1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 01 15 N-STATUS No replacement named J. Crist, NA 2006 03 17 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.7, 3.8 & 4 1994 06 30 Released NGA1E10370437006 A. Vallabhanath Printed copies are uncontrolled Copyright 2010, Ford Global Technol
2、ogies, LLC Page 1 of 4 POLYPHENYLENE SULFIDE (PPS), 43% GLASS FIBER WSG-M4D807-A3 REINFORCED MOLDING COMPOUND NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a high heat resistant glass fiber reinforced polyphenylene sulfide (PPS) molding compound. 2. APPLICATION
3、 This specification was released originally for material used for alternators. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.1.1 All requirements
4、 of this specification, identified by symbol(s), shall be met with data representing 3 sigma values. 3.4 MOLDING COMPOUND (s) 3.4.1 Glass Fiber Content 40 - 46% (ISO 3451/1, Method A, 1 h at 825 +/- 50 C) (s) 3.4.2 Melt Temperature, min 274 - 277 C (ISO 3146, Method C, 10 C/min heating rate) 3.5 MOL
5、DED 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 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 wit
6、h shorter 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. ENGINEERING MATERIAL SPECIFICATIONWSG-M4D807-A3 Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 2
7、of 4 3.5.2 Density 1.60 - 1.70 g/cm3(ISO 1183, Method A) (s) 3.5.3 Tensile Strength at Break, min 125 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 9.8 GPa (ISO 178, 80 x 10 x 4.0 +/- 0.2 mm specimen, 2 mm/min test speed, 64 mm suppo
8、rt span) 3.5.5 Shear Modulus at 23 C 2.2 - 3.2 GPa (ASTM D 4065, forced constant amplitude, fixed 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 inte
9、rval - 3 minutes minimum) Additionally, a Shear Modulus versus Temperature curve shall be plotted for -50 to +200 C temperature range, at 5 C minimum intervals. The plotted curve must be within tolerance range shown on page 4. (s) 3.5.6 Impact Strength, Izod, min (ISO 180/1A, 80 x 10 x 4.0 +/- 0.2 m
10、m specimen, 10 specimens for each test) 3.5.6.1 At 23 +/- 2 C 7 kJ/m23.5.6.2 At -40 +/- 1 C 4 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 T
11、emperature, min 260 C (ISO 75, 120 x 10 x 4.0 +/- 0.2 mm specimen, 0.32 +/- 0.01 mm deflection. At 1.80 MPa) 3.5.8 Heat Aging Performance (ISO 188, except 150 +/- 50 air changes/h, 1000 h at 260 +/- 2 C. Unaged property values shall be determined at the time of the aged properties determination) ENG
12、INEERING MATERIAL SPECIFICATIONWSG-M4D807-A3 Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 3 of 4 3.5.8.1 Tensile Strength at Break Change, max -25% (Test Method per para 3.5.3) 3.5.8.2 Impact Strength, Izod Change +/- 15% (Test Method per para 3.5.6.1, specimens
13、 to be notched before heat aging) 3.6 FLAMMABILITY (ISO 3795) Burn Rate, max 100 mm/minute Self-extinguishing (SE) The specimen size required for material approval is 355 x 100 x 0.7 +/- 0.1 mm with a smooth surface. 5. GENERAL INFORMATION The information given below is provided for clarification an
14、d assistance in meeting the requirements of this specification. 5.1 COEFFICIENT OF LINEAR THERMAL EXPANSION 1.6-5/ C (ASTM E 831 (TMA), temperature range -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 23 +/- 2 C 0.2% 5.3 RECYCLING CODE PPS-GF43 ENGINEERING MATERIAL SPECIFICATIONWSG-M4D807-A3 Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 4 of 4
