1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev 03 2012 08 27 N Status Replaced by WRS-M4D854-B3 V. Cerato, EU 2006 05 16 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.9, 3.10 & 4 1998 02 05 Preliminary L. Rodigas Controlled document at www.MATS Copyright 2012, Ford Global Technologie
2、s, LLC Page 1 of 4 POLYPROPYLENE (PP), 30% GLASS FIBER WSS-M4D854-A4 REINFORCED MOLDING COMPOUND, 50% MIN RECYCLED CONTENT NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a 30% glass fiber reinforced injection molding compound based on 50% min recycled polypropyl
3、ene homopolymer or copolymer obtained from post consumer sources. 2. APPLICATION This specification was released originally for material used for the battery tray. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys St
4、andard 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 2 - 6 g/ (ISO 1133,230 C, 2.16 kg) 10 minutes (s) 3.4.2 Glass Fiber
5、Content 28 - 32% (ISO 3451/1, Method A, 1 h at 650 +/- 25 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. The following dimensions are required: A. 150 min x 10 x 4.0 +/- 0.2 m
6、m (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 cut from the center portion of the test specimen A and/or B. The specimens shall be prepared according to ISO 294. No annealing. Test specimen A shall be molded using m
7、olding conditions defined in ISO 3167. Specimens with shorter dimensions shall be cut from the center of specimen A. No annealing allowed. ENGINEERING MATERIAL SPECIFICATION WSS-M4D854-A4 Copyright 2012, Ford Global Technologies, LLC Page 2 of 4 3.5.2 Density 1.08 - 1.14 (ISO 1183, Method A) g/cm3 (
8、s) 3.5.3 Tensile Strength at Max Load, min 55 MPa (ISO R 527-1 and ISO 527-2, 150 min x 0.2 mm specimen, 50 mm/minute) (10 x 4.0 +/- 0.2 mm specimen, test speed: 50 mm/minute) (s) 3.5.4 Flexural Modulus, min 3.8 GPa (ISO 178, 80 x 10 x 4.0 +/- 0.2 mm specimen (use center section of specimen A), 2 mm
9、/minute test speed, 64 mm support span) 3.5.5 Shear Modulus at 23 C 0.80 - 1.30 GPa (ASTM D 5279, forced constant amplitude, fixed frequency 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 -
10、40 mm. Soak time at each temperature interval - 3 minutes min) Additionally, a Shear Modulus versus temperature curve shall be plotted for -50 to +150 C temperature range, at 5 C min intervals. The plotted curve must be within tolerance range granted on the original material approval and it shall co
11、nstitute the reference standard for materials supplied to this specification and shall be kept on file at the designated material laboratory and be available on request. (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 specime
12、ns for each test) 3.5.6.1 At 23 +/- 2 C 10 kJ/m2 3.5.6.2 At -40 +/- 2 C 5 kJ/m2 The test specimens 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
13、, but within 5 s. (s) 3.5.7 Heat Deflection Temperature, min 132 C (ISO 75-1 and ISO 75-2, 120 x 10 x 4.0 +/- 0.2 mm specimen (use center section of specimen A), edgewise, 0.32 +/- 0.01 mm deflection. At 1.80 MPa) ENGINEERING MATERIAL SPECIFICATION WSS-M4D854-A4 Copyright 2012, Ford Global Technolog
14、ies, LLC Page 3 of 4 3.5.9 Heat Aging Performance (ISO 188, except 150 +/- 50 air changes/ h, 1000 h at 130 +/- 2 C. After heat aging test specimens are to be conditioned in a desiccator for 3 - 5 h at 23 +/- 2 C. Unaged property values shall be determined at the time of the aged properties determin
15、ation) 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 -25% Change, max (Test Method per para 3.5.6.1, specimens to be notched before heat aging) 3.6 FOGGING (SAE J1756, 3 h at 100 C heating, 21 C cooling plate, post test conditioning 1
16、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 approval is 355 x 100 x 1.0 +/- 0.1 mm (use specimen C) with a smooth surface. 3.8 ODOR, max Rating 2
17、(SAE J1351/FLTM BO 131-01) 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 2 - 10-5/ C (ASTM E 831 TMA, temperature range -20 to +80 C) 5.2 MOLD SHRINKAGE (I
18、SO/DIS 294-3, 60 x 60 x 2.0 +/- 0.1 mm injection molded specimen) 5.2.1 Molding Shrinkage . After 48 h at 23 +/- 2 C 0.2 - 0.8% ENGINEERING MATERIAL SPECIFICATION WSS-M4D854-A4 Copyright 2012, Ford Global Technologies, LLC Page 4 of 4 5.2.2 Post Shrinkage (Separate specimens required for each test)
19、. After 48 h at 80 C 0.1 - 0.4% . After 30 minutes at 120 C 0.2 - 0.5% 5.3 HEAT DEFLECTION TEMPERATURE, min 130 C (ISO 75-1 and ISO 75-2, 80 x 10 x 4.0 +/- 0.2 mm specimen (use center section of specimen A), flatwise, 0.34 +/- 0.01 mm deflection. At 1.8 MPa) All specimens dry as molded. If not teste
20、d immediately after molding, specimens must be stored in a sealed, moisture-proof container filled with silica gel. 5.4 IMPACT STRENGTH, CHARPY (ISO 179/1eA, 80 x 10 x4.0 +/- 0.2 mm specimen (use center section of specimen A), 10 specimens for each test) 5.4.1 At 23 +/- 2 C 8 kJ/m2 5.4.2 At -40 +/-
21、2 C 5 kJ/m2 The test specimens 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. 5.5 MODULUS OF ELASTICITY 4.0 GPa (ISO 527-1 and 527-2, 150 min x 10 x 4 +/- 0.2 mm specimen, test speed: 1 mm/minute) 5.6 MATERIAL IDENTIFICATION FOR RECYCLING PURPOSES PP-GF30
