1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2011 03 01 No replacement named A. Pan, APA N Status 2006 06 22 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.8, 3.9 & 4 1994 05 03 Released EP00E10348591000 K. Gerhards Printed copies are uncontrolled Copyright 2011, Ford Global Technologies, LLC
2、 Page 1 of 4 POLYPHENYLENE ETHER + POLYAMIDE BLEND (PPE+PA) WSK-M4D902-A 20% GLASS FIBER REINFORCED MOLDING COMPOUND NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a 20% glass fiber reinforced polyphenylene ether + polyamide blend molding compound. 2. APPLICATIO
3、N This specification was released originally for material used for headlamp adjuster motor. 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
4、 requirements of this specification, identified by symbol(s), shall be met with data representing 3 sigma values. 3.3 CONDITIONING AND TEST CONDITIONS All test values indicated herein are based on material and specimens with moisture content not exceeding 0.2% (test according to ISO 960, Method B).
5、All test materials immediately after processing have to be sealed in containers that are impermeable to water vapor. If the moisture content exceeds 0.2%, condition the material for a minimum of 16 h at 40 - 50 C at a reduced pressure below 133 Pa. 3.4 MOLDING COMPOUND 3.4.1 Glass Fiber Content 18 -
6、 22% (ISO 3451/4, 600 +/- 25 C) (s) 3.4.2 Melt Flow Rate 4 - 12 g/10 minutes (ISO 1133, 280 +/- 0.5 C, 5.0 kg) 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 dimens
7、ions 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 ENGINEERING MATERIAL SPECIFICATIONWSK-M4D902-ACopyright 2011, Ford Global Technologies, LLC Page 2 of 4 Printed copies are uncontrolled Specimen approx. 60 x 10 x 4.0 +/- Specimens with shorter d
8、imensions 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 1.22 - 1.27 g/cm3(ISO 1183, Method A) (s) 3.5.3 Tensile Strength at Max. Load, min 95 MPa (ISO R 527, 150 minimum x 10 x 4.0 +/- 0
9、.2 mm specimen, 50 mm/min test speed, (s) 3.5.4 Flexural Modulus, min 4.2 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 1.06 - 1.77 GPa (ASTM D 4065, forced constant amplitude, fixed frequency of 1 Hz +/- 15%, strain level below
10、 1%. 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 plotted for -50 to +250 C temperature range, at 5 C minimum intervals. The plotted curve
11、 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 mm specimen, 10 specimens for each test) 3.5.6.1 At 23 +/- 2 C 6 kJ/m23.5.6.2 At -40 +/- 1 C 5 kJ/m2The test specimens must be conditioned for minimum of 6 h at the above specifie
12、d 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) 3.5.7.1 At 1.80 MPa 185 C 3.5.7.2 At 0.45 MPa 220 C 3.5.8 Heat Aging Performance (ISO 18
13、8, except 150 +/- 50 air changes/h, 1000 h at 120 +/- 2 C. After heat aging test specimens 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) ENGINEERING MATERIAL SPECIFICATIONWSK-M4D902-ACopyr
14、ight 2011, Ford Global Technologies, LLC Page 3 of 4 Printed copies are uncontrolled 3.5.8.1 Tensile Strength at Max Load Change +/- 20% (Test Method per para 3.5.3) 3.5.8.2 Impact Strength, Izod Change +/- 20% (Test Method per para 3.5.6.1, specimens to be notched before heat aging) 3.6 FOGGING (FL
15、TM BO 116-03, 3 h at 100 C) Fog Number, min 90 Formation of a clear film, droplets or crystals is cause for rejection. 3.7 FLAMMABILITY (ISO 3795) Burn Rate, max 100 mm/minute The specimen size required for material approval is 355 x 100 x 1.0 +/- 0.1 mm with a smooth surface. 5. GENERAL INFORMATION
16、 The information given below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 COEFFICIENT OF LINEAR THERMAL EXPANSION 2.0 - 3.0-5/ 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
17、injection molded specimen) 5.2.1 Molding Shrinkage . After 48 h at 23 +/- 2 C 0.2 - 1.0% 5.2.2 Post Shrinkage (Separate specimens required for each test) . After 48 h at 80 C 0.03 - 0.07% . After 30 min at 120 C 0.03 0.07% 5.3 RECYCLING CODE PPE+PA-GF20 ENGINEERING MATERIAL SPECIFICATIONWSK-M4D902-ACopyright 2011, Ford Global Technologies, LLC Page 4 of 4 Printed copies are uncontrolled
