1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions 2011 03 01 N-Status WSB-M4D619-A2 N Status No replacement named A Pan, APA 2005 09 28 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.6, 3.7 & 4 1989 05 26 Released NB00E100211051 M. A. Myers RJD MP Printed copies are uncontrolled Copyright 20
2、11, Ford Global Technologies, LLC Page 1 of 4 POLYPROPYLENE (PP) SHEET, 30% CONTINUOUS WSB-M4D619-A1 GLASS FIBER REINFORCED POLYPROPYLENE (PP) SHEET, 30% LONG GLASS WSB-M4D619-A2 FIBER REINFORCED NOT TO BE USED FOR NEW DESIGN 1. SCOPE The materials defined by these specifications are sheets composed
3、 of homopolymer polypropylene matrix, with 30% by weight, continuous (WSB-M4D619-A1) or long (WSB-M4D619-A2) glass fiber reinforcement. The continuous reinforcement is arranged in a swirl pattern to give essentially isotropic properties. These sheets are specifically designed for thermo-plastic stam
4、ping. 2. APPLICATION These specifications were released originally for material used to manufacture engine covers, load floors and battery trays. 3. REQUIREMENTS Material specification requirements are to be used for initial qualification of materials. 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERI
5、ALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.4 MOLDED TEST SPECIMEN 3.4.1 Preparation of Test Specimens Unless otherwise specified all tests shall be carried out on test specimens machined from thermoformed
6、test sheets. 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 3.4.2 Glass Fiber Content 26 - 34% (ISO 3451/1, Method A 1 h at 650 +/- 25 C) 3.4.3 Density 1.01 - 1.19 g/cm3 (ISO 1183, Method A/ASTM D 792, Method A1) 3.4.4 Ten
7、sile Strength at Max Load min 48 MPa (ISO R 527/ASTM D 638M, 150 min x 10 x 4.0 +/- 0.2 mm specimen, 5 mm/min test speed) ENGINEERING MATERIAL SPECIFICATION WSB-M4D619-A1/A2 Printed copies are uncontrolled Copyright 2011, Ford Global Technologies, LLC Page 2 of 4 3.4.5 Flexural Modulus, min 2.5 GPa
8、ISO 178/ASTM D 790M, Method I, Procedure A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 64 mm support span) 3.4.6 Shear Modulus at 23 C 975 - 1625 MPa (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 cente
9、r of specimen A. Additionally, a Shear Modulus vs. Temperature curve shall be plotted for -50 to +140 C temperature range, at 5 C minimum intervals. The plotted curve must be within tolerance range shown on page 4. A1 A2 3.4.7 Impact Strength, Izod, kJ/m2, min (ISO 180, Method A/ASTM D 256, Method A
10、 63.5 x 10 x 4.0 +/- 0.2 mm specimen, 10 specimens for each test) 3.4.7.1 At 23 +/- 2 C 42.0 29.0 3.4.7.2 At -40 +/- 2 C 42.0 42.0 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 done within the cold
11、 box, if not possible, test can be conducted outside, but within 5 s. 3.4.8 Heat Deflection Temperature, min (ISO 75/ASTM D 648, 120 x 10 x 4.0 +/- 0.2 mm specimen) 3.4.8.1 At 1.82 Mpa 120 C 3.4.8.2 At 0.45 Mpa 155 C 3.4.9 Heat Aging Performance (ISO 188/ASTM D 573, 1000 h at 125 +/- 2 C. Unaged pro
12、perty values shall be determined at the time of the aged properties determination) 3.4.9.1 Tensile Strength Change +/- 15% (Test Method per para 3.5.3) 3.4.9.2 Impact Strength, Izod Change, max -15% (Test Method per para 3.5.6.1, specimens to be notched before heat aging) 3.5 FLAMMABILITY (ISO 3795)
13、 Burn Rate, max 100 mm/minute The specimen size required for material approval is 355 x 100 x 3.2 +/- 0.1 mm with a smooth surface. ENGINEERING MATERIAL SPECIFICATION WSB-M4D619-A1/A2 Printed copies are uncontrolled Copyright 2011, Ford Global Technologies, LLC Page 3 of 4 5. GENERAL INFORMATION The
14、 information given below is provided for clarification and assistance in meeting the requirements of these specifications. 5.1 COEFFICIENT OF LINEAR THERMAL EXPANSION 2.7-5/ C (ASTM D 696) 5.2 MOLD SHRINKAGE (ISO 2577, approx. 150 x 100 x 3.2 +/- 0.2 mm specimens cut from thermoformed sheets) 5.2.1 Molding Shrinkage After 48 h at 23 +/- 2 C 0.30% ENGINEERING MATERIAL SPECIFICATION WSB-M4D619-A1/A2 Printed copies are uncontrolled Copyright 2011, Ford Global Technologies, LLC Page 4 of 4
