1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2005 08 15 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.8, 3.9 & 4 1993 02 01 Revised EP00E10258804000 K. Gerhards 1988 04 29 Released SM/EQ3398 TP M. Siewert Printed copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page
2、 1 of 4 POLYETHERSULFONE (PES), SE WSK-M4D592-A 1. SCOPE The material defined by this specification is a polyethersulfone molding compound. This material is self-extinguishing (SE) without flame retardant additives. 2. APPLICATION This specification was released originally for material used for conn
3、ectors 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 Production Materials (WSS-M99P1111-A). 3.1.1 All requirements of this specification, identified by symbol
4、(s), shall be met with data representing 3 sigma values. 3.4 MOLDED TEST SPECIMEN 3.4.1 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 (T
5、ensile 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. 3.4.2 Density 1.35 - 1.39 g/cm3(ISO 1183, Method A) (s) 3.4.3 Tensile
6、 Strength at Yield, min 86 MPa (ISO R 527, 150 minimum x 10 x 4.0 +/- 0.2 mm specimen, 50 mm/min test speed, (s) 3.4.4 Flexural Modulus, min 2.0 GPa (ISO 178, 80 x 10 x 4.0 +/- 0.2 mm specimen, 2 mm/min test speed, 64 mm support span) ENGINEERING MATERIAL SPECIFICATIONWSK-M4D592-APrinted copies are
7、uncontrolled Copyright 2005, Ford Global Technologies, LLC Page 2 of 4 3.4.5 Shear Modulus at 23 C 0.8 - 1.0 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
8、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 +220 C temperature range, at 5 C minimum intervals. The plotted curve must be within tolerance range shown on page 6. (s) 3.4.6 I
9、mpact Strength, Izod, min (ISO 180/1A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 10 specimens for each test) 3.4.6.1 At 23 +/- 2 C 5.5 kJ/m23.4.6.2 At -40 +/- 1 C 5 kJ/m2The test specimens must be conditioned for minimum of 6 h at the above specified temperature prior to impact test. Low temperature testin
10、g shall be done within the cold box. (s) 3.4.7 Heat Deflection Temperature, min 189 C (ISO 75, 120 x 10 x 4.0 +/- 0.2 mm specimen, 0.32 +/- 0.01 mm deflection. At 1.80 MPa) 3.4.8 Heat Aging Performance (ISO 188, except 150 +/- 50 air changes/h, 1000 h at 200 +/- 2 C. After heat aging test specimens
11、are to be conditioned in a desiccator for 3 - 5 h at 23 +/- 2 C. Unaged property values shall be determined at the time of the aged properties determination) 3.4.8.1 Tensile Strength at Max Load Change +/- 25% (Test Method per para 3.4.3) 3.4.8.2 Impact Strength, Izod Change +/- 25% (Test Method per
12、 para 3.4.6.1, specimens to be notched before heat aging) 3.5 FOGGING (FLTM BO 116-03, 3 h at 100 C) Fog Number, min 90 Formation of clear film or droplets is cause for rejection. ENGINEERING MATERIAL SPECIFICATIONWSK-M4D592-APrinted copies are uncontrolled Copyright 2005, Ford Global Technologies,
13、LLC Page 3 of 4 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 1.0 +/- 0.1 mm with a smooth surface. 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in me
14、eting the requirements of this specification. 5.1 COEFFICIENT OF LINEAR THERMAL EXPANSION 4.5 - 6.5-5/ 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
15、.5 - 0.9% 5.2.2 Post Shrinkage (Separate specimens required for each test) . After 48 h at 80 C 0.01 - 0.05% . After 30 min at 120 C 0.01 - 0.05% 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-M4D592-APrinted copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page 4 of 4
