FORD WSS-M4D986-A-2013 POLYAMIDE (PA6) -45% GLASS FIBER REINFORCED MOLDING COMPOUND INTERIOR TO BE USED WITH FORD WSS-M99P1111-A .pdf

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1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev 02 2013 06 11 N Status No replacement named L. Soreide, NA 2006 09 29 Revised Paragraph 3.7, 3.7.1 Added 3.7.3 L. Schmalz 2003 01 27 Activated L. Hess Controlled document at www.MATS Copyright 2013, Ford Global Technologies, LLC Page 1 of

2、 6 POLYAMIDE (PA6) -45% GLASS FIBER REINFORCED, WSS-M4D986-A MOLDING COMPOUND, INTERIOR NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a glass fiber reinforced, U.V. stabilized polyamide 6 molding compound for interior or Exterior applications. 2. APPLICATION Th

3、is specification was released originally for material used for interior steering column rake lever applications. NOTICE: 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 th

4、e service/assembly environment. 3. REQUIREMENTS Material specification requirements are to be used for initial qualification of materials. 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materi

5、als (WSS-M99P1111-A). 3.1.1 All requirements of this specification, identified by symbol (s), shall be met with data representing 3 sigma values. 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 t

6、est 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. Conduct tests in a controlled atmosphere of 23 +/- 2 C a

7、nd 50 +/- 5% relative humidity. Individual specimens shall not be removed from closed containers until immediately before testing. 3.2 MASS SPECTROSCOPY Ford Motor Company, at its option, may conduct mass spectroscopy and/or other analysis of material/parts supplied to this specification. The analys

8、es established for initial approval shall constitute the reference standard and shall be kept on file at the designated material laboratory. All samples shall produce the same analyses that correspond to the reference standards when tested under the same conditions. ENGINEERING MATERIAL SPECIFICATIO

9、N WSS-M4D986-A Copyright 2013, Ford Global Technologies, LLC Page 2 of 6 3.3 MOLDING COMPOUND (s) 3.3.1 Glass Fiber Content 43 - 47% (ISO 3451-4, Method A) (s) 3.3.2 Melt Temperature, 215 225 C (ISO 3146, Method C, 10 C/min heating rate) 3.4 MOLDED TEST SPECIMEN 3.4.1 Preparation of Test Specimens U

10、nless otherwise specified all tests shall be carried out on injection molded one-end gated test specimens. The following dimensions are required: A. 150 minimum x 10 x 4.0 +/- 0.2 mm (ISO 3167, Type 1A) B. 60 x 60 x 2.0 +/- 0.1 mm (ISO/DIS 294-3) C. 355 x 100 x 1.0 +/-0.1 mm (ISO 3795) Test specimen

11、 A shall be molded using molding conditions defined in ISO 1874-2. Specimens with shorter dimensions shall be cut from the center of the specimen A. No annealing allowed. 3.4.2 Density 1.49 - 1.55 g/cm3 (ISO 1183, Method A) (s) 3.4.3 Tensile Strength at break, min 165 MPa (ISO 527-1 & ISO 527-2, 150

12、 minimum x 10 x 4.0 +/- 0.2 mm specimen, test speed: 5 mm/minute) (s) 3.4.4 Flexural Modulus, min 10.5 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) ENGINEERING MATERIAL SPECIFICATION WSS-M4D986-A Copyright 2013, Ford Globa

13、l Technologies, LLC Page 3 of 6 3.4.5 Shear Modulus at 23 C 1867-3113 MPa/GPa (ASTM D 5279, 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

14、time at each temperature interval - 3 minutes minimum) Additionally, a shear modulus versus temperature curve shall be plotted for -50 to +210 C temperature range, at 5 C minimum intervals. The plotted curve must be within tolerance range granted on the original material approval and it shall consti

15、tute the reference standard for materials supplied to this specification and shall be kept on file at the designated material laboratory and be available on request. (s) 3.4.6 Impact Strength, Izod, min (ISO 180/1A, 80 x 10 x 4.0 +/- 0.2 mm specimen use center section of specimen A, 10 specimens for

16、 each test) 3.4.6.1 At 23 +/- 2 C 8.2 kJ/m2 3.4.6.2 At -40 +/- 1 C 5.7 kJ/m2 The 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 possible, test may be conducted out

17、side, but within 5 seconds. (s) 3.4.7 Heat Deflection Temperature, min 200 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) All specimens dry as molded. If not tested immediately after molding, specimens mu

18、st be stored in a sealed, moisture-proof container filled with silica gel. 3.4.8 Heat Aging Performance (ISO 188, except 150 +/- 50 air changes/h, 1000 h at 140 +/- 2 C. Unaged property values shall be determined at the time of the aged properties determination) 3.4.8.1 Impact Strength, Izod Change

19、+/- 25% (Test Method per para 3.4.6.1, specimens to be notched before heat aging) ENGINEERING MATERIAL SPECIFICATION WSS-M4D986-A Copyright 2013, Ford Global Technologies, LLC Page 4 of 6 3.5 FOGGING (SAE J1756, 3 h at 100 C heating, 21 C cooling plate, post test conditioning 1 h) Fog Number, min 90

20、 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 (use specimen C) with a smooth surface. 3.7 WEATHERING RESISTANCE After exposure in

21、accordance with 3.7.1, 3.7.2 and 3.7.3, the material shall show no fading or color change in excess of specified Gray Scale rating (AATCC Evaluation Procedure 1/ISO 105-A02). In addition, there shall be no cracking, crazing or other deterioration. A slight loss of gloss or chalking will be allowed p

22、rovided an acceptable appearance can be achieved by washing with mild detergents and water (ratio 5:95 by volume), or equivalent, after the Florida exposure. All initial approvals will be based on the preliminary Weatherometer exposure, pending Florida exposure results for final approval-Not require

23、d for North America. 3.7.1 Xenon Arc Weatherometer Rating 4 Required Worldwide except North America (SAE J1885, 601.6 kJ/m2 exposure specimen size: 150 x 100 mm min, 3.2 +/- 0.2 mm thick, molded in smooth polished mold) 3.7.2 12 months Florida Rating 4 Not required for North America (FLTM BI 160-01,

24、 5 south, under glass, specimen size: 150 x 100 mm min, 3.2 +/-0.2 mm thick, molded in smooth polished mold) 3.7.3 Filtered Xenon Arc Weatherometer Rating 4 Required for North America (SAE J1885 modified (FLTM BO 116-01), 1203.2 kJ/m2 exposure min, specimen size: 150 x 100 mm min, 3.2 +/- 0.2 mm thi

25、ck, molded in smooth polished mold) ENGINEERING MATERIAL SPECIFICATION WSS-M4D986-A Copyright 2013, Ford Global Technologies, LLC Page 5 of 6 4. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 4.1 COEFFIC

26、IENT OF LINEAR THERMAL EXPANSION Flow .95 -5/C (ASTM E 831 TMA, temperature range XFlow 9.9 -5/C -50 to +150 C) 4.2 MOLD SHRINKAGE (ISO/DIS 294-3, 60 x 60 x 2.0 +/- 0.1 mm injection molded specimen) 4.2.1 Molding Shrinkage . After 48 h at 23 +/- 2 C Flow .25 - .32% XFlow .81 - .87% 4.2.2 Post Shrink

27、age (Separate specimens required for each test) . After 48 h at 80 C Flow .04% XFlow .05% . After 30 minutes at 120 C Flow .04% XFlow .05% 4.3 WATER ABSORPTION 0.8% (ISO 62, 24 h immersion, 50 +/- 1 mm diameter, 3.2 +/- 0.2 mm thick specimen) 4.4 IMPACT STRENGTH, IZOD, min (ISO 180/1A, 80 x 10 x 4.0

28、 +/- 0.2 mm specimen (use center section of specimen A), 10 specimens minimum) 4.4.1 After Moisture Conditioning 13 kJ/m2 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

29、 and tested under the same conditions within 1 h. 4.5 MODULUS OF ELASTICITY 12 GPa (ISO 527-1 & ISO 527-2, 150 minimum x 10 x 4.0 +/- 0.2 mm specimen, test speed: 1 mm/minute) ENGINEERING MATERIAL SPECIFICATION WSS-M4D986-A Copyright 2013, Ford Global Technologies, LLC Page 6 of 6 4.6 IMPACT STRENGT

30、H, CHARPY (ISO 179/1eA, 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 10.5 kJ/m2 4.6.2 At -40 +/- 1 C 8 kJ/m2 The 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 possible, test may be conducted outside, but within 5 seconds. 4.7 MATERIAL IDENTIFICATION FOR RECYCLING PURPOSES PA6-GF45