1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions 2006 08 16 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.8, 3.9, 4 1994 04 29 Revised 5.4 NGA1E10370437004 A.Vallabhanath 1992 03 19 Released DF00E00107002134 A.Vallabhanath L.P. Rumao Printed copies are uncontrolled Copyright 2006, Ford Glo
2、bal Technologies, LLC Page 1 of 5 UNSATURATED POLYESTER (UP), 24% GLASS FIBER WSF-M3D167-A REINFORCED, HIGH HEAT RESISTANT COMPRESSION MOLDING COMPOUND 1. SCOPE The material defined by this specification is a black color glass reinforced unsaturated polyester (UP). This material is highly filled wit
3、h calcium carbonate and mineral fillers. 2. APPLICATION This specification was released originally for material used for solenoid caps and brush holders. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Req
4、uirements For Production Materials (WSS-M99P1111-A). 3.4 MOLDING COMPOUND 3.4.1 Filler Content 3.4.1.1 Ash Content 42 - 47% (ISO 3451/1, Method A 1 h at 650 +/- 25 C) 3.4.1.2 Glass Fiber Content, by weight 21 - 26% Test Method: ISO 3451/1, Method B, 1 h at 650 +/- 25 C, except use 5% by volume hydro
5、chloric acid solution for 15 minutes. Rinse and filter the glass fibers several times with distilled water (use of glass filter with 50 micrometer size pores, maximum is recommended) before drying in an oven for 2 h at 120 +/- 2 C. After cooling, weigh the crucibles and calculate the percent glass f
6、ibers. 3.5 MOLDED TEST SPECIMEN 3.5.1 Preparation of Test Specimens Unless otherwise specified all tests shall be carried out on compression molded test specimens. The following dimensions are required: A. 150 min x 10 x 4.0 +/- 0.2 mm (Tensile Bar) B. 120 x 10 x 4.0 +/- 0.2 mm Specimens with shorte
7、r 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 material. No annealing allowed. ENGINEERING MATERIAL SPECIFICATION WSF-M3D167-A Printed copies are uncontrolled Copyright
8、2006, Ford Global Technologies, LLC Page 2 of 5 3.5.2 Density 1.89 - 1.99 g/cm3 (ISO 1183, Method A/ ASTM D 792, Method A1) 3.5.3 Tensile Strength at Max Load, min 39 MPa (ISO R 527/ASTM D 638, 150 min x 10 x 4.0 +/- 0.2 mm specimen, 5 mm/minute test speed) 3.5.4 Flexural Modulus, min 13 GPa (ISO 17
9、8/ASTM D 790, Method I, Procedure A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 64 mm support span, 2 mm/minute test speed) 3.5.5 Flexural Strength, min 71 MPa (ISO 178/ASTM D 790, Method I, Procedure A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 64 mm support span, 2 mm/minute test speed) 3.5.6 Compressive Strengt
10、h, min 154 MPa (ASTM D 695, 13 x 13 x 25 mm specimen, 1.3 mm/minute test speed) 3.5.7 Shear Modulus at 23 C 3.8 - 4.5 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. Spec
11、imen length between clamps 35-40 mm. Soak time at each temperature interval - 3 minutes minimum) Additionally, a Shear Modulus vs. 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 5. 3.5.8
12、 Impact Strength, Izod, min (ISO 180, Method A/ASTM D 256, Method A, 63.5 x 10 x 4.0 +/- 0.2 mm specimen, 10 specimens minimum) 3.5.8.1 At 23 +/- 2 C 4.3 kJ/m2 3.5.8.2 At -40 +/- 2 C 4.3 kJ/m2 The test specimens must be conditioned for minimum of 6 h at the above specified temperature prior to impac
13、t test. Low temperature testing shall be done within the cold box, if not possible, test can be conducted outside, but within 5 s. ENGINEERING MATERIAL SPECIFICATION WSF-M3D167-A Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 3 of 5 3.5.9 Heat Deflection Temperatu
14、re, min 280 C (ISO 75, Method A/ASTM D 648, 120 x 10 x 4.0 +/- 0.2 mm specimen. At 1.82 MPa) 3.5.10 Water Absorption, max 0.50% (ISO 62, 24 h/ASTM D 570, 24 h, boiling water, injection molded multipurpose specimen 150 min x 10 x 4.0 +/- 0.2 mm) 3.5.11 Heat Aging Performance (ISO 188/ASTM D 573, 150
15、+/- 50 air changes/h, 1000 h at 200 +/- 2 C. Unaged property values shall be determined at the time of the aged properties determination) 3.5.11.1 Tensile Strength at Load Change, max +/- 25% (Test Method per para 3.5.3) 3.5.11.2 Flexural Strength Change, max +/- 25% (Test Method per para 3.5.5) 3.5
16、.11.3 Impact Strength, Izod Change +/- 25% (Test Method per para 3.5.8.1, specimens to be notched before heat aging) 3.6 FLAMMABILITY (ISO 3795/SAE J369) Burn Rate, max 100 mm/minute Does Not Ignite (DNI) The specimen size required for material approval is 355 x 100 x 3.2 +/- 0.1 mm with a smooth su
17、rface. 3.7 SPECIAL REQUIREMENTS 3.7.1 Dielectric Strength, min 17 kV/mm (IEC 243/ASTM D 149, in insulating oil, 3.2 +/- 0.2 mm thick specimen, short time) ENGINEERING MATERIAL SPECIFICATION WSF-M3D167-A Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 4 of 5 5. GENE
18、RAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 COEFFICIENT OF LINEAR THERMAL EXPANSION (ASTM D 696) 5.1.1 Parallel to Flow 27.5-5/ C 5.1.2 Perpendicular to Flow 27.5-5/ C 5.2 MOLD SHRINKAGE (ISO 2577, 12
19、0 x 10 x 4.0 +/- 0.2 mm compression molded specimen, after 48 h at room temperature) 5.2.1 Molding Shrinkage . After 48 h at 23 +/- 2 C 0.12% 5.2.2 Post Shrinkage . After 48 h at 120 C 0.13% 5.3 HARDNESS, BARCOL, typical 1.65 - 1.78 mm (ASTM D 2583) penetration 5.4 RECYCLING CODE UP+(GF+M) 45 ENGINEERING MATERIAL SPECIFICATION WSF-M3D167-A Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 5 of 5
