FORD-WSK-M4D682-A-2005.pdf
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1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions 2005 11 15 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.9, 3.10 & 4 2000 11 08 Revised Updated A. Cockman 1989 09 29 Released SM/EQ035825 TP P. Kuntze Printed copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page 1 of 5
2、 ACRYLONITRILE STYRENE ACRYLATE/POLYCARBONATE WSK-M4D682-A BLEND (ASA+PC), MEDIUM HEAT RESISTANT MEDIUM IMPACT STRENGTH, INTERIOR 1. SCOPE The material defined by this specification is a medium impact strength, medium heat resistant blend molding compound based on acrylonitrile styrene acrylate and
3、polycarbonate. 2. APPLICATION This specification was released originally for material used for interior C/D pillars. 3. REQUIREMENTS Material specification requirements are to be used for initial qualification of materials. 3.0 STANDARD REQUIREMENT FOR PRODUCTION MATERIALS Material suppliers and par
4、t producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.4 MOLDING COMPOUND 3.4.1 Melt Flow Rate 9 - 15 g/ (ISO 1133/ASTM D 1238 10 minutes 260 C, 5 kg) The material shall be dried for 2 h minimum at 105 - 110 C in a mechanical convection oven immed
5、iately 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 (Tensile Bar, ISO 3167) B. 120 x
6、 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 specimens shall be prepared according to ISO 294. No annealing allowed. ENGINEERING MATERIAL SPECIFICATION WSK-M4D682-A Printed copies are uncontrolled Copyright 2005, For
7、d Global Technologies, LLC Page 2 of 5 3.5.2 Density 1.13-1.18 g/cm3 (ISO 1183, Method A/ASTM D 792, Method A1) 3.5.3 Tensile Strength at Max Load, min 51 MPa (ISO R 527/ASTM D 638M, 150 x 10 x 4.0 +/-0.2 mm specimen, 50 mm/min test speed) 3.5.3.1 Elongation at Break, min 75% (Test Method according
8、to para 3.5.3) 3.5.4 Flexural Modulus, min 2.0 GPa (ISO 178/ASTM D 790M, Method I, Procedure A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 64 mm support span) 3.5.5 Shear Modulus at 23 C 750 - 1040 MPa (ASTM D 4065, forced constant amplitude, fixed frequency of 1 Hz +/- 15%, strain level below 1%. Specimen
9、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 minutes minimum) Additionally, a Shear Modulus vs. Temperature curve shall be plotted for -50 to +120 C temperature range, at 5 C minimum intervals.
10、 The plotted curve must be within tolerance range shown on page 5. 3.5.6 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 for each test) 3.5.6.1 At 23 +/- 2 C 48 kJ/m2 3.5.6.2 At -10 +/- 2 C 20 kJ/m2 3.5.6.3 At -40 +/- 2 C 10 kJ/m2
11、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 within the cold box, if not possible, test can be conducted outside, but within 5 s. 3.5.7 Heat Deflection Temperature, min (ISO 75/ASTM D 648, 120
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