1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 11 10 N-STATUS Replaced by SDS and USCAR requirements A. Pan, APA 2005 08 12 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.8, 3.9 & 4 1988 04 29 Released SM/EQ3398 TP M. Siewert Printed copies are uncontrolled Copyright 2010, Ford Global
2、 Technologies, LLC Page 1 of 4 POLYETHERSULFONE (PES), 10% GLASS FIBER WSK-M4D593-A REINFORCED, SE NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a glass fiber reinforced polyethersulfone molding compound. This material is self-extinguishing (SE) without flame r
3、etardant additives. 2. APPLICATION This specification was released originally for material used for connectors in automatic transmissions. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For P
4、roduction 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 3.4.1 Glass Fiber Content 7.5 - 12.5% (ISO 3451/1, Method A, 30 min at 400 C, followed by approx. 3 h at 700 +/- 20 C
5、or until constant weight is achieved, test portion 1 g) 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 required: A. 150 min x 10 x 4.0 +/- 0.2 mm (Te
6、nsile 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 specimens shall be prepared according to ISO 294. No annealing allowed. 3.5.2 Density 1.41 - 1.46 g/cm3(ISO 1183, Method A) ENGINEERING MATERI
7、AL SPECIFICATIONWSK-M4D593-A Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 2 of 4 (s) 3.5.3 Tensile Strength at Yield, min 92 MPa (ISO R 527, 150 minimum x 10 x 4.0 +/- 0.2 mm specimen, 50 mm/min test speed) (s) 3.5.4 Flexural Modulus, min 3.5 GPa (ISO 178, 80 x
8、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 1.0 - 1.4 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 leng
9、th between clamps 35-40 mm. Soak time at each temperature interval - 3 minutes minimum) Additionally, a Shear Modulus versus Temperature curve shall be plotted for -50 to +230 C temperature range, at 5 C minimum intervals. The plotted curve must be within tolerance range shown on page 6. (s) 3.5.6 I
10、mpact 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 4.3 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 testin
11、g shall be done within the cold box. (s) 3.5.7 Heat Deflection Temperature, min 203 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 200 +/- 2 C. After heat aging test specimens
12、are to be conditioned in a desiccator for 3 - 5 h at 23 +/- 2C. Unaged property values shall be determined at the time of the aged properties determination) 3.5.8.1 Tensile Strength at Max Load Change +/- 25% (Test Method per para 3.5.3) 3.5.8.2 Impact Strength, Izod Change +/- 25% (Test Method per
13、para 3.5.6.1, specimens to be notched before heat aging) ENGINEERING MATERIAL SPECIFICATIONWSK-M4D593-A Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 3 of 4 3.6 FOGGING (FLTM BO 116-03, 3 h at 100 C) Fog Number, min 90 Formation of clear film or droplets is cause
14、 for rejection. 3.7 FLAMMABILITY (ISO 3795) Burn Rate, max 100 mm/minute Self-extinguishing (SE) The specimen size required for material approval is 355 x 100 x 1.0 +/- 0.1 mm with a smooth surface. 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in me
15、eting the requirements of this specification. 5.1 COEFFICIENT OF LINEAR THERMAL EXPANSION 2.8 - 3.6-5/ C (ASTM E 228 or TMA, temperature range -30 - +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
16、.3 - 0.7% 5.2.2 Post Shrinkage (Separate specimens required for each test) . After 48 h at 80 C 0.01 - 0.08% . After 30 min at 120 C 0.01 - 0.08% 5.3 WATER ABSORPTION 0.4 - 0.7% (ISO 62, 24 h immersion, 50 +/- 1 mm diameter, 3.2 +/- 0.2 mm thick specimen) 5.5 RECYCLING CODE PES ENGINEERING MATERIAL SPECIFICATIONWSK-M4D593-A Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 4 of 4
