1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions 2008 04 11 N-STATUS Replaced by WSS-M4D585-B G. Kowlaski 2006 05 22 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.8, 3.9 & 4 1993 01 04 Released NB00I10043054217 L. Graham Printed copies are uncontrolled Copyright 2008, Ford Global Technolog
2、ies, LLC Page 1 of 5 ABS + POLYCARBONATE (ABS+PC), 10% GLASS FIBER WSB-M4D867-A REINFORCED MOLDING COMPOUND NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a 10% glass fiber reinforced acrylonitrile-butadiene-styrene (ABS) and polycarbonate (PC) molding compound.
3、 2. APPLICATION This specification was released originally for material used for painted instrument panel components. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (
4、WSS-M99P1111-A). 3.4 MOLDING COMPOUND 3.4.1 Melt Flow Rate 12 - 16 g/ (ISO 1133/ASTM D 1238, 260 C, 5.0 kg) 10 minutes 3.4.2 Glass Fiber Content 8 - 12% (ISO 3451/1, Method A, 1 h at 800 +/- 50 C) 3.5 MOLDED TEST SPECIMEN 3.5.1 Preparation of Test Specimens Unless otherwise specified all tests shall
5、 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 portion of the test specimen A and/or B. The s
6、pecimens shall be prepared according to ISO 294. No annealing allowed. ENGINEERING MATERIAL SPECIFICATION WSB-M4D867-A Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 2 of 5 3.5.2 Density 1.18 - 1.22 g/cm (ISO 1183, Method A/ASTM D 792, Method A1) 3.5.3 Tensile Str
7、ength at Max Load, min 48 MPa (ISO R 527/ASTM D 638M, 150 min x 10 x 4.0 +/- 0.2 mm specimen, 5 mm/min test speed) 3.5.4 Flexural Modulus, min 3.6 GPa (ISO 178/ASTM D 790M, Method I, Procedure A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 2 mm/min test speed, 64 mm support span, the radius of the loading no
8、se 5.0 +/- 0.1 mm and of the supports 2.0 +/- 0.2 mm) 3.5.5 Shear Modulus at 23 C 866 - 1443 MPa (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 clamp
9、s 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 +150 C temperature range, at 5 C minimum intervals. The plotted curve must be within tolerance range shown on page 5. 3.5.6 Impact Strength, Izod,
10、 min (ISO 180, Method A/ASTM D 256, Method A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 10 specimens for each test) 3.5.6.1 At 23 +/- 2 C 8 kJ/m 3.5.6.2 At -40 +/- 2 C 4 kJ/m 3.5.6.3 At 0 +/- 2 C 6 kJ/m The test specimens must be conditioned for minimum of 6 h at the above specified temperature prior to im
11、pact 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 WSB-M4D867-A Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 3 of 5 3.5.7 Heat Deflection Temper
12、ature, min (ISO 75/ASTM D 648, 120 x 10 x 4.0 +/- 0.2 mm specimen, at standard deflection of 0.32 +/- 0.01 mm) 3.5.7.1 At 1.80 MPa 105 C 3.5.7.2 At 0.45 MPa 120 C All specimens dry as molded. If not tested immediately after molding, specimens must be stored in a sealed, moisture-proof container fill
13、ed with silica gel. 3.5.8 Vicat Softening Temperature, min 125 C (ISO 306, 10 x 10 x 4.0 +/- 0.2 mm specimens. Bath - silicone oil, temp. raise 50 +/- 5 C/h. Dial gauge reset to 0 after addition of 5 kg weight. At 50.0 N) All specimens dry as molded. If not tested immediately after molding, specimen
14、s must be stored in a sealed, moisture-proof container filled with silica gel. 3.5.9 Heat Aging Performance (ISO 188/ASTM D 573, 150 +/- 50 air changes/h, 1000 h at 95 +/- 2 C. Unaged property values shall be determined at the time of the aged properties determination) 3.5.9.1 Tensile Strength Chang
15、e +/- 25% (Test Method per para 3.5.3) 3.5.9.2 Impact Strength, Izod Change +/- 25% (Test Method per para 3.5.6.1, specimens to be notched before heat aging) 3.6 FLAMMABILITY (ISO 3795) Burn Rate, max 100 mm/minute The specimen size required for material approval is 355 x 100 x 1.3 +/- 0.1 mm with a
16、 smooth surface. 3.7 FOGGING (FLTM BO 116-03) Fog Number, min 85 Formation of excessive amounts of clear film or droplets is cause for rejection. ENGINEERING MATERIAL SPECIFICATION WSB-M4D867-A Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 4 of 5 5. GENERAL INFOR
17、MATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 COEFFICIENT OF LINEAR THERMAL EXPANSION 3.9-5/ C (ASTM D 696) 5.2 MOLD SHRINKAGE (ISO 2577, approx. 150 x 100 x 3.2 +/- 0.2 mm injection molded specimen) 5.2.1 Moldi
18、ng Shrinkage . After 48 h at 23 +/- 2 C 0.25% 5.2.2 Post Shrinkage (Separate specimens required for each test) . After 48 h at 80 C 0.27% . After 30 min at 120 C 0.32% 5.3 ELONGATION AT BREAK 5% (Test Method according to para 3.5.3) 5.4 INSTRUMENTED IMPACT (ASTM D 3763, SPEED 203 m/minute) At 23 C,
19、min 10 J At -30 C, min 4 J 5.5 VICAT SOFTENING TEMPERATURE, min 136 C (ISO 306, 10 x 10 x 4.0 +/- 0.2 mm specimens. Bath - silicone oil, temp. raise 50 +/- 5 C/h. Dial gage reset to 0 after addition of 5 kg weight. At 10.0 N) 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. 5.6 RECYCLING CODE ABS+PC-GF10 ENGINEERING MATERIAL SPECIFICATION WSB-M4D867-A Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 5 of 5
