1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2003 06 24 Revised Para 3.0 inserted; para 3.1, 3.2, 3.3, 3.7, 3.8 and 4 deleted; para 3.4.1, 3.5.2, 3.5.3, 3.5.4, 3.5.7.2, 3.5.8 revised M. Myers1995 11 10 Revised Para 3.4.1 M. Trapp 1990 07 16 Activated NB00I10084162 M. A. Myers Printed cop
2、ies are uncontrolled Copyright 2003, Ford Global Technologies, Inc. Page 1 of 5 POLYPHENYLENE ETHER + POLYAMIDE BLEND (PPE+PA) WSB-M4D658-A HEAT STABILIZED, 10% GLASS FIBER REINFORCED MOLDING COMPOUND 1. SCOPE The material defined by this specification is a glass fiber reinforced, heat stabilized mo
3、lding compound based on polyphenylene ether and polyamide (PPE+PA) blend. 2. APPLICATION This specification was released originally for material used for a right angle miniature bulb socket, modular and traditional lamp assemblies. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS M
4、aterial suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.4 MOLDING COMPOUND 3.4.1 Melt Volume Rate 6.0 - 13.0 cc/10 minutes (ISO 1133/ASTM D 1238, 280 +/- 0.5 C, 5.0 kg) The material shall be dried for 4 h minimum at 110 - 1
5、15 C in a mechanical convection oven immediately preceding the test. 3.4.2 Glass Fiber Content 8.7 - 12.7% (ISO 3451/1, Method A, 1 h at 750 +/- 50 C) 3.5 MOLDED TEST SPECIMEN 3.5.1 Preparation of Test Specimens Unless otherwise specified all tests shall be carried out on injection molded one-end ga
6、ted test specimens. The following dimensions are required: A. 150 min x 10 x 4.0 +/- 0.2 mm (Tensile Bar, ISO 3167) B. 120 x 10 x 4.0 +/- 0.2 mm ENGINEERING MATERIAL SPECIFICATIONWSB-M4D658-APrinted copies are uncontrolled Copyright 2003, Ford Global Technologies, Inc. Page 2 of 5 Specimens with sho
7、rter dimensions shall be cut from the center portion of the test specimen A and/or B. The specimens shall be prepared according to ISO 294. No annealing allowed. 3.5.2 Density 1.14 - 1.22 g/cm3(ISO 1183, Method A/ ASTM D 792, Method A1) 3.5.3 Tensile Strength at Max Load, min 73 MPa (ISO R 527/ASTM
8、D 638M, 150 min x 10 x 4.0 +/- 0.2 mm specimen, 5 mm/min test speed) 3.5.4 Flexural Modulus, min 3.2 GPa (ISO 178/ASTM D 790M, Method I, Procedure A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 64 mm support span) 3.5.5 Shear Modulus at 23 C 830 - 1390 MPa (ASTM D 4065, forced constant amplitude, fixed frequ
9、ency of 1 Hz +/- 15%, strain level below 1%. Specimen approx. 60 x 10 x 4.0 +/- 0.2 mm cut from the center of specimen A. Specimen length between clamps 35-40 mm. Soak time at each temperature interval - 3 minutes minimum) Additionally, a Shear Modulus vs. Temperature curve shall be plotted for - 50
10、 to + 250 C temperature range, at 5 C minimum intervals. The plotted curve must be within tolerance range shown on page 5. 3.5.6 Impact Strength, Izod, min (ISO 180, Method A/ASTM D 256, Method A, 63.5 x 10 x 4.0 +/- 0.2 mm specimen, 10 specimens for each test) 3.5.6.1 At 23 +/- 2 C 4.7 kJ/m23.5.6.2
11、 At - 40 +/- 2 C 2.9 kJ/m2The test specimens must be conditioned for minimum of 6 h at the above specified temperature prior to impact test. Low temperature testing shall be done within the cold box, if not possible, test can be conducted outside, but within 5 s. 3.5.7 Heat Deflection Temperature, m
12、in (ISO 75/ASTM D 648, 120 x 10 x 4.0 +/- 0.2 mm specimen) 3.5.7.1 At 1.82 Mpa 180 C 3.5.7.2 At 0.45 Mpa 217 C ENGINEERING MATERIAL SPECIFICATIONWSB-M4D658-APrinted copies are uncontrolled Copyright 2003, Ford Global Technologies, Inc. Page 3 of 5 3.5.8 Vicat Softening Temperature, min 209 C (ISO 30
13、6, Method B, 10 x 10 x 4.0 +/- 0.2 mm specimens. Bath - silicone oil, temp. raise 50 +/- 5 C/h. All specimens dry as molded. If not tested immediately after molding, specimens must be stored in a sealed, moisture-proof container filled with silica gel. 3.5.9 Heat Aging Performance (ISO 188/ASTM D 57
14、3, 150 +/- 50 air changes/h, 1000 h at 120 +/- 2 C. Unaged property values shall be determined at the time of the aged properties determination) 3.5.9.1 Tensile Strength Change +/- 25% (Test Method per para 3.5.3) 3.5.9.2 Impact Strength, Izod Change +/- 25% (Test Method per para 3.5.6.1, specimens
15、to be notched before heat aging) 3.6 FLAMMABILITY (ISO 3795) Burn Rate, max 100 mm/minute The specimen size required for material approval is 355 x 100 x 2.5 +/- 0.1 mm with a smooth surface. 5. GENERAL INFORMATION The information below is provided for clarification and assistance in meeting the req
16、uirements to the specification. 5.1 COEFFICIENT OF LINEAR THERMAL EXPANSION 2.2 - 2.8E-5/ C (ASTM D 696) 5.2 MOLD SHRINKAGE (ISO 2577, approx. 150 x 100 x 3.2 +/- 0.2 mm injection molded specimen) 5.2.1 Molding Shrinkage . After 48 h at 23 +/- 2 C Flow Direction 0.7% Transverse to Flow Direction 1.2
17、% ENGINEERING MATERIAL SPECIFICATIONWSB-M4D658-APrinted copies are uncontrolled Copyright 2003, Ford Global Technologies, Inc. Page 4 of 5 5.2.2 Post Shrinkage (Separate specimens required for each test) . After 48 h at 80 C Flow Direction 0.7% Transverse to Flow Direction 1.2% . After 30 min at 120
18、 C Flow Direction 0.7% Transverse to Flow Direction 1.2% 5.3 CHEMICAL RESISTANCE Information regarding tensile strength retention after exposure to various automotive fluids at elevated temperature and strain is on file at the Body Materials office and the approved supplier. 5.4 MATERIAL IDENTIFICATION FOR RECYCLING PURPOSES PPE+PA-GF10 ENGINEERING MATERIAL SPECIFICATIONWSB-M4D658-APrinted copies are uncontrolled Copyright 2003, Ford Global Technologies, Inc. Page 5 of 5
