1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 01 15 N-STATUS No replacement named J. Crist, NA 2006 03 15 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.7, 3.8 & 4 1991 04 18 Released DF00E00107002028 J.B. Huebner Printed copies are uncontrolled Copyright 2010, Ford Global Technologi
2、es, LLC Page 1 of 4 POLYPHENYLENE SULFIDE (PPS), 57% GLASS FIBER/ WSF-M4D803-A3 MINERAL REINFORCED MOLDING COMPOUND NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a very high heat resistant, 57% glass fiber/mineral reinforced polyphenylene sulfide (PPS) molding
3、compound. 2. APPLICATION This specification was released originally for material used for alternator circuit boards. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (W
4、SS-M99P1111-A). 3.4 MOLDING COMPOUND 3.4.1 Filler Content 54 - 60% (ISO 3451/1, Method A, filled/ reinforced materials only, 75 minutes at 815 +/- 25 C) 3.4.2 Melt Temperature 270 - 290 C (ISO 1218, Method B/ASTM D 789 or DSC - ASTM E 794) 3.5 MOLDED TEST SPECIMEN 3.5.1 Preparation of Test Specimens
5、 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 (Tensile Bar, ISO 3167) B. 120 x 10 x 4.0 +/- 0.2 mm Specimens with shorter dimensions shall be cut from the center por
6、tion of the test specimen A and/or B. The specimens shall be prepared according to ISO 294. No annealing allowed. 3.5.2 Density 1.83 - 1.93 g/cm3(ISO 1183, Method A/ASTM D 792, Method A1) ENGINEERING MATERIAL SPECIFICATIONWSF-M4D803-A3 Printed copies are uncontrolled Copyright 2010, Ford Global Tech
7、nologies, LLC Page 2 of 4 3.5.3 Tensile Strength at Max Load, min 83 MPa (ISO R 527/ASTM D 638M, 150 min x 10 x 4.0 +/- 0.2 mm specimen, 5 mm/minute test speed) 3.5.4 Flexural Modulus, min 14.0 GPa (ISO 178/ASTM D 790M, Method I, Procedure A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 64 mm support span) 3.
8、5.5 Shear Modulus at 23 C 3.6 - 4.0 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 length between clamps 35-40 mm. Soak time at each temperature interval - 3 mi
9、nutes minimum). Additionally, a Shear Modulus vs. Temperature curve shall be plotted for -50 to +250 C temperature range, at 5 C minimum intervals. The plotted curve must be within tolerance range shown on page 4. 3.5.6 Impact Strength, Izod, min (ISO 180, Method A, 63.5 x 10 x 4.0 +/- 0.2 mm specim
10、en, 10 specimens for each test) 3.5.6.1 At 23 +/- 2 C 3.9 kJ/m23.5.6.2 At -40 +/- 2 C 4.0 kJ/m2The test specimens must be conditioned for minimum of 6 h at the above specified temperature prior to impact test. Low temperature testing shall be done within the cold box, if not possible, test can be co
11、nducted outside, but within 5 s. 3.5.7 Heat Deflection Temperature, min 250 C (ISO 75/ASTM D 648, 120 x 10 x 4.0 +/- 0.2 mm specimen. At 1.82 MPa) 3.5.8 Heat Aging Performance (ISO 188/ASTM D 573, 150 +/- 50 air changes/h, 1000 h at 265 +/- 2 C. Unaged property values shall be determined at the time
12、 of the aged properties determination) 3.5.8.1 Tensile Strength at Max Load +/- 15% (Test Method per para 3.5.3) 3.5.8.2 Impact Strength, Izod Change +/- 15% (Test Method per para 3.5.6.1, specimens to be notched before heat aging) ENGINEERING MATERIAL SPECIFICATIONWSF-M4D803-A3 Printed copies are u
13、ncontrolled Copyright 2010, Ford Global Technologies, 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 be
14、low is provided for clarification and assistance in meeting the requirements of this specification. 5.1 COEFFICIENT OF LINEAR THERMAL EXPANSION 5.0-5/C (ASTM D 696, -50 to +50 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 Flow Direction 0.2% Transverse to Flow 0.5% ENGINEERING MATERIAL SPECIFICATIONWSF-M4D803-A3 Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 4 of 4
