1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Ver. 4 2008 08 08 N-STATUS Replaced by ESB-M4D483-A1 C. Boese, FNA 2005 12 07 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.8, 3.9 & 4 1990 03 01 Released C/01031533 P. Kuntze Printed copies are uncontrolled Copyright 2008, Ford Global Techn
2、ologies, LLC Page 1 of 4 ABS, 16% GLASS FIBER REINFORCED MOLDING WSK-M4D722-A COMPOUND NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a glass fiber reinforced molding compound based on acrylonitrile butadiene styrene (ABS). 2. APPLICATION This specification was
3、released originally for material used for instrument panel carrier. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATEIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.4 MOLDING COMPOUND 3.4.1 Melt Fl
4、ow Rate, min 12 g/10 minutes (ISO 1133/ASTM D 1238, 220 C, 10 kg) The material shall be dried for 2 h minimum at 80 - 85 C in a mechanical convection oven immediately preceding the test. 3.4.2 Glass Fiber Content 15 - 17% (ISO 3451/1, Method A, at 650 +/- 25 C, test portion 2.5 - 3.0 g) 3.5 MOLDED T
5、EST 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 with sho
6、rter 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 1.14 - 1.20 g/cm3 (ISO 1183, Method A/ASTM D 792, Method A1) ENGINEERING MATERIAL SPECIFICATION WSK-M4D722-A Printed copies
7、are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 2 of 4 3.5.3 Tensile Strength at Max Load, min 70 MPa (ISO R 527/ASTM D 638M, 150 x 10 x 4.0 +/- 0.2 mm specimen, 5 mm/minute) 3.5.4 Flexural Modulus, min 4.6 GPa (ISO 178/ASTM D 790M, Method I, Procedure A, 80 x 10 x 4.0 +/- 0.2 mm
8、 specimen, 64 mm support span) 3.5.5 Shear Modulus at 23 C 1.0 - 1.5 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 a
9、t each temperature interval: 3 minutes minimum) Additionally, a Shear Modulus vs. Temperature curve shall be plotted for -50 to +125 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/AS
10、TM 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 5.5 kJ/m2 3.5.6.2 At -40 +/- 2 C 5.5 kJ/m2 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 do
11、ne within the cold box, if not possible, test can be conducted outside, but within 5 s. 3.5.7 Heat Deflection Temperature, min 96 C (ISO 75/ASTM D 648, 120 x 10 x 4.0 +/- 0.2 mm specimen. At 1.82 MPa) All specimens dry as molded. If not tested immediately after molding, specimens must be stored in a
12、 sealed, moisture-proof container filled with silica gel. 3.5.8 Vicat Softening Temperature, min 102 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 49.0 N load) All specimens dry as molded. If not
13、tested immediately after molding, specimens 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 90 +/- 2 C. Unaged property values shall be determined at the time of the aged properties det
14、ermination) ENGINEERING MATERIAL SPECIFICATION WSK-M4D722-A Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 3 of 4 3.5.9.1 Tensile Strength Change +/- 15% (Test Method per para 3.5.3) 3.5.9.2 Impact Strength, Izod Change +/- 15% (Test Method per para 3.5.6.1, speci
15、mens 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 1.9 +/- 0.1 mm with a smooth surface. 3.7 FOGGING (FLTM BO 116-03) Fog Number, min 90 Formation of excessive amounts of clear film or droplet
16、s is cause for rejection. 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 COEFFICIENT OF LINEAR THERMAL EXPANSION 5.4-5/ C (ASTM D 696) 5.2 MOLD SHRINKAGE (ISO 2577, approx. 150 x 100 x 3.2 +/- 0.2
17、 mm injection molded specimen) 5.2.1 Molding Shrinkage . After 48 h at 23 +/- 2 C 0.2 - 0.3% 5.2.2 Post Shrinkage (Separate specimens required for each test) . After 48 h at 80 C 0.05% 5.3 MELT VOLUME RATE, min 11.5 cm3/ (ISO 1133/ASTM D 1238, 220 C, 10 kg) 10 minutes The material shall be dried for
18、 min of 2 h at 80 - 85 C in a mechanical convection oven immediately preceding the test. 5.4 HEAT DEFLECTION TEMPERATURE, min 100 C (ISO 75/ASTM D 648, 120 x 10 x 4.0 +/- 0.2 mm specimen. At 0.45 MPa) 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. ENGINEERING MATERIAL SPECIFICATION WSK-M4D722-A Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 4 of 4
