1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2006 05 16 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.8, 3.9 Fixed numbering 3.5.8 1992 11 05 Released NB00I10043054210 M.A. Myers Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 1 of 4 POLYPHTHALAMIDE (PPA),
2、45% GLASS FIBER REINFORCED WSB-M4D861-A HEAT STABILIZED MOLDING COMPOUND 1. SCOPE The material defined by this specification is a heat stabilized, very high heat resistant, 45% glass fiber reinforced polyphthalamide (PPA) molding compound. 2. APPLICATION This specification was released originally fo
3、r material used for park/turn bulb bases for the 1993 Lincoln Mark VIII. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.3 CONDITIONING AND TEST CO
4、NDITIONS All test values indicated herein are based on material and specimens with moisture content not exceeding 0.2% (test according to ISO 960, Method B). All test materials immediately after processing have to be sealed in containers that are impermeable to water vapor. If the moisture content e
5、xceeds 0.2%, condition the material for a minimum of 16 h at 40 - 50 C at a reduced pressure below 133 Pa. Conduct tests in a controlled atmosphere of 23 +/- 2 C and 50 +/- 5% relative humidity. Individual specimens shall not be removed from closed containers until immediately before testing. 3.4 MO
6、LDING COMPOUND 3.4.1 Glass Fiber Content 42 - 48% (ISO 3451/4, 600 +/- 25 C) 3.4.2 Melt Temperature, min 295 C (ISO 1218, Method B/ASTM D 789) 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
7、 specimens. ENGINEERING MATERIAL SPECIFICATIONWSB-M4D861-APrinted copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 2 of 4 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 dime
8、nsions 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 1.53 - 1.63 g/cm (ISO 1183, Method A/ASTM D 792, Method A1) 3.5.3 Tensile Strength at Max Load, min 220 MPa (ISO R 527/ASTM D 638M, 1
9、50 min x 10 x 4.0 +/- 0.2 mm specimen, 5 mm/min test speed) 3.5.4 Flexural Modulus, min 12.0 GPa (ISO 178/ASTM D 790M, Method I, Procedure A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 2 mm/min test speed, 64 mm support span, the radius of the loading nose 5.0 +/- 0.1 mm and of the supports 2.0 +/- 0.2 mm)
10、3.5.5 Shear Modulus at 23 C 2.25 - 3.75 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 interval -
11、3 minutes minimum). Additionally, a Shear Modulus vs. Temperature curve shall be plotted for -50 to +280 C temperature range, at 5 C minimum intervals. The plotted curve must be within tolerance range shown on page 4. 3.5.6 Impact Strength, Izod, min (ISO 180, Method A/ASTM D 256, Method A, 80 x 10
12、x 4.0 +/- 0.2 mm specimen, 10 specimens for each test) 3.5.6.1 At 23 +/- 2 C 6.0 kJ/m 3.5.6.2 At -40 +/- 2 C 6.0 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, if not po
13、ssible, test can be conducted outside, but within 5 s. 3.5.7 Heat Deflection Temperature, min 263 C (ISO 75/ASTM D 648, 120 x 10 x 4.0 +/- 0.2 mm specimen, at standard deflection of 0.32 +/- 0.01 mm. At 1.80 MPa) ENGINEERING MATERIAL SPECIFICATIONWSB-M4D861-APrinted copies are uncontrolled Copyright
14、 2006, Ford Global Technologies, LLC Page 3 of 4 3.5.8 Heat Aging Performance (ISO 188/ASTM D 573, 150 +/- 50 air changes/h, 1000 h at 180 +/- 2 C. Unaged property values shall be determined at the time of the aged properties determination) 3.5.8.1 Tensile Strength at Change +/- 25% (Test Method per
15、 para 3.5.3) 3.5.8.2 Impact Strength, Izod Change +/- 25% (Test Method per para 3.5.6.1, specimens to be notched before heat aging) 3.6 FLAMMABILITY (ISO 3795) 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. 3.7 FOGGI
16、NG (FLTM BO 116-03, 3 h at 100 C) Fog Number, min 90 Formation of excessive amounts of clear film or droplets is cause for rejection. 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. MD TD 5.1 COEFFICIE
17、NT OF LINEAR THERMAL EXPANSION EXPANSION, -5/ C (ASTM D 696) 5.1.1 From 0 to 100 +/- 2 C 1.5 5.2 5.1.2 From 100 to 250 +/- 2 C 1.0 10.2 5.2 MOLD SHRINKAGE (ISO 2577, approx. 150 x 100 x 3.2 +/- 0.2 mm injection molded specimen) 5.2.1 Molding Shrinkage, % . After 48 h at 23 +/- 2 C 0.2 0.3 5.3 RECYCLING CODE PPA-GF45 ENGINEERING MATERIAL SPECIFICATIONWSB-M4D861-APrinted copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 4 of 4
