1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 11 10 N-STATUS Replaced by SDS and USCAR requirements. A. PAN, APA 2005 09 13 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.7, 3.8 & 4 1988 04 29 Released SM/EQ3398 TP M. Siewert Printed copies are uncontrolled Copyright 2010, Ford Global Tec
2、hnologies, LLC Page 1 of 5 POLYAMIDE (PA) 66, IMPACT MODIFIED, HEAT WSK-M4D591-A STABILIZED, 14% GLASS FIBER REINFORCED NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a glass fiber reinforced, elastomer modified, heat stabilized polyamide 66 molding compound. 2.
3、 APPLICATION This specification was released originally for material used for fastening parts. 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
4、All requirements of this specification, identified by 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
5、B). All test materials immediately after processing have 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 Fiber Cont
6、ent 12.5 - 16.5% (ISO 3451/4, test temperature 600 +/- 25 C, test portion 1 g) (s) 3.4.2 Melt Temperature, min 250 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
7、one-end gated test specimens. The following dimensions are required: A. 150 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-M4D591-A Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 2 of 5 Specimens wi
8、th 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 1.15 - 1.22 g/cm3(ISO 1183, Method A) (s) 3.5.3 Tensile Strength at Max Load, min 80 MPa (ISO R 527, 150 minimum x 10
9、x 4.0 +/- 0.2 mm specimen, 5 mm/min test speed) (s) 3.5.4 Flexural Modulus, min 3.4 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 885 - 1475 MPa (ASTM D 4065, forced constant amplitude, fixed frequency of 1 Hz +/- 15%, strain le
10、vel 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 - 3 minutes minimum) Additionally, a Shear Modulus vs. Temperature curve shall be plotted for -50 to +195 C temperature range, at
11、 5 C minimum intervals. The plotted curve must be within tolerance range shown on page 5. 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 9 kJ/m23.5.6.2 At -40 +/- 1 C 3 kJ/m2The test specimens must be conditioned for
12、 minimum of 6 h at the above specified temperature prior to impact test. Low temperature testing shall be done within the cold box. 3.5.7 Heat Deflection Temperature, min (ISO 75, 120 x 10 x 4.0 +/- 0.2 mm specimen, edgewise, 0.32 +/- 0.01 mm deflection) 3.5.7.1 At 1.80 MPa 180 C 3.5.7.2 At 0.45 MPa
13、 240 C ENGINEERING MATERIAL SPECIFICATIONWSK-M4D591-A Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 3 of 5 3.5.8 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 de
14、siccator for 3 - 5 h at 23 +/- 2 C. Unaged property values shall be determined at the time of the aged properties determination) 3.5.8.1 Impact Strength, Izod Change +/- 20% (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/mi
15、nute 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 specification. 5.1 COEFFICIENT OF LINEAR THERMAL EXPANSION 4.
16、3 - 5.0-5/ 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 0.5 - 0.7% 5.2.2 Post Shrinkage (Separate specimens required for each test) . After 48 h at
17、80 C 0.0 - 0.01% . After 30 minutes at 120 C 0.0 - 0.01% 5.3 WATER ABSORPTION 0.5 - 0.8% (ISO 62, 24 h immersion, 50 +/- 1 mm diameter, 3.2 +/- 0.2 mm thick specimen) ENGINEERING MATERIAL SPECIFICATIONWSK-M4D591-A Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 4 o
18、f 5 5.4 IMPACT STRENGTH, IZOD, min (ISO 180/1A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 10 specimens minimum) 21 kJ/m25.4.1 After Moisture Conditioning The notched specimens shall be immersed for 48 h in distilled water at 50 +/- 1 C and subsequently conditioned for 1 h at 23 +/- 2 C and 50 +/- 5% relative humidity prior to test and tested under the same conditions within 1 h. 5.5 RECYCLING CODE PA66-GF14ENGINEERING MATERIAL SPECIFICATIONWSK-M4D591-A Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 5 of 5
