1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2009 07 30 N-STATUS No Replacement Named Y. Bankowski, NA 2006 02 28 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.8, 3.9 Revised title and paras 3, 3.4.2 M. Masserant1997 08 06 Activated A. Brooks, M. Masserant Printed copies are uncontrolle
2、d Copyright 2009, Ford Global Technologies, LLC Page 1 of 5 POLYCARBONATE (PC), 10% GLASS FIBER WSS-M4D309-C REINFORCED MOLDING COMPOUND NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a polycarbonate thermo-plastic molding compound, reinforced with glass fibers.
3、 2. APPLICATION This specification was originally released for use in window guide shoes and headlamp brackets as well as other applications where heat resistance and strength are required. 3. REQUIREMENTS Material specification requirements are to be used for initial qualification of materials. 3.0
4、 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). Part producers using this material in their products, must use Ford approved materials and must conform to a process con
5、trol plan which has been approved by STA and/or the relevant Materials Activity. 3.4 MOLDING COMPOUND (s) 3.4.1 Melt Flow Rate 4.0 - 12.0 g/10 minutes (ISO 1133, 300 C, 1.2 kg) The material shall be dried for 2h minimum at 120 - 125 C in a mechanical convection oven immediately preceding the test. (
6、s) 3.4.2 Glass Fiber Content 8.0 - 10.0% (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 specified all tests shall be carried out on injection molded one-end gated test specimens. ENGINEERING MATERIAL SPECIFICATIONWSS-M4D309-C
7、 Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 2 of 5 The following dimensions are required: A. 150 min x 10 x 4.0 +/- 0.2 mm (ISO 3167, Type 1A) B. 60 x 60 x 2.0 +/- 0.1 mm (ISO/DIS 294-3) C. 355 x 100 x 1.0 +/-0.1 mm (ISO 3795) Test specimen A shall be molded u
8、sing molding conditions defined in ISO 294. Specimens with shorter dimensions shall be cut from the center of the specimen A. No annealing allowed. 3.5.2 Density 1.24 - 1.30 g/cm3(ISO 1183, Method A) (s) 3.5.3 Tensile Strength at Max Load, min 44 MPa (ISO R 527-1, 150 min x 10 x 4.0 +/- 0.2 mm speci
9、men, test speed: 50 mm/ minute or 5 mm/minute) (s) 3.5.4 Flexural Modulus, min 2.7 GPa (ISO 178, 80 x 10 x 4.0 +/- 0.2 mm specimen use center section of specimen A, 2 mm/min test speed, 64 mm support span) 3.5.5 Shear Modulus at 23 C 940 1570 MPa/GPa (ASTM D 5279, forced constant amplitude, fixed fr
10、equency of 1 Hz +/- 15%, strain level below 1%. Specimen approximately 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 min) Additionally, a shear modulus versus temperature curve shall be plotte
11、d for -50 to +170 C temperature range, at 5 C min 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 use center section of specimen A, 10 specimens for each test) 3.5.6.1 At 23 +/- 2 C 4.0 k
12、J/m23.5.6.2 At -40 +/- 1 C 4.0 kJ/m2The test specimen must be conditioned for min of 6 h at the above specified temperature prior to impact test. Low temperature testing shall be done within the cold chamber, if not possible, test may be conducted outside, but within 5 s. ENGINEERING MATERIAL SPECIF
13、ICATIONWSS-M4D309-C Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 3 of 5 (s) 3.5.7 Heat Deflection Temperature, min 125 C (ISO 75, 120 x 10 x 4.0 +/- 0.2 mm specimen ,edgewise, 0.32 +/- 0.1 mm deflection. At 1.80 MPa) 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. (s) 3.5.8 Vicat Softening Temperature, min 137 C (ISO 306, 10 x 10 x 4.0 +/- 0.2 mm specimens use center section of specimen A. Bath - silicone oil, temperature raise 50 +/- 5 C/h. Dial ga
15、ge reset to O 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 Heat Aging Performance (ISO 188, except 150 +/- 50 air changes/h, 1000 h at 11
16、0 +/- 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 +/- 25% (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 agi
17、ng) 3.6 FOGGING (SAE J1756, 3 h at 100 C heating, 21 C cooling plate, post test conditioning 1 h) Fog Number, min 90 Formation of clear film, droplets or crystals is cause for rejection. 3.7 FLAMMABILITY (ISO 3795/SAE J369) Burn Rate, max 100 mm/minute The specimen size required for material approva
18、l is 355 x 100 x 1.6 +/- 0.1 mm (use specimen C) with a smooth surface. ENGINEERING MATERIAL SPECIFICATIONWSS-M4D309-C Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 4 of 5 5. GENERAL INFORMATION The information given below is provided for clarification and assist
19、ance in meeting the 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/DIS 294-3, 60 x 60 x 2.0 +/- 0.1 mm injection molded specimen) 5.2.1 Molding
20、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 minutes at 120 C 1.14% 5.3 HEAT DEFLECTION TEMPERATURE 138 C (ISO 75, 120 x 10 x 4.0 +/- 0.2 mm specimen use center section of specimen A, edgewise 0.32 +/- 0.1
21、 mm deflection. At 0.45 MPa) 5.4 MELT VOLUME RATE 2.6 - 9.6 cm3/10 minutes (ISO 1133, 300 C, 1.2 kg) The material shall be dried to 2 h min at 120 - 125 C in a mechanical convection oven immediately preceding the test. 5.5 RECYCLING CODE PC-GF10 ENGINEERING MATERIAL SPECIFICATIONWSS-M4D309-C Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 5 of 5
