1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Ver. 3 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 1995 01 03 Released EP00E10460355000 L. Rodigas Printed copies are uncontrolled Copyright 2008, Ford Globa
2、l Technologies, LLC Page 1 of 5 ABS, 7% GLASS FIBER REINFORCED WSK-M4D722-A2 MOLDING COMPOUND NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a 7% glass fiber reinforced molding compound based on acrylonitrile/butadiene/styrene (ABS). 2. APPLICATION This specific
3、ation was released originally for material used for the hood release handle. 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-M99P1111-A). 3.1.1 All requirements o
4、f 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 3.0 - 8.0 g/10 minutes (ISO 1133, 220 C, 10 kg) The material shall be dried for 2 h minimum at 80 - 85 C in a mechanical convection oven immediately prece
5、ding the test. (s) 3.4.2 Glass Fiber Content 5 - 9% (ISO 3451/1, Method A, at 650 +/- 25 C, test portion 2.5 to 3.0 g) 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 followin
6、g 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 ENGINEERING MATERIAL SPECIFICATION WSK-M4D722-A2 Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 2 of 5 Specimens with shorter dimensions shall be cut f
7、rom 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 1.05 - 1.15 g/cm3 (ISO 1183, Method A) (s) 3.5.3 Tensile Strength at Max Load, min 55 MPa (ISO R 527, 150 minimum x 10 x 4.0 +/- 0.2 mm specimen, 5 mm/min
8、ute) (s) 3.5.4 Flexural Modulus, min 3.0 GPa (ISO 178, 80 x 10 x 4.0 +/- 0.2 mm specimen, 64 mm support span) 3.5.5 Shear Modulus at 23 C 0.88 - 1.46 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 fro
9、m 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 versus Temperature curve shall be plotted for -50 to +120 C temperature range, at 5 C minimum intervals. The plotted curve must be within to
10、lerance 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 specimen, 10 specimens for each test) 3.5.6.1 At 23 +/- 2 C 5.0 kJ/m2 3.5.6.2 At -40 +/- 1 C 3.0 kJ/m2 The test specimens must be conditioned for minimum of 6 h at the above specified temperatur
11、e prior to impact test. Low temperature testing shall be done within the cold box. (s) 3.5.7 Heat Deflection Temperature, min 90 C (ISO 75, 120 x 10 x 4.0 +/- 0.2 mm specimen, edgewise, 0.32 +/- 0.01 mm deflection. At 1.80 MPa) All specimens dry as molded. If not tested immediately after molding, sp
12、ecimens must be stored in a sealed, moisture-proof container filled with silica gel. ENGINEERING MATERIAL SPECIFICATION WSK-M4D722-A2 Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 3 of 5 (s) 3.5.8 Vicat Softening Temperature, min 102 C (ISO 306, 10 x 10 x 4.0 +/-
13、 0.2 mm specimens. Bath - silicone oil, temperature raise 50 +/- 5 C/h. Dial gage reset to 0 after addition of 5 kg weight. At 50 N load) 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. 3.5.9
14、 Heat Aging Performance (ISO 188, except 150 +/- 50 air changes/h, 1000 h at 80 +/- 2 C. Unaged property values shall be determined at the time of the aged properties determination) 3.5.9.1 Tensile Strength at Max Load Change +/- 15% (Test Method per para 3.5.3) 3.5.9.2 Impact Strength, Izod Change
15、+/- 15% (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 C heating, 21 C cooling plate) Fog Number, min 90 Formation of clear film, droplets or crystals is cause for rejection. 3.7 FLAMMABILITY (ISO 3795) Burn Rate, max 100 mm/minute T
16、he specimen size required for material approval is 355 x 100 x 1.9 +/- 0.1 mm with a smooth surface. 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 8-5/ C
17、 (ASTM E 228 or TMA, temperature range -30 to +30 C) ENGINEERING MATERIAL SPECIFICATION WSK-M4D722-A2 Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 4 of 5 5.2 MOLD SHRINKAGE (ISO 2577, approx. 150 x 100 x 3.2 +/- 0.2 mm injection molded specimen) 5.2.1 Molding Sh
18、rinkage . After 48 h at 23 +/- 2 C 0.4 - 0.7% 5.2.2 Post Shrinkage (Separate specimens required for each test) . After 48 h at 80 C 0.0 - 0.1% 5.3 MELT VOLUME RATE 3.0 - 8.0 g/10 minutes (ISO 1133, 220 C, 10 kg) NOTE: The material shall be dried for 2 h minimum at 80 - 85 C in a mechanical convectio
19、n oven immediately preceding the test. 5.4 HEAT DEFLECTION TEMPERATURE, min 94 C (ISO 75, 120 x 10 x 4.0 +/- 0.2 mm specimen, 0.32 +/- 0.01 mm deflection. 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. 5.5 RECYCLING CODE ABS-GF07 ENGINEERING MATERIAL SPECIFICATION WSK-M4D722-A2 Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 5 of 5
