9.365 GHz, maximum 3.65 - ASTM D 1508 Dielectric Loss Index,at 9.365 GHz, maximum 0.008 - ASTM D 1509 Specific Gravityat 23/23 C Preproducticn - ASTM D 792Value 0.1010 Void Content, maximum5.0

27、% - ASTM D 2734,Method A3.6 Quality:Cloth, as received by purchaser,shall be uniform in quality and condition,and free from foreign materials and from imperfections detrimental to usageof the cloth.3.7 Tolerances:Width shall not vary more than +1/2 inch (+12.7 mm), -0 from the widthordered.4. QUALIT

28、Y ASSURANCE PROVISIONS:4.1 Responsibility for Inspection:(R)The manufacturer of 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 confirmatory testing deemed necessaryto ensure that th

29、e cloth conforms to the requirements of this specification.-5-Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-AMS 3849B SAE AMS 3849B4.2 Classification of Tests:4.2.1 Acceptance Tests: Tests for requir

30、ements specified in Table 3 areacceptance tests and shall be performed on each lot.TABLE 3 - Acceptance TestsParagraph Minimumor Table Number of SpecimensProperty Reference Sampling per TestResin Content, Uncured 3.4.1 Every Roll 2Resin Flow, Uncured and Cured 3.4.2 Lot Basis 4Resin Content, Cured 4

31、.5.1.2.3 Lot Basis 2 from each test laminateSpecific Gravity, Cured Table 2, Lot Basis 2 from each test laminateTest 9Void Content, Cured Table 2,Test 10Lot Basis 2 from each test laminateFlexural Strength, Cured Table 2, Lot Basis 5Test 4Flexural Modulus, Cured Table 2, Lot Basis 5Test 5Short-Beam

32、Shear Table 2,Strength, Cured Test 6Lot Basis 54.2.2 Preproduction Tests: Tests for all technical requirements arepreproduction tests and shall be performed prior to or on the initialshipment of cloth by the manufacturer, when a change in ingredients and/orprocessing requires reapproval as in 4.4.2,

33、 and when purchaser deemsconfirmatory testing to be required.4.2.2.1 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 proc

34、urement.4.3Sampling and Testing:(R)Shall be as follows:4.3.1 For acceptance Tests: Each lot of cloth shall be sampled at random on thesampling basis specified in Table 3. Samples for the test panels requiredfor testing the cured product shall be selected randomly in approximatelyequal amounts from t

35、hree locations in the lot. There shall be no more than500 yards (457 m) of cloth, full width, represented in any one test panel;lots of greater quantity shall require one panel for each 500 yards (457 m)or portion thereof. In addition, a dielectric test panel shall be preparedin accordance with 4.5.

36、1.2.3 and submitted with each lot for dielectrictesting by purchaser.-6-Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-AMS 3849B SAE AMS 3849B4.3.1.1 A lot shall be all cloth treated at one time witho

37、ut significant changesin treater setting using a single batch of resin and reinforcement andpresented for manufacturers inspection at one time. A lot shall notexceed 2000 yards (1825 m) of full width product.4.3.1.2 When a statistical sampling plan has been agreed upon by purchaser and(R)supplier, s

38、ampling shall be in accordance with such plan in lieu ofsampling as in 4.3.1 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 use

39、is supplied, unless such approval be waived by purchaser. Results of testson production cloth 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 cloth which are essentiall

40、y 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,sample c

41、loth. Production cloth made by the revised procedure shall not beshipped prior to receipt of reapproval.Test Methods:4.54.5.14.5.1.1 Tests of Uncured Product: Specimens shall be cut from test cloth andtested immediately as specified in the applicable test procedure.Specimen Preparation: Each roll to

42、 be sampled shall be allowed to warmabove the dew point before opening the sealed package for sampling.Immediately after sampling, the roll shall be resealed and returned torefrigerated storage.-7-Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or netw

43、orking permitted without license from IHS-,-AMS 3849B SAE AMS 3849B4.5.1.2.1 Laminate panels from which tensile specimens are to be cut shall becomposed of eight plies and shall be not less than 14 inches (356 mm)in the warp direction. Laminates from which test specimens for allother tests are to be

44、 cut shall be composed of 12 plies and shall benot less than 12 inches (305 mm) square.4.5.1.2 Preparation of Test Laminate Panels:4.5.1.2.2 All test laminates shall be layed up with the warp parallel andunnested so that the satin shafts of the warp always face the top ofthe layup and shall be molde

45、d under appropriate pressure and cured inaccordance with resin manufacturers recommendation. The report shallinclude the cure and postcure parameters for each test laminate panel.4.5.1.2.3 A dielectric test panel, 0.540 inch +0.040, -0, (13.72 mm +1.02, -0)thick by approximately 6 inches (152 mm) sq

46、uare, shall be preparedessentially the same as the panels in 4.5.1.2.2 and shall exhibitessentially the same resin content, specific gravity, and void content.4.5.2 Resin Content, Uncured and Cured: Shall be determined in accordance withASTM D 2584, using 620 C 25 (1148 F 45).4.5.3 Resin Flow: Shall

47、 be determined in accordance with ASTM D 3531, using aplaten press preheated to 175 C 3 (347 F 5) and a pressure of15 psi 5 (103 kPa 34), holding at heat and pressure for5 minutes 0.5.4.5.4 Tensile Strength: Shall be determined in accordance with ASTM D 638 orASTM D 638M, using the specimen shown in

48、 Figure 1 of this specification.4.5.5 Short-Beam Shear Strength: Shall be determined in accordance withASTM D 2344, using the specimen shown in Figure 2 of this specification.4.6 Reports:The supplier of cloth shall furnish with each shipment a report showing theresults of tests to determine conforma

49、nce to the acceptance test requirementsand stating that the cloth conforms to the other technical requirements.This report shall include the purchase order number, lot number, AMS 3849B,manufacturers material designation,cure cycle for each test panel and panelparameters, quantity, and roll number.4.6.1 A material safety data sheet conforming to AMS 2825, or equivalent, shallbe supplied to each purchaser prior t