1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2007 09 25 Revised Updated the graph on page 5 G. Kowalski 2007 08 31 Activated G. Kowalski Printed copies are uncontrolled Copyright 2007, Ford Global Technologies, LLC Page 1 of 5 POLYAMIDE (PA) 66, 25% GLASS FIBER / MINERAL REINFORCED, WSS-
2、M4D366-B2 HEAT STABILIZED, 100% POST INDUSTRIAL NYLON 1. SCOPE The materials defined by this specification is a 10% glass fiber and 15% mineral reinforced polyamide 66 molding compound containing 100% post consumer recyclate. 2. APPLICATIONS This specification was released originally for material us
3、ed for engine cooling fan and fan shroud. 2.1 LIMITATIONS This material absorbs and retains moisture. Part design and tolerances must accommodate changes in part dimensions and physical properties due to moisture absorption or loss in the service/assembly environment. This material is manufactured u
4、sing post industrial nylon, it should not be used in applications requiring color mastering. This material does not contain UV stabilizers, long term exposure to direct sunlight will cause chalking and loss of properties. 3. REQUIREMENTS 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material su
5、ppliers 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 symbol (s), shall be met with data representing 3 sigma values using latest ISO test methods. 3.2 MOLDING COMPOUND (s)
6、3.2.1 Glass Fiber/Mineral Content 22 28% (ISO 3451-1), test temperature 600 +/- 25 C, test portion 1g) (s) 3.2.2 Melt Temperature 251 269 C (ISO 3146) The material shall be dried for 2 h minimum at 80 C in a mechanical convection oven immediately preceding the test. 3.3 MOLDED TEST SPECIMEN 3.3.1 Pr
7、eparation of Test Specimens Unless otherwise specified all tests shall be carried out on injection molded one-end gated test specimens. ENGINEERING MATERIAL SPECIFICATIONWSS-M4D366-B2 Printed copies are uncontrolled Copyright 2007, Ford Global Technologies, LLC Page 2 of 5 The following dimensions a
8、re required: A. 150 minimum x 10 x 4.0 +/- 0.2 mm (Tensile Bar, ISO 3167) B. 120 x 10 x 4.0 +/- 0.2 mm Test specimen 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. 3.3.2 Density
9、 1.32 1.38 g/cm3(ISO 1183, Method A/ASTM D 792, Method A1) (s) 3.3.3 Tensile Strength at Max Load, min 95 MPa (ISO 527/ASTM D 638 Specimen A, test speed: 50 mm/minute or 5 mm/minute) 3.3.4 Tensile Stress/Strain Curves (ISO 527-1, 527-2, ISO 11403-1; specimen A). Test speed shall be 5 mm/minute for a
10、ll materials. Provide a curve of tensile stress versus strain using one specimen per lot at each of the following temperatures: -40 C, 23 C and 150 C (high temp is dependent on material type). For ductile materials, the curve shall cover strain through yield point. (s) 3.3.5 Tensile Modulus, min 630
11、0 MPa (ISO 527-1 & ISO 527-2, specimen A test speed: 1 mm/min) 3.3.6 Flexural Modulus, min 6.1 GPa (ISO 178, 80 x 10 x 4.0 +/- 0.2 mm specimen use center section of specimen A, 2 mm/min test speed, 64 mm support span) (s) 3.3.7 Charpy, notched, min (ISO 179/1eA, 80 x 10 x 4.0 +/- 0.2 mm specimen use
12、 center section of specimen A, 10 specimens 3.3.7.1 At 23 +/- 2 C 4.0 kJ/m23.3.7.2 At -40 +/- 2 C 3.0 kJ/m2The test specimen must be conditioned for minimum of 6 hours at the above specified temperature prior to impact test. Low temperature testing shall be done within the cold chamber, if not possi
13、ble, test may be conducted outside, but within 5 seconds. 3.3.8 Heat Deflection Temperature, min 210 C (ISO 75-1 & ISO 75-2, 80 x 10 x 4.0 +/- 0.2 mm specimen use center section of specimen A, flatwise, 0.34 +/- 0.1 mm deflection. At 1.80 MPa) ENGINEERING MATERIAL SPECIFICATIONWSS-M4D366-B2 Printed
14、copies are uncontrolled Copyright 2007, Ford Global Technologies, LLC Page 3 of 5 3.3.9 Heat Aging Performance (ISO 188, except 150 +/- 50 air changes/h, 1000 h at 140 +/- 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 sha
15、ll be determined at the time of the aged properties determination) 3.3.9.1 Impact Strength, Izod Change +/- 25% (Test Method per para 3.3.6.1, specimens to be notched before heat aging) 3.4 ODOR, max Rating 2 (SAE J1351/FLTM BO 131-01) Interior Materials Only 3.5 FOGGING (SAE J1756, 3 h at 100 C hea
16、ting, 21 C cooling plate, post test conditioning 1 h and 16 h) Fog Number, min 90 Formation of clear film, droplets or crystals is cause for rejection. 3.6 FLAMMABILITY (ISO 3795/SAE J369) Burn Rate, max 100 mm/minute The specimen size required for material approval is 355 x 100 x 1.0 +/- 0.1 mm (us
17、e specimen C) with a smooth surface. 4. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 4.1 COEFFICIENT OF LINEAR THERMAL EXPANSION (ISO 11359-2 TMA) Temperature range: -30 - 40 C 3.10-5 mm/C 60 - 110 C 2
18、.81-5 mm/C 4.2 MOLD SHRINKAGE (ISO 2577, approx. injection molded specimen B) 4.2.1 Molding Shrinkage . After 48 h at 23 +/- 2 C Flow 0.4% X-Flow 1.0% ENGINEERING MATERIAL SPECIFICATIONWSS-M4D366-B2 Printed copies are uncontrolled Copyright 2007, Ford Global Technologies, LLC Page 4 of 5 4.2.2 Post
19、Shrinkage (Separate specimens required for each test) . After 48 h at 80 C Flow 0.4% X-Flow 1.05% . After 30 minutes at 120 C Flow 0.5% X-Flow 1.1% 4.3 WATER ABSORPTION 0.5 - 1.0% (ISO 62, 24 h/ASTM D 570, 24 h. 50 +/- 1 mm diameter, 3.2 +/- 0.2 mm thick specimen) 4.4 IMPACT STRENGTH, IZOD, min (ISO
20、 180, Method A/ASTM D 256, Method A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 10 specimens minimum) 4.4.1 After Moisture Conditioning 8 kJ/m2The 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
21、prior to test and tested under the same conditions within 1 h. 4.5 HEAT DEFLECTION TEMPERATURE, min 250 C (ISO 75-1 & ISO 75-2, 80 x 10 x 4.0 +/- 0.2 mm specimen use center section of specimen A, flatwise, 0.34 +/- 0.1 mm deflection. At 0.45 MPa) 4.6 Impact Strength, Izod, notched (Initial Qualifica
22、tion), min (ISO 180/1A, 80 x 10 x 4.0 +/- 0.2 mm specimen use center section of specimen A, 10 specimens for each test) 4.6.1 At 23 +/- 2 C 2.6 kJ/m24.6.2 At - 40 +/- 2 C 1.6 kJ/m2 4.7 MATERIAL IDENTIFICATION FOR RECYCLING PURPOSES (ISO 1043 latest) SAE PA66-(GF + M)25 ENGINEERING MATERIAL SPECIFICATIONWSS-M4D366-B2 Printed copies are uncontrolled Copyright 2007, Ford Global Technologies, LLC Page 5 of 5
