1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 11 11 N-STATUS Replaced by SDS and USCAR requirements A. Pan, APA 2006 07 18 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.8, 3.9 & 4 1994 11 04 Released NB00I10043054381 M. Trapp Printed copies are uncontrolled Copyright 2010, Ford Glob
2、al Technologies, LLC Page 1 of 5 POLYPHENYLENE SULFIDE (PPS), 33% GLASS WSB-M4D918-A FIBER REINFORCED MOLDING COMPOUND NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a very high heat resistant, 33% glass fiber reinforced polyphenylene sulfide thermoplastic moldi
3、ng compound. 2. APPLICATION This specification was released originally for material used for GEM connector. 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-M99P11
4、11-A). 3.1.1 All requirements of this specification, identified by symbol(s), shall be met with data representing 3 sigma values. 3.4 MOLDING COMPOUND (s) 3.4.1 Glass Fiber Content 30 - 36% (ISO 3451/1, Method A) (s) 3.4.2 Melt Temperature, min 280 C (ISO 3146, Method C, 10 C/min heating rate) 3.5 M
5、OLDED 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 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 w
6、ith 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 annealing allowed. 3.5.2 Density 1.54 - 1.60 g/cm (ISO 1183, Method A) ENGINEERING MATERIAL SPECIFICATIONWSB-M4D918-APrinted copies are uncontrolled C
7、opyright 2010, Ford Global Technologies, LLC Page 2 of 5 (s) 3.5.3 Tensile Strength at Max Load, min 103 MPa (ISO R 527, 150 minimum x 10 x 4.0 +/- 0.2 mm specimen, 5 mm/min) (s) 3.5.4 Flexural Modulus, min 7.0 GPa (ISO 178, 80 x 10 x 4.0 +/- 0.2 mm specimen, 2 mm/min test speed, 64 mm support span)
8、 3.5.5 Shear Modulus at 23 C 1.8 - 3.2 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
9、 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 must be within tolerance range shown on page 5. (s) 3.5.6 Impact Strength, Izod, min (ISO 180/1A, 80 x 10 x 4.0 +/- 0.2 mm specim
10、en, 10 specimens for each test) 3.5.6.1 At 23 +/- 2 C 5.0 kJ/m 3.5.6.2 At -40 +/- 1 C 5.0 kJ/mThe 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. (s) 3.5.7 Heat Deflection Temper
11、ature, min (ISO 75, 120 x 10 x 4.0 +/- 0.2 mm specimen,edgewise, 0.32 +/- 0.01 mm deflection) 3.5.7.1 At 1.80 MPa 250 C All specimens dry as molded. If not tested immediately after molding, specimens must be stored in a sealed, moisture-proof container filled with silica gel. 3.5.8 Heat Aging Perfor
12、mance (ISO 188, except 150 +/- 50 air changes/h, 1000 h at 175 +/- 2 C. Unaged property values shall be determined at the time of the aged properties determination) ENGINEERING MATERIAL SPECIFICATIONWSB-M4D918-APrinted copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 3 of 5
13、 3.5.8.1 Tensile Strength at Max Load % Change +/- 25% (Test Method per para 3.5.3) 3.5.8.2 Impact Strength, Izod Change +/- 25% (Test Method per para 3.5.6.1, specimens to be notched before heat aging) 3.6 FOGGING (FLTM BO 116-03, 3 h at 100 heating, 21 C cooling plate) Fog Number, min 90 Formation
14、 of clear film, crystals or droplets 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 The information given below is provided for clarification
15、 and assistance in meeting the requirements of this specification. 5.1 COEFFICIENT OF LINEAR THERMAL EXPANSION (ASTM E 831 (TMA), temperature range -30 to +50 C) Flow Direction 1.7-5/ C Cross Flow Direction 7.0-5/ C 5.2 MOLD SHRINKAGE (ISO 2577, approx. 150 x 100 x 3.2 +/- 0.2 mm injection molded sp
16、ecimen) 5.2.1 Molding Shrinkage . After 48 h at 23 +/- 2 C 0.6% 5.2.2 Post Shrinkage (Separate specimens required for each test) . After 48 h at 80 C 0.52% . After 30 min at 120 C 0.50% ENGINEERING MATERIAL SPECIFICATIONWSB-M4D918-APrinted copies are uncontrolled Copyright 2010, Ford Global Technolo
17、gies, LLC Page 4 of 5 5.3 MELT FLOW RATE 9.0 - 19.3 g/10 minutes (ISO 1133, 315 C, 5.0 kg) The material shall be dried for 5 h minimum at 100 C in a mechanical convection oven immediately preceding the test. 5.4 MELT VOLUME RATE 6.4 - 13.8 cm/10 minutes (ISO 1133, 315 C, 5.0 kg, extrudate volume in cm/10 minutes) 5.5 RECYCLING CODE PPS-GF30 ENGINEERING MATERIAL SPECIFICATIONWSB-M4D918-APrinted copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 5 of 5
