1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2011 03 01 No replacement named A. Pan, APA N Status 2006 05 24 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.7, 3.8 & 4 1993 08 02 Released EP00E10258823000 K. Gerhards Printed copies are uncontrolled Copyright 2011, Ford Global Technologies
2、, LLC Page 1 of 4 POLYARYLETHERKETONE (PAEK), SELF-EXTINGUISHING (SE) WSK-M4D878-A MOLDING COMPOUND NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a polyaryletherketone molding compound. This material is self-extinguishing (SE) without flame retardant additives.
3、 2. APPLICATION This specification was released originally for material used for cable clips in engine compartment. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WS
4、S-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 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 spec
5、imens. 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 specimens shall be prepared according to ISO 294. No anneali
6、ng allowed. 3.4.2 Density 1.29 - 1.34 g/cm (ISO 1183, Method A) (s) 3.4.3 Tensile Strength at Yield, min 100 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 3.5 GPa (ISO 178, 80 x 10 x 4.0 +/- 0.2 mm specimen, 2 mm/min test speed, 64
7、mm support span) ENGINEERING MATERIAL SPECIFICATIONWSK-M4D878-ACopyright 2011, Ford Global Technologies, LLC Page 2 of 4 Printed copies are uncontrolled The test specimens must be conditioned for minimum of 6 h at the above specified temperature prior to impact test. Low temperature testing shall be
8、 done within the cold box. 3.4.5 Shear Modulus at 23 C 1200 - 1700 MPa (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 e
9、ach temperature interval - 3 minutes minimum) Additionally, a Shear Modulus versus Temperature curve shall be plotted for -50 to +280 C temperature range, at 5 C minimum intervals. The plotted curve must be within tolerance range shown on page 4. (s) 3.4.6 Impact Strength, Izod, min (ISO 180/1A, 80
10、x 10 x 4.0 +/- 0.2 mm specimen, 10 specimens for each test) 3.4.6.1 At 23 +/- 2 C 3.0 kJ/m 3.4.6.2 At -40 +/- 1 C 3.0 kJ/m(s) 3.4.7 Heat Deflection Temperature, min 162 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, exc
11、ept 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) 3.4.8.1 Tensile Strength at Yield Change +/- 20% (Test Method per para 3.4.3) 3.4.8.2 Impact Strength, Izod Change +/- 20% (Test Method per para 3.4.6.1,
12、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-M4D878-ACopyright 2011, Ford Global Technologies, LLC Page 3 of 4 Printed copies are uncontrolled
13、 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 meeting the requi
14、rements of this specification. 5.1 COEFFICIENT OF LINEAR THERMAL EXPANSION 4.7-5/ C (ASTM E 228 or TMA, temperature range TBE 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 1.3 - 1.9% 5.3 WATER ABSORPT
15、ION 0.06 - 0.18% (ISO 62, 24 h immersion, 50 +/- 1 mm diameter, 3.2 +/- 0.2 mm thick specimen) 5.4 MOISTURE CONTENT OF MOLDING MATERIAL (ISO 960, Method B) If moisture content exceeds 0.08%, the molding compound requires predrying. 5.5 RECYCLING CODE PAEK ENGINEERING MATERIAL SPECIFICATIONWSK-M4D878-ACopyright 2011, Ford Global Technologies, LLC Page 4 of 4 Printed copies are uncontrolled
