1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 11 11 N-STATUS Replaced by SDS and USCAR requirements A. Pan, APA 2006 06 23 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.7, 3.8 & 4 1994 06 30 Released NGA1E10370437006 S.M. DeGrood Printed copies are uncontrolled Copyright 2010, Ford
2、Global Technologies, LLC Page 1 of 5 POLYPHENYLENE ETHER + POLYAMIDE BLEND (PPE+PA) WSF-M4D907-A HEAT STABILIZED, 30% GLASS FIBER REINFORCED MOLDING COMPOUND NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a glass fiber reinforced, heat stabilized molding compoun
3、d based on polyphenylene ether and polyamide (PPE+PA) blend. 2. APPLICATION This specification was released originally for material used for electronic module housings. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Compan
4、ys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.1.1 All requirements of this specification, identified by symbol(s), shall be met with data representing 3 sigma values. 3.4 MOLDING COMPOUND (s) 3.4.1 Melt Flow Rate 5.0 - 10.0 g/10 minutes (ISO 1133, 280 +/- 0.5 C, 5.0 kg) The m
5、aterial shall be dried for 4 h minimum at 110 - 115 C in a mechanical convection oven immediately preceding the test. 3.4.2 Glass Fiber Content 27 - 33% (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
6、 be carried out on injection molded one-end gated 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 Specimens with shorter dimensions shall be cut from the center portion of the test specimen A and/or B. The s
7、pecimens shall be prepared according to ISO 294. No annealing allowed. ENGINEERING MATERIAL SPECIFICATIONWSF-M4D907-APrinted copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 2 of 5 3.5.2 Density 1.31 - 1.35 g/cm3(ISO 1183, Method A) (s) 3.5.3 Tensile Strength at Max Load, m
8、in 154 MPa (ISO R 527, 150 minimum x 10 x 4.0 +/- 0.2 mm specimen, 5 mm/min test speed) (s) 3.5.4 Flexural Modulus, min 9.0 GPa (ISO 178, 80 x 10 x 4.0 +/- 0.2 mm specimen, 2 mm/min test speed, 64 mm support span) 3.5.5 Shear Modulus at 23 C 1.35 - 1.85 GPa (ASTM D 4065, forced constant amplitude, f
9、ixed frequency 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 versus Temperature curve shall be plo
10、tted for -50 to +250 C temperature range, at 5 C minimum intervals. The plotted curve must be within tolerance range shown on page 5. (s) 3.5.6 Impact Strength, Izod, min (ISO 180/1A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 10 specimens for each test) 3.5.6.1 At 23 +/- 2 C 6.0 kJ/m23.5.6.2 At -40 +/- 1 C
11、 5.2 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. (s) 3.5.7 Heat Deflection Temperature, min (ISO 75, 120 x 10 x 4.0 +/- 0.2 mm specimen, 0.32 +/- 0.01 mm deflection)
12、 3.5.7.1 At 1.80 MPa 236 C 3.5.7.2 At 0.45 MPa 246 C (s) 3.5.8 Vicat Softening Temperature, min 236 C (ISO 306, 10 x 10 x 4.0 +/- 0.2 mm specimens. Bath - silicone oil, temperature raise 50 +/- 5 C/h. Dial gage reset to 0 after addition of 5 kg weight. At 50 N load) ENGINEERING MATERIAL SPECIFICATIO
13、NWSF-M4D907-APrinted copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 3 of 5 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, e
14、xcept 150 +/- 50 air changes/h, 1000 h at 130 +/- 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, specime
15、ns 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 given below is provided for clarification and assistance in meetin
16、g the requirements of this specification. 5.1 COEFFICIENT OF LINEAR THERMAL EXPANSION 6.0 - 9.5-5/ C (ASTM E 831 (TMA), temperature range flow direction, -30 to +30 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
17、23 +/- 2 C Flow Direction 0.18 - 0.25% Transverse to Flow Direction 0.87 - 1.35% 5.2.2 Post Shrinkage (Separate specimens required for each test) After 48 h at 80 C Flow Direction 0.19 - 0.26% Transverse to Flow Direction 0.89 - 1.35% ENGINEERING MATERIAL SPECIFICATIONWSF-M4D907-APrinted copies are
18、uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 4 of 5 . After 30 min at 120 C Flow Direction 0.19 - 0.25% Transverse to Flow Direction 0.88 - 1.36% 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 ETC Office and the approved supplier. 5.4 RECYCLING CODE PPE+PA-GF30 ENGINEERING MATERIAL SPECIFICATIONWSF-M4D907-APrinted copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 5 of 5
