1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 09 10 N-STATUS Replaced by WSS-M4D1051-A1, WSS-M4D1052-A2, WSS-M4D1053-A1, WSS-M4D1053-A2 L. Soreide, NA 2006 06 28 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.8, 3.9 & 4 1994 01 25 Released NB00I10043054418 J.M. LaDuke Printed copies
2、are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 1 of 5 POLYCARBONATE (PC), 10% GLASS FIBER REINFORCED, WSB-M4D922-A POST CONSUMER RECYCLATE MOLDING COMPOUND NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a thermoplastic molding compound based
3、 on polycarbonate containing a minimum of 25% post consumer recycled polycarbonate. 2. APPLICATION This specification was released originally for material used for radiator mount bracket. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must co
4、nform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-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 3.0 - 11.0 g/10 minutes (ISO 1133, 300 C, 1.
5、2 kg) The material shall be dried for 2 h minimum at 120 - 125 C in a mechanical convection oven immediately preceding the test. (s) 3.4.2 Glass Fiber Content 9.0 - 13.0% (ISO 3451/2, Method A, 1 h at 650 +/- 50 C) 3.5 MOLDED TEST SPECIMEN 3.5.1 Preparation of Test Specimens Unless otherwise specifi
6、ed 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 shorter dimensions shall be cut from the center portion of the test specimen
7、 A and/or B. The specimens shall be prepared according to ISO 294. No annealing allowed. ENGINEERING MATERIAL SPECIFICATIONWSB-M4D922-APrinted copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 2 of 5 3.5.2 Density 1.24 - 1.30 g/cm (ISO 1183, Method A) (s) 3.5.3 Tensile Stren
8、gth at Max Load, min 44 MPa (ISO R 527, 150 minimum x 10 x 4.0 +/- 0.2 mm specimen, 50 mm/min test speed) (s) 3.5.4 Flexural Modulus, min 2.7 GPa (ISO 178, 80 x 10 x 4.0 +/- 0.2 mm specimen, 2 mm/min test speed, 64 mm support span) 3.5.5 Shear Modulus at 23 C 940 - 1570 MPa (ASTM D 4065, forced cons
9、tant 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 at each temperature interval - 3 minutes minimum) Additionally, a Shear Modulus versus Temperature c
10、urve shall be plotted for -50 to +170 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 4.0 +/- 0.2 mm specimen, 10 specimens for each test) 3.5.6.1 At 23 +/- 2 C 4.0 kJ/m 3.5.6
11、.2 At -40 +/- 2 C 4.0 kJ/mThe 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. (s) 3.5.7 Heat Deflection Temperature, min 125 C (ISO 75, 120 x 10 x 4.0 +/- 0.2 mm specimen, edgewi
12、se, 0.32 +/- 0.01 mm deflection. At 1.80 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. (s) 3.5.8 Vicat Softening Temperature, min 137 C (ISO 306, 10 x 10 x 4.0 +/- 0.2 mm specimens. Ba
13、th - silicone oil, temperature raise 50 +/- 5 C/h. Dial gage reset to 0 after addition of 5 kg weight. At 50.0 N load) ENGINEERING MATERIAL SPECIFICATIONWSB-M4D922-APrinted copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 3 of 5 All specimens dry as molded. If not tested im
14、mediately after molding, specimens must be stored in a sealed, moisture-proof container filled with silica gel. 3.5.9 Heat Aging Performance (ISO 188, except 150 +/- 50 air changes/h, 1000 h at 110 +/- 2 C. Unaged property values shall be determined at the time of the aged properties determination)
15、3.5.9.1 Tensile Strength at Max +/- 25% Load Change (Test Method per para 3.5.3) 3.5.9.2 Impact Strength, Izod Change +/- 40% (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) Fog Number, min 90 Formation of clear film, droplets or c
16、rystals is cause for rejection. 3.7 FLAMMABILITY (ISO 3795) Burn Rate, max 100 mm/minute The specimen size required for material approval is 355 x 100 x 1.6 +/- 0.1 mm with a smooth surface. 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting th
17、e requirements of this specification. 5.1 COEFFICIENT OF LINEAR THERMAL EXPANSION (ASTM E 831 TMA, temperature range -30 to +30 C) . Flow Direction 2.5-5/ C . Transverse to Flow 3.6-5/ C 5.2 MOLD SHRINKAGE (ISO 2577, approx. 150 x 100 x 3.2 +/- 0.2 mm injection molded specimen) ENGINEERING MATERIAL
18、SPECIFICATIONWSB-M4D922-APrinted copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 4 of 5 5.2.1 Molding Shrinkage . After 48 h at 23 +/- 2 C 1.11% 5.2.2 Post Shrinkage (Separate specimens required for each test) . After 48 h at 80 C 1.12% . After 30 min at 120 C 1.14% 5.3 HE
19、AT DEFLECTION TEMPERATURE 138 C (ISO 75, 120 x 10 x 4.0 +/- 0.2 mm specimen, edgewise, 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. 5.4 MELT VOLUM
20、E RATE 2.6 - 9.6 cm/10 minutes (ISO 1133, 300 C, 1.2 kg) The material shall be dried for 2 h minimum at 120 - 125 C in a mechanical convection oven immediately preceding the test. 5.5 RECYCLING CODE PC-GF10 ENGINEERING MATERIAL SPECIFICATIONWSB-M4D922-APrinted copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 5 of 5
