1、SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and enginee ring sciences. The use of this report is entirelyvoluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefr
2、om, 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 invit es your written comments and suggestions.Copyright 1998 Society of Automotive Engineers, Inc.All rights reserved. Printed in U.
3、S.A.QUESTIONS REGARDING THIS DOCUMENT: (724) 772-7154 FAX: (724) 776-0243TO PLACE A DOCUMENT ORDER: (724) 776-4970 FAX: (724) 776-0790SAE WEB ADDRESS: http:/www.sae.org400 Commonwealth Drive, Warrendale, PA 15096-0001AEROS PACE MATERIAL SPECIFIC ATIONSubmitted for recognition as an American National
4、 StandardAMS 3829BIssued APR 1982 Revised OCT 1993Reaffirmed SEP 1998Superseding AMS 3829ACloth, Type “E”-Glass, Style 7781 FabricSolution-Addition-Type PMR-15 Polyimide Resin Impregnated1. SCOPE:1.1 Form: This specification covers one type of glass cloth impregnated with a heat-reactive, thermosett
5、ing, solution-addition-type PMR-15 polyimide resin system, supplied in the form of continuous rolls of full width cloth or slit tape.1.2 Applications: This cloth has been used typically for structural laminates requiring high strength and heat resistance for long-term service up to 290 C (554 F) and
6、 short-time service up to 315 C (599 F), but usage is not limited to such applications.1.3 Safety-Hazardous Materials: While the materials, methods, applications, and processes described or referenced in this specification may involve the use of hazardous materials, this specification does not addre
7、ss the hazards which may be involved in such use. It is the sole responsibility of the user to ensure familiarity with the safe and proper use of any hazardous materials and to take necessary precautionary measures to ensure the health and safety of all personnel involved.2. APPLICABLE DOCUMENTS: Th
8、e following publications form a part of this specification to the extent specified herein. The latest issue of SAE publications shall apply. The applicable issue of other publications shall be the issue in effect on the date of the purchase order.Copyright SAE International Provided by IHS under lic
9、ense with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AMS 3829B SAE AMS 3829B- 2 -2.1 SAE Publications: Available from SAE, 400 Commonwealth Drive, Warrendale, PA 15096-0001.AMS 2825 Material Safety Data SheetsAMS 3824 Cloth, Type “E“ Glass, Finished for Res
10、in Laminates2.2 ASTM Publications: Available from ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959.ASTM D 638 Tensile Properties of PlasticsASTM D 638M Tensile Properties of Plastics (Metric)ASTM D 790 Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating
11、 MaterialsASTM D 790M Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating Materials (Metric)ASTM D 792 Specific Gravity (Relative Density) and Density of Plastics by DisplacementASTM D 2344 Apparent Interlaminar Shear Strength of Parallel Fiber Composites by Short B
12、eam MethodASTM D 2734 Void Content of Reinforced Plastics2.3 U.S. Government Publications: Available from DODSSP, Subscription Services Desk, Building 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094.MIL-STD-2073-1 DOD Materiel, Procedures for Development and Application of Packaging Requirements
13、3. TECHNICAL REQUIREMENTS: 3.1 Material: Shall be the reinforcement specified in 3.1.1, impregnated with the resin system specified in 3.1.2, supplied as rolls of full width impregnated cloth or as slit tape, as ordered, and in a condition suitable for in situ polymerization by vacuum/autoclave proc
14、essing at 290 C (554 F) under 100psi (689 kPa) pressure.3.1.1 Reinforcement: Shall be AMS 3824 Type “E“ Glass cloth, Style 7781, treated with a suitable finish to produce the required performance characteristics with the resin system specified in 3.1.2.3.1.2 Resin: Shall be a heat-reactive, thermose
15、tting monomeric reactants solution-addition-type PMR-15 polyimide resin system resulting in a prepolymer polyimide resin system with a 1500 formula molecular weight.Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license
16、 from IHS-,-,-AMS 3829B SAE AMS 3829B- 3 -3.2 Storage Life: Cloth shall have a storage life of not less than three months from the date of impregnation when stored or shipped in a barrier container and maintained at not warmer than 7 C (45 F).3.3 Working Life: Cloth shall meet the requirements of 3.
17、4 and 3.5 when tested, after warming to room temperature, at any time up to five days after removal from storage at not warmer than 7 C (45 F).3.4 Properties: Cloth shall conform to the following requirements:3.4.1 Uncured Impregnated Cloth: Shall have the following properties, determined on the pro
18、duct supplied, sampled in accordance with 4.3.1 after warming to above the dew point, and tested in accordance with 4.5.2:3.4.1.1 Volatile Content: 9% 23.4.1.2 Resin Content by weight: 38% 33.4.2 Cured Laminates: Shall have the properties shown in Table 1, determined on specimens cut from a test lam
19、inate prepared as in 4.5.1. Specimens for elevated temperature tests shall be tested after exposure for 30minutes 1 at the test temperature. Property values specified in 3.4.2.1 through 3.4.2.4 are the minimum averages for five determinations for each test; no individual value shall be less than 90%
20、 of the minimum average value specified.Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AMS 3829B SAE AMS 3829B- 4 -3.5 Quality: Cloth, as received by purchaser, shall be uniform in quality and condi
21、tion, clean, and free from foreign materials and from imperfections detrimental to usage of the cloth.3.6 Tolerances: Width shall not vary more than +1/2 inch (+12.7 mm), -0 from the width ordered.4. QUALITY ASSURANCE PROVISIONS: 4.1 Responsibility for Inspection: The manufacturer of impregnated clo
22、th shall supply all samples for required tests and shall be responsible for performing all required tests. Purchaser reserves the right to sample and to perform any confirmatory testing deemed necessary to ensure that the cloth conforms to the requirements of this specification.TABLE 1 - Properties
23、of Cured LaminatesParagraph Property Requirement (See 8.2) Test Method3.4.2.1 Tensile Strength,minimum averageAt 25 C 5 ( 77 F 9)At 288 C 5 (550 F 9)55.0 ksi (379 MPa)50.0 ksi (345 MPa)ASTM D 638 orASTM D 638MType 1Specimen3.4.2.2 Flexural Strength,minimum averageAt 25 C 5 ( 77 F 9)At 288 C 5 (550 F
24、 9)65.0 ksi (448 MPa)50.0 ksi (345 MPa)ASTM D 790 orASTM D 790M3.4.2.3 Flexural Strength,minimum averageAt 25 C 5 ( 77 F 9)At 288 C 5 (550 F 9)3.3 Msi (22.8 GPa)3.0 Msi (20.7 GPa)ASTM D 790 orASTM D 790M3.4.2.4 Short-Beam Shear Strength,minimum averageAt 25 C 5 ( 77 F 9)At 288 C 5 (550 F 9)6000 psi
25、(41.4 MPa)3300 psi (22.8 MPa)ASTM D 23443.4.2.5 Specific GravityAt 23/23 C(73/73 F)0.10PreproductionASTM D 792Value3.4.2.6 Void Content, maximum 3.0% ASTM D 2734Method ACopyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without lic
26、ense from IHS-,-,-AMS 3829B SAE AMS 3829B- 5 -4.2 Classification of Tests: 4.2.1 Acceptance Tests: Tests for requirements shown in Table 2 are acceptance tests and shall be performed to represent each lot.4.2.2 Preproduction Tests: Tests for all technical requirements are preproduction tests and sha
27、ll be performed prior to or on the initial shipment of impregnated cloth to a purchaser, when a change in ingredients and/or processing requires reapproval as in 4.4.2, and when purchaser deems confirmatory testing to be required.4.2.2.1 For direct U.S. Military procurement, substantiating test data
28、 and, when requested, preproduction test material shall be submitted to the cognizant agency as directed by the procuring activity, contracting officer, or request for procurement.4.3 Sampling and Testing: Shall be as follows:4.3.1 For Acceptance Tests: Each lot of impregnated cloth shall be sampled
29、 at random on sampling schedule shown in Table 3, using the number of specimens specified therein for each requirement. Samples for the panels required for testing the cured product shall be taken in approximately equal amounts from three locations in the lot, selected randomly. There shall be not m
30、ore than 500 yards (457 m) of cloth, full width, represented in any one test panel; lots of greater quantity shall require one panel for each 500yards (457 m) or portion thereof.TABLE 2 - Acceptance TestsRequirementParagraphReferenceVolatile Content, uncured 3.4.1.1Resin Content, uncured 3.4.1.2Flex
31、ural Strength 3.4.2.2Flexural Modulus 3.4.2.3Short-Beam Shear Strength 3.4.2.4Specific Gravity, cured 3.4.2.5Void Content, cured 3.4.2.6Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AMS 3829B SAE A
32、MS 3829B- 6 -4.3.1.1 A lot shall be all cloth treated at one time without significant changes in treater setting using a single batch of resin and reinforcement and presented for manufacturers inspection at one time. A lot shall not exceed 2000 yards (1829 m) of full width product.4.3.1.2 When a sta
33、tistical sampling plan has been agreed upon by purchaser and manufacturer, sampling shall be in accordance with such plan in lieu of sampling as in 4.3.1 and the report of 4.6 shall state that such plan was used. 4.3.2 For Preproduction Tests: As agreed upon by purchaser and manufacturer.4.4 Approva
34、l: 4.4.1 Sample cloth shall be approved by purchaser before cloth for production use is supplied, unless such approval be waived by purchaser. Results of tests on production cloth shall be essentially equivalent to those on the approved sample.4.4.2 Manufacturer shall use ingredients, manufacturing
35、procedures, processes, and methods of inspection on production cloth which are essentially the same as those used on the approved sample cloth. If necessary to make any change in ingredients, in type of equipment for processing, or in manufacturing procedures, manufacturer shall submit for reapprova
36、l a statement of the proposed changes in ingredients and/or processing and, when requested, sample cloth. Production cloth made by the revised procedure shall not be shipped prior to receipt of reapproval.4.5 Test Methods: 4.5.1 Specimen Preparation: Each roll to be sampled shall be allowed to warm
37、above the dew point before opening the sealed package for sampling. Immediately after sampling, the roll shall be resealed and returned to storage at not higher than 7 C (45 F).4.5.1.1 Tests of Uncured Product: Specimens shall be cut from test cloth and tested immediately as specified in the applica
38、ble test procedure.TABLE 3 - Acceptance Test SamplingRequirement SamplingMinimumNumber of SpecimensVolatile Content, uncured Every Roll 2Resin Content, uncured Lot Basis 2Flexural Strength Lot Basis 5Flexural Modulus Lot Basis 5Short-Beam Shear Strength Lot Basis 5Specific Gravity, cured Lot Basis 2
39、 from each test laminateVoid Content, cured Lot Basis 2 from each test laminateCopyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AMS 3829B SAE AMS 3829B- 7 -4.5.1.2 Preparation of Test Laminate Panels:
40、 4.5.1.2.1 Laminate panels from which all specimens are cut shall be composed of 14 plies, all face up, in makeup with ply orientation at 0 to 90 degrees. Laminate panel dimensions shall be sufficient to yield all specimens required for tests.4.5.1.2.2 All test laminate panels shall be fabricated by
41、 vacuum bag/autoclave method under process parameters of 100 psi (689 kPa) and 288 C (550 F). Each test laminate shall be subjected to a postcure of 12hours0.25 at 315 C 3 (599 F 5) in an air environment prior to any specimen preparation or test.4.5.2 Volatile and Uncured Resin Contents: Shall be de
42、termined as follows:4.5.2.1 Cut a single-ply specimen of impregnated cloth nominally 4 inches (102mm) square and weigh. Record weight as W 1 . Place the specimen in an oven preset to, and maintained at, 165 C (329 F) and heat at 165C3 (329 F5) for five to seven minutes. Remove specimen from oven, co
43、ol, and reweigh. Record weight as W 2 .4.5.2.2 Place the specimen on which volatile content was determined in a muffle furnace preset to, and maintained at, 565 C (1049 F); hold at 565C5 (1049 F 9) for not less than 30 minutes. Remove specimen from furnace, cool, and reweigh. Record weight as W 3 .4
44、.5.2.3 Calculate volatile content and resin content using Equation 1 and Equation 2, respectively.(Eq. 1)(Eq. 2)4.6 Reports: The supplier of impregnated cloth shall furnish with each shipment a report showing the results of tests to determine conformance to the acceptance test requirements and stati
45、ng that the cloth conforms to the other technical requirements. This report shall include the purchase order number, lot number, AMS3829B, manufacturers material designation, cure cycle for each test panel and panel parameters, roll numbers, and quantity.4.6.1 The supplier of impregnated cloth produ
46、ct shall furnish with each lot a statement that the product provided is “E“ glass cloth impregnated with the PMR-15 resin binder system.Volatile Content, %W1 W2W1-100=Resin Solids Content, %W2 W3W2-100=Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or
47、 networking permitted without license from IHS-,-,-AMS 3829B SAE AMS 3829B- 8 -4.6.2 The supplier of impregnated cloth shall furnish with each lot a statement that purity of monomers and solvent used conformed to the following requirements:4,43 - Methylenedianiline (MDA) - % MDA - 95% minimumMelting
48、 Point - 90 C (190 F) minimumAniline Impurity - 0.1% maximumDimethyl Ester of 3,33 - Benzophenonetetracarboxylic Acid (BTDE) -% Dimethyl ester of BTDE as measuredMonomethyl Ester of 5 - Norbornene - 2,3 - Dicarboxylic Acid (N,E)Melting Point - 100 C (212 F) minimumAnhydrous Methyl Alcohol - % Methyl Alcohol - 99.8% minimumAcidity (Acetic Acid) - 0.003 % by weight, maximumAlkalinity (Ammonium Hydroxide) - 0.0003 % by weight, maximumAcetone - 0.003 % by weight, maximum4.6.3 A material safety data sheet conforming to AMS 2825, or equivalent, shall be supplied to each purchaser prior to, or conc
