1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 01 20 N-STATUS No replacement named J. Crist, NA 2006 07 18 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.8, 3.9 & 4 1994 09 01 Released EP00E10348605000 K. Gerhards Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LL
2、C Page 1 of 4 POLYAMIDE 46 (PA46), 30% GLASS SPHERE WSK-M4D916-A REINFORCED MOLDING COMPOUND NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a 30% glass sphere reinforced type 46 polyamide molding compound. 2. APPLICATION This specification was released originall
3、y for material used for bracket maxifuse. 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). 3.1.1 All requirements of this specification, identified by
4、 symbol(s), shall be met with data representing 3 sigma values. 3.3 CONDITIONING AND TEST CONDITIONS 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 ha
5、ve to be sealed in containers that are impermeable to water vapor. If the moisture content exceeds 0.2%, condition the material for a minimum of 16 h at 40 - 50 C at a reduced pressure below 133 Pa. 3.4 MOLDING COMPOUND (s) 3.4.1 Glass Filler Content 28 - 32% (ISO 3451/4, test temperature 600 +/- 25
6、 C, test portion 1 g) (s) 3.4.2 Melt Temperature, min 285 - 295 C (ISO 3146, Method C, 10 C/min heating rate) 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 dimensi
7、ons 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 ENGINEERING MATERIAL SPECIFICATIONWSK-M4D916-APrinted copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 2 of 4 Specimens with shorter dimensions shall be cut from the cent
8、er 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 1.37 - 1.43 g/cm3(ISO 1183, Method A) (s) 3.5.3 Tensile Strength at Max.Load, min 85 MPa (ISO R 527, 150 minimum x 10 x 4.0 +/- 0.2 mm specimen, 50 mm/min test speed,
9、 (s) 3.5.4 Flexural Modulus, min 3.2 GPa (ISO 178, 80 x 10 x 4.0 +/- 0.2 mm specimen, 2 mm/min test speed, 64 mm support span) 3.5.5 Shear Modulus at 23 C 1.65 - 2.76 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 +
10、/- 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 minimum) Additionally, a Shear Modulus versus Temperature curve shall be plotted for -50 to +195 C temperature range, at 5 C minimum intervals. The plotted curve m
11、ust 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 +/- 0.2 mm specimen, 10 specimens for each test) 3.5.6.1 At 23 +/- 2 C 3 kJ/m23.5.6.2 At -40 +/- 1 C 2 kJ/m2The test specimens must be conditioned for minimum of 6 h at the above specified
12、temperature prior to impact test. Low temperature testing shall be done within the cold box. (s) 3.5.7 Heat Deflection Temperature, min (ISO 75, 120 x 10 x 4.0 +/- 0.2 mm specimen, 0.32 +/- 0.01 mm deflection) 3.5.7.1 At 1.80 MPa 170 C 3.5.7.2 At 0.45 MPa 270 C 3.5.8 Heat Aging Performance (ISO 188,
13、 except 150 +/- 50 air changes/h, 1000 h at 160 +/- 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 determination) ENGINEERING MATERIAL SPECIFICATIONWSK-M4D916-APrinted
14、 copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 3 of 4 3.5.8.1 Tensile Strength at Max Load Change +/- 25% (Test Method per para 3.5.3) 3.6 FOGGING (FLTM BO 116-03, 3 h at 100 C) Fog Number, min 85 Formation of a clear film, droplets or crystals is cause for rejection. 3.
15、7 FLAMMABILITY (ISO 3795) Burn Rate, max 100 mm/minute The specimen size required for material approval is 355 x 100 x 1.0 +/- 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 specificati
16、on. 5.1 COEFFICIENT OF LINEAR THERMAL EXPANSION 5.8-5/ C (ASTM E 228 or TMA, temperature range -30 to +30 C) 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 1.2 - 1.3% 5.2.2 Post Shrinkage (Separate specim
17、ens required for each test) . After 48 h at 80 C 0.01 - 0.02% . After 30 min at 120 C 0.01 0.02% 5.3 WATER ABSORPTION 2.8% (ISO 62, 24 h immersion, 50 +/- 1 mm diameter, 3.2 +/- 0.2 mm thick specimen) 5.4 RECYCLING CODE PA46-GB30 ENGINEERING MATERIAL SPECIFICATIONWSK-M4D916-APrinted copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 4 of 4
