SAE AMS 3845B-1991 Cloth Type E Glass B Stage Addition Cure Polyimide-Resin-Impregnated《B级固化加聚酰亚胺树脂浸渍的E类玻璃织物》.pdf
《SAE AMS 3845B-1991 Cloth Type E Glass B Stage Addition Cure Polyimide-Resin-Impregnated《B级固化加聚酰亚胺树脂浸渍的E类玻璃织物》.pdf》由会员分享,可在线阅读,更多相关《SAE AMS 3845B-1991 Cloth Type E Glass B Stage Addition Cure Polyimide-Resin-Impregnated《B级固化加聚酰亚胺树脂浸渍的E类玻璃织物》.pdf(12页珍藏版)》请在麦多课文档分享上搜索。
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 1997 Society of Automotive Engineers, Inc.All rights reserved. Printed in U.
3、S.A.QUESTIONS REGARDING THIS DOCUMENT: (412) 772-7154 FAX: (412) 776-0243TO PLACE A DOCUMENT ORDER: (412) 776-4970 FAX: (412) 776-0790400 Commonwealth Drive, Warrendale, PA 15096-0001AEROS PACE MATERIAL SPECIFIC ATIONSubmitted for recognition as an American National StandardAMS 3845BIssued JUN 1974R
4、evised OCT 1991Reaffirmed JUL 1997Superseding AMS 3845ACloth, Type “E” Glass“B” Stage Addition Cure Polyimide-Resin-Impregnated1. SCOPE:1.1 Form: This specification cover glass cloth impregnated with a heat-reactive, thermosetting, addition-cure polyimide resin system, the resin to be supplied in a
5、“B“ stage condition.1.2 Application: Primarily for laminated structural parts requiring high strength and long-term heat resistance up to 230 C (446 F) and short-term exposure up to 290 C (555 F).1.3 Safety - Hazardous Materials: While the materials, methods, applications, and processes described or
6、 referenced in this specification may involve the use of hazardous materials, this specification does not address 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 necessa
7、ry precautionary measures to ensure the health and safety of all personnel involved.1.4 Classification: Shall be as follows:Class 1 - Low-Flow Addition-Cure ResinClass 2 - High-Flow Addition-Cure ResinCopyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or
8、networking permitted without license from IHS-,-AMS 3845B SAE AMS 3845B- 2 -2. APPLICABLE DOCUMENTS:The 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 i
9、ssue in effect on the date of the purchase order.2.1 SAE Publications:Available from SAE, 400 Commonwealth Drive, Warrendale, PA 15096-0001.AMS 2825 Material Safety Data SheetsAMS 3619 Resin, Polyimide, Laminating, High Temperature Resistant, 315 C (600 F)AMS 3824 Cloth, Type “E” Glass, Finished for
10、 Resin 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 Insulat
11、ing MaterialsASTM D 790M Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating Materials (Metric)ASTM D 2344 Apparent Interlaminar Shear Strength of Parallel Fiber Composites by Short Beam MethodASTM D 2734 Void Content of Reinforced Plastics2.3 U.S. Government Public
12、ations: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 Requirements3. TECHNICAL REQUIREMENTS: 3.1 Material: 3.1.1 Reinforcement: Shall conform to AMS 3
13、824, Style 181, 1581, or 7781.3.1.2 Resin: Shall conform to AMS 3619.Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-AMS 3845B SAE AMS 3845B- 3 -3.1.3 Storage Life: The impregnated cloth shall have a s
14、helf life of not less than three months from date of shipment when stored or shipped in a barrier container and maintained at 4 to 15 C(39 to 59 F).3.2 Properties: 3.2.1 Uncured Impregnated Cloth: Cloth, as supplied shall conform to the following requirements; tests shall be performed in accordance
15、with specified ASTM methods, insofar as practicable. In addition, when specified, tack and drape shall be as agreed upon by purchaser and vendor.3.2.1.1 Volatile Content and Resin Solids: Volatile content shall be not greater than 10%. Devolatilized resin content shall be as specified by purchaser.3
16、.2.1.2 Gel Time: Shall be either 50 minutes 5 or 20% of the preproduction value, as agreed upon by purchaser and vendor, determined using a platen temperature of 290 C 5 (554 F 9).3.2.1.3 Wet Resin Flow: Shall be as agreed upon by purchaser and vendor, with a tolerance of 20%, determined using a pla
17、ten temperature of 290 C 5 (554 F 9).3.2.2 Cured Product: Shall be as follows, determined on laminates prepared as in 4.5.1. Properties of laminates of constructions other than as specified in 4.5.1 shall be as agreed upon by purchaser and vendor. The resin content, molding pressure, and cure cycle
18、for each panel shall be reported. Test specimens shall be held at the specified test temperature for not less than 30 minutes before testing.3.2.2.1 Tensile Strength Minimum Average: 3.2.2.2 Short Beam Shear Strength, Minimum Average: TABLE 1 - Tensile StrengthTest Temperature ksi MPa25 C 3 ( 77 F 5
19、) 45.0 310230 C 5 (446 F 9) 40.0 276290 C 5 (554 F 9) 34.0 234TABLE 2 - Short Beam ShearTest TemperatureClass 1psiClass 1MPaClass 2psiClass 2MPa25 C 3 ( 77 F 5) 5000 34.5 3300 22.8230 C 5 (446 F 9) 3500 24.1 2500 17.2Copyright SAE International Provided by IHS under license with SAENot for ResaleNo
20、reproduction or networking permitted without license from IHS-,-AMS 3845B SAE AMS 3845B- 4 -3.2.2.3 Flexural Strength Minimum Average: 3.2.2.4 Flexural Modulus Minimum Average: 3.2.2.5 Void Content: Shall be not greater than 10%.3.3 Quality: Cloth, as received by purchaser, shall be uniform in quali
21、ty and condition, smooth, and free from foreign materials and from imperfections detrimental to usage of the cloth.3.4 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 vendor of cloth sh
22、all supply all samples for vendors 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.4.2 Classification of Tests
23、: 4.2.1 Acceptance Tests: Tests for uncured properties (3.2.1) and properties of the cured product at 25 C (77 F) (3.2.2) are acceptance tests and shall be performed on each lot.TABLE 3 - Flexural StrengthTest TemperatureClass 1ksiClass 1MPaClass 2psiClass 2MPa25 C 3 ( 77 F 5) 60.0 414 54,000 372290
24、 C 5 (554 F 9) 42.0 290 38,000 262TABLE 4 - Flexural ModulusTest Temperature psi MPa25 C 3 ( 77 F 5) 2.5 x 10 6 17,237290 C 5 (554 F 9) 2.0 x 10 6 13,790Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-
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