FORD-WSS-M4D595-A2-2005.pdf
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1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions 2005 09 13 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.9, 3.10 & 4 1995 03 10 Activated K. Gerhards Printed copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page 1 of 5 POLYAMIDE 6 (PA 6), 40% GLASS FIBER REINFORCED WSS-M4D
2、595-A2 MOLDING COMPOUND, EXTERIOR 1. SCOPE The material defined by this specification is a 40% glass fiber reinforced, UV stabilized, and impact modified molding compound based on a polyamide 6. 2. APPLICATION This specification was released originally for material used as door handles. 3. REQUIREME
3、NTS 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 symbol (s), shall be met with data representing 3 sig
4、ma 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). Alll test materials immediately after processing have to be sealed in containers that are impermeable t
5、o 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 37.5 - 42.5% (ISO 3451/1, test temperature 600 +/- 25 C, test portion 1 g) (s) 3.4.2 Melt Temperature
6、, min 205 - 215 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 dimensions are required: A. 150 min x 10 x 4.0 +/- 0.2
7、mm (Tensile Bar, ISO 3167) B. 120 x 10 x 4.0 +/- 0.2 mm ENGINEERING MATERIAL SPECIFICATION WSS-M4D595-A2 Printed copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page 2 of 5 Specimens with shorter dimensions shall be cut from the center portion of the test specimen A and/or B. T
8、he specimens shall be prepared according to ISO 294. No annealing allowed. 3.5.2 Density 1.43 - 1.49 g/cm3 (ISO 1183, Method A) (s) 3.5.3 Tensile Strength at Yield, min 150 MPa (ISO R 527, 150 minimum x 10 x 4.0 +/- 0.2 mm specimen, 50 mm/min test speed) (s) 3.5.4 Flexural Modulus, min 9.0 GPa (ISO
9、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 1.8 - 3.1 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. Spe
10、cimen 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 +200 C temperature range, at 5 C minimum intervals. The plotted curve must be within tolerance range shown on page 5. (
11、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 10 kJ/m2 3.5.6.2 At -40 +/- 1 C 7 kJ/m2 The test specimens must be conditioned for minimum of 6 h at the above specified temperature prior to impact test. Low tempera
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