1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 10 07 N-STATUS No replacement named L. Soreide, NA 2006 05 22 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.8, 3.9 & 4 1994 10 25 Released NB00I10043054371 M. Myers Printed copies are uncontrolled Copyright 2010, Ford Global Technologies
2、 LLC Page 1 of 4 POLYPROPYLENE (PP) HOMOPOLYMER, 50% LONG GLASS WSB-M4D865-A2 FIBER REINFORCED MOLDING COMPOUND NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is an injection molding compound composed of a homopolymer polypropylene matrix, with 50% by weight long
3、glass fiber reinforcement. 2. APPLICATION This specification was released originally for material used to manufacture structural mirror components with no direct exposure to sunlight. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must confor
4、m 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 Glass Fiber Content 45 - 55% (ISO 3451/1, Method A, 1 h at 650
5、/- 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 mm (Tensile Bar, ISO 3167) B. 120 x 10 x 4.0 +/- 0.2
6、 mm Specimens with shorter dimensions 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 allowed. 3.5.2 Density 1.29 - 1.39 g/cm (ISO 1183, Method A) ENGINEERING MATERIAL SPECIFICATIONWSB-M4D865-A2Printed copies ar
7、e uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 2 of 4 (s) 3.5.3 Tensile Strength at Max Load, min 90.0 MPa (ISO R 527, 150 minimum x 10 x 4.0 +/- 0.2 mm specimen, 5 mm/minute test speed) (s) 3.5.4 Flexural Modulus, min 8.50 GPa (ISO 178, 80 x 10 x 4.0 +/- 0.2 mm specimen, 64 mm su
8、pport span) 3.5.5 Shear Modulus at 23 C 1.5 - 2.5 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 from the center of specimen A. Specimen length between clamps 35-40 mm. Soak time at each temperature i
9、nterval - 3 minutes minimum) Additionally, a Shear Modulus versus Temperature curve shall be plotted for -50 to +150 C temperature range, at 5 C minimum intervals. The plotted curve must be within tolerance range shown on page 4. (s) 3.5.6 Impact Strength, Izod, min (ISO 180/1A, 80 x 10 x 4.0 +/- 0.
10、2 mm specimen, 10 specimens for each test) 3.5.6.1 At 23 +/- 2 C 12.0 kJ/m 3.5.6.2 At -40 +/- 1 C 13.0 kJ/m 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 box, if not possible, t
11、est can be conducted outside, but within 5 s. (s) 3.5.7 Heat Deflection Temperature, min 150 C (ISO 75, 120 x 10 x 4.0 +/- 0.2 mm specimen, edgewise, 0.32 +/- 0.01 mm deflection. At 1.80 MPa) 3.5.8 Heat Aging Performance (ISO 188, except 150 +/- 50 air changes/h, 1000 h at 120 +/- 2 C. Unaged proper
12、ty values shall be determined at the time of the aged properties determination) 3.5.8.1 Tensile Strength Change +/- 25% (Test Method per para 3.5.3) ENGINEERING MATERIAL SPECIFICATIONWSB-M4D865-A2Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 3 of 4 3.5.8.2 Impact
13、 Strength, Izod Change +/- 25% (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 Ra
14、te, 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. 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 THE
15、RMAL EXPANSION (ASTM D 696) 5.1.1 Parallel to Flow 1.8-5/ C 5.1.2 Perpendicular to Flow 7.6-5/ C 5.2 MOLD SHRINKAGE (ISO 2577, approx. 150 x 100 x 3.2 +/- 0.2 mm molded specimen) 5.2.1 Molding Shrinkage . After 48 h at 23 +/- 2 C 0.04 - 0.06% 5.3 HEAT DEFLECTION TEMPERATURE, min 160 C (ISO 75, 120 x 10 x 4.0 +/- 0.2 mm specimen, edgewise, 0.32 +/- 0.01 mm deflection. At 0.45 MPa) 5.4 RECYCLING CODE PP-GF50 ENGINEERING MATERIAL SPECIFICATIONWSB-M4D865-A2Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 4 of 4
