1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 11 11 N-STATUS Replaced by SDS and USCAR requirements A. Pan, APA 2005 10 26 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.7, 3.8 & 4 1999 06 16 Activated M. Masserant Printed copies are uncontrolled Copyright 2010, Ford Global Technolog
2、ies, LLC Page 1 of 5 POLYPHENYLENE ETHER + POLYAMIDE BLEND (PPE+PA) WSB-M4D658-A2 HEAT STABILIZED, 10% GLASS FIBER REINFORCED MOLDING COMPOUND NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a high flow glass fiber reinforced, heat stabilized molding compound bas
3、ed on polyphenylene ether and polyamide (PPE+PA) blend. 2. APPLICATION This specification was released originally for material used for USCAR Class III under hood electrical connectors. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRDUCTION MATERIALS Material suppliers and part producers must confo
4、rm to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.4 MOLDING COMPOUND 3.4.1 Melt Flow Rate 20 - 31.0 g/ (ISO 1133/ASTM D 1238, 10 minutes 280 +/- 0.5 C, 5.0 kg) The materials shall be dried for 4 h minimum at 110 - 115 C. In a mechanical convection oven immediately
5、 preceding the test. 3.4.2 Glass Fiber Content 8.3 - 11.8% (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 gated test specimens. The following dimensions are
6、 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-A2 Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 2 of 5 Specimens with shorter dimensions shall be cut from the Center po
7、rtion of the test specimen A and/or B. The Specimens shall be prepared according to ISO 294. No annealing allowed. 3.5.2 Density 1.16 - 1.19 g/cm3(ISO 1183, Method A/ASTM D 792, Method A1) 3.5.3 Tensile Strength at Max Load, min 85 MPa (ISO R 527/ASTM D 638M, 150 min x 10 x 4.0 +/- 0.2 mm specimen,
8、5 mm/min test speed) 3.5.4 Flexural Modulus, min 4.1 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 840 - 1400 MPa (ASTM D 4056, forced constant amplitude, fixed frequency of 1 Hz +/- 15%, strain level below 1%. Spe
9、cimen 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 min) Additionally, a Shear Modulus vs. Temperature curve shall be plotted for -50 to +250 C temperature range at 5 C min intervals.
10、The plotted curve must be within tolerance range shown on page 5. 3.5.6 Impact Strength, Izod, min (ISO 180, Method 1A/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 2.8 kJ/m23.5.6.2 At -40 +/- 2 C 2.5 kJ/m2The test specimens must be cond
11、itioned for min 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, min (ISO 75/ASTM D 648, 120 x 10 x 4.0 +/- 0.2 mm specimen, fl
12、atwise) 3.5.7.1 At 1.82 Mpa 193 C 3.5.7.2 At 0.45 Mpa 243 C ENGINEERING MATERIAL SPECIFICATIONWSB-M4D658-A2 Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 3 of 5 3.5.8 Vicat Softening Temperature, min 218 C (ISO 306, Method B, 10 x 10 x 4.0 +/- 0.2 mm specimens. B
13、ath - silicone oil, temperature raise 50 +/- 5 C/h, 50 N) 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 573, 150 +/- 50 air changes/h, 1000 h at
14、 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 to be notched before heat aging) 3.6 F
15、LAMMABILITY (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 given below is provided for clarification and assistance in meeting the requirements of this specification.
16、 5.1 COEFFICIENT OF LINEAR THERMAL EXPANSION Flow 1.9-5/C (ASTM D 696) Cross Flow 6.2-5/C 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 0.7 - 0.9% ENGINEERING MATERIAL SPECIFICATIONWSB-M4D658-A2 Printed
17、copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 4 of 5 5.2.2 Post Shrinkage (Separate specimens required for each test) . After 48 h at 80 C 0.8 - 1.1% . After 30 minutes at 120 C 0.9 - 1.1% 5.3 WATER ABSORPTION After 24 h immersion 0.4% (weight gain) 5.4 MATERIAL IDENTIFICATION FOR RECYCLING PURPOSES PPE+PA-GF10 ENGINEERING MATERIAL SPECIFICATIONWSB-M4D658-A2 Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 5 of 5
