FORD-WSF-M4D881-A-2008.pdf
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1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Ver. 3 2008 08 20 N-STATUS Replaced by WSK-M4D827-A C. Boese, FNA 2006 05 24 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.10, 3.11 & 4 1994 02 28 Released NGA1E10370437002 A. Vallabhanath Printed copies are uncontrolled Copyright 2008, Ford
2、 Global Technologies, LLC Page 1 of 5 ABS MOLDING COMPOUND, CLEAR, INTERIOR WSF-M4D881-A NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a clear molding compound based on acrylonitrile/butadiene/styrene. 2. APPLICATION This specification was released originally f
3、or material used for visible interior parts, such as integrated control panel button with inmold decoration. 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-M99P1
4、111-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 Melt Flow Rate 1.0 - 3.6 g/10 minutes (ISO 1133/ASTM D 1238, 220 C, 10 kg) The material shall be dried for min of 2 h at 80 - 85 C in a me
5、chanical convection oven immediately preceding the test. 3.5 MOLDED 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 (T
6、ensile Bar, ISO 3167) B. 120 x 10 x 4.0 +/- 0.2 mm Specimens with shorter dimensions shall be cut from the centre portion of the test specimen A and/or B. The specimens shall be prepared according to ISO 294. No annealing allowed. -,-,- ENGINEERING MATERIAL SPECIFICATION WSF-M4D881-A Copyright 2008,
7、 Ford Global Technologies, LLC Page 2 of 5 3.5.2 Density 1.05 - 1.11 g/cm (ISO 1183, Method A) (s) 3.5.3 Tensile Strength at Yield, min 40 MPa (ISO R 527, 150 minimum x 10 x 4.0 +/- 0.2 mm specimen, 50 mm/minute test speed) (s) 3.5.4 Flexural Modulus, min 1.8 GPa (ISO 178, 80 x 10 x 4.0 +/- 0.2 mm s
8、pecimen, 64 mm support span) 3.5.5 Shear Modulus at 23 C 7.6 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 centre of specimen A. Specimen length between clamps 35-40 mm. Soak time at each te
9、mperature interval - 3 minutes minimum) Additionally, a Shear Modulus vs. Temperature curve shall be plotted for -50 to +160 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.
10、0 +/- 0.2 mm specimen, 10 specimens for each test) 3.5.6.1 At 23 +/- 2 C 4.9 kJ/m 3.5.6.2 At -5 +/- 2 C 2.5 kJ/m 3.5.6.3 At -40 +/- 2 C 0.8 kJ/m The 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 wi
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