1、SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirelyvoluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefro
2、m, 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 written comments and suggestions.Copyright 2000 Society of Automotive Engineers, Inc.All rights reserved. Printed in U.S.
3、A.QUESTIONS REGARDING THIS DOCUMENT: (724) 772-7161 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 15096-0001AEROSPACE MATERIAL SPECIFICATIONAMS 3670/4CIssued JUL 1984Revised APR 1995Reaffirmed
4、DEC 2000Superseding AMS 3670/4BPolyamide-Imide Bar, Rod, and Shapes30% Glass Fiber1. SCOPE:1.1 Form: This specification covers a polyamide-imide plastic filled with glass fiber in the form of molded or extruded bar, rod, and shapes.1.2 Application: These products have been used typically for parts r
5、equiring high strength, thermal resistance, good dielectric properties, and toughness up to 230 C (446 F), but usage is not limited to such applications.2. APPLICABLE DOCUMENTS: See AMS 3670.3. TECHNICAL REQUIREMENTS: 3.1 Basic Specification: The complete requirements for procuring the product descr
6、ibed herein shall consist of this document and the latest issue of the basic specification, AMS 3670.3.2 Material: Shall be a molded, polyamide-imide polymer filled with 30% 3 by weight glass fiber.AMS 3670/4C SAE AMS 3670/4C- 2 -3.3 Properties: The product shall conform to the requirements shown in
7、 Table 1, determined on injection-molded, post-cured test specimens and in accordance with specified test methods. Specimens for elevated temperature tests shall be held at the test temperature for not less than 30 minutes prior to testing. Values for tensile strength, elongation, flexural strength,
8、 and compressive strength shall be reported as the average of three determinations for each test; no individual value shall be less than 90% of the minimum average value specified.TABLE 1 - PropertiesProperty Requirement Test Method3.3.1 Color3.3.2 Tensile Strength, min averageAt 23 C 1 (73 F 2)At 2
9、30 C 5 (446 F 9)3.3.3 Elongation, min averageAt 23 C 1 (73 F 2)3.3.4 Tensile Modulus, minAt 23 C 1 (73 F 2)3.3.5 Flexural Strength, min averageAt 23 C 1 (73 F 2)At 230 C 5 (446 F 9)3.3.6 Compressive Strength, min averageAt 23 C 1 (73 F 2)3.3.7 Specific Gravity at 23/23 C 1 (73/73 F 2)3.3.8 Water Abs
10、orption, max24.0 to 24.5 hours at 23 C 1 (73 F 2)3.3.9 Heat Deflection Temperature, min1/8 inch (3.2 mm) specimen264 psi (1.8 MPa) fiber stress3.3.10 Dielectric Strength, min averageDry, short time test, 1/8 inch (3.2 mm) specimen3.3.11 Dissipation Factor, max103 Hz3.3.12 Dielectric Constant, max103
11、 HzDark Brown, as approved on preproduction sample25.0 ksi (172 MPa)13.0 ksi (89.6 MPa)4%1.5 Msi (10.3 GPa)42.0 ksi (290 MPa)24.0 ksi (165 MPa)29.0 ksi (200 MPa)1.58 to 1.630.40%260 C (500 F)700 Volts/mil(27,6 kV/mm)0.044.0 to 5.5ASTM D 1708ASTM D 1708ASTM D 1708ASTM D 790or ASTM D 790MASTM D 695 or
12、ASTM D 695MASTM D 792Method AASTM D 570ASTM D 648ASTM D 149ASTM D 150ASTM D 150AMS 3670/4C SAE AMS 3670/4C- 3 -4. QUALITY ASSURANCE PROVISIONS: See AMS 3670.5. PREPARATION FOR DELIVERY: See AMS 3670.6. ACKNOWLEDGMENT: See AMS 3670.7. REJECTIONS: See AMS 3670.8. NOTES: See AMS 3670.PREPARED UNDER THE JURISDICTION OF AMS COMMITTEE “P”
