1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2005 01 04 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.7, 3.8 & 4 1994 12 01 Released EP00E10348618000 K. GerhardsPrinted copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page 1 of 4 PHENOLIC (PF) 35% GLASS FIBER REINFO
2、RCED WSK-M3D176-A1 COMPRESSION MOLDING COMPOUND 1. SCOPE The material defined by this specification is a 35% glass fiber reinforced thermosetting molding compound based on phenolics. 2. APPLICATION This specification was released originally for material used as starter motor heat shield. 3. REQUIREM
3、ENTS 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(s), shall be met with data representing 3 sig
4、ma values. (s) 3.4.1 Filler Content 3.4.1.1 Ash Content 55 +/- 5% (ISO 3451/1, Method A, 1 h at 650 +/- 25 C) 3.4.1.2 Glass Fiber Content By Weight 35 +/- 3% Test Method: ISO 3451/1, Method B, 1 h at 650 +/- 25 C, except use 5% by volume hydrochloric acid solution for 15 minutes. Rinse the glass fib
5、ers several times with distilled water before drying in an oven for 2 h at 120 +/- 2 C. After cooling, weigh the crucibles and calculate the percent glass fibers. 3.5 MOLDED TEST SPECIMEN 3.5.1 Preparation of Test Specimens Unless otherwise specified all tests shall be carried out on injection molde
6、d 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 C. 13 x 13 x 25 mm (Compressive Strength Bar, ASTM D 695) ENGINEERING MATERIAL SPECIFICATIONWSK-M3D176-A1Printed copies are uncontrolled Copyri
7、ght 2005, Ford Global Technologies, LLC Page 2 of 4 Specimens with shorter dimensions shall be cut from the center portion of the test specimen A and/or B. The specimens shall be prepared under optimum conditions as defined by the manufacturer of raw materials. No annealing allowed. 3.5.2 Density 1.
8、69 - 1.79 g/cm3(ISO 1183, Method A) (s) 3.5.3 Tensile Strength at Max Load, min 30 MPa (ISO R 527, 150 min x 10 x 4.0 +/- 0.2 mm specimen, 5 mm/min test speed) (s) 3.5.4 Flexural Modulus, min 10 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 Flexural
9、Strength, min 110 MPa (ISO 178, 80 x 10 x 4.0 +/- 0.2 mm specimen, 2 mm/min test speed, 64 mm support span) 3.5.6 Shear Modulus at 23 C Range - 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
10、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 +280 C temperature range, at 5 C minimum intervals. The plotted curve must be within tolerance
11、 range shown on page 4. (s) 3.5.7 Impact Strength, Izod, min (ISO 180/1A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 10 specimens for each test) 3.5.7.1 At 23 +/- 2 C 16 kJ/m23.5.7.2 At -40 +/- 1 C 16 kJ/m2The test specimens must be conditioned for minimum of 6 h at the above specified temperature prior to
12、impact test. Low temperature testing shall be done within the cold box. (s) 3.5.8 Heat Deflection Temperature, min 240 C (ISO 75, 120 x 10 x 4.0 +/- 0.2 mm specimen, 0.32 +/- 0.01 mm deflection. At 1.80 MPa) ENGINEERING MATERIAL SPECIFICATIONWSK-M3D176-A1Printed copies are uncontrolled Copyright 200
13、5, Ford Global Technologies, LLC Page 3 of 4 3.5.9 Heat Aging Performance (ISO 188, except 150 +/- 50 air changes/h, 1000 h at 160 +/- 2 C. Unaged property values shall be determined at the time of the aged properties determination) 3.5.9.1 Tensile Strength at Max Load Change +/- 25% (Test Method pe
14、r para 3.5.3) 3.5.9.2 Flexural Strength Change +/- 25% (Test Method per para 3.5.5) 3.6 FLAMMABILITY (ISO 3795) Burn Rate, max 100 mm/minute The specimen size required for material approval is 355 x 100 x 4.0 +/- 0.1 mm with a smooth surface. 5. GENERAL INFORMATION The information below is provided
15、for clarification and assistance in meeting the requirements of this specification. 5.1 COEFFICIENT OF LINEAR THERMAL EXPANSION 18-6/ 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 Shrinka
16、ge . After 48 h at 23 +/- 2 C +/- 0 5.2.2 Post Shrinkage . After 48 h at 120 C +/- 0 5.3 COMPRESSIVE STRENGTH 135 MPa (ASTM D 695, 13 x 13 x 25 mm specimen, 1.3 mm/minute test speed) 5.4 WATER ABSORPTION 5.5 RECYCLING CODE PF-GF35 ENGINEERING MATERIAL SPECIFICATIONWSK-M3D176-A1Printed copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page 4 of 4
