FORD WSS-M4D664-A3-2006 POLYMIDE (PA) 6 HEAT STABILIZED 33% GLASS FIBER REINFORCED MINIMUM 25% PCR CONTENT TO BE USED WITH FORD WSS-M99P1111-A (Use WSS-M4D968-A)《最低PCR含量为25%的33%玻.pdf

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1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2006 05 02 N-STATUS Replaced by WSS-M4D968-A A. Reaume/M. Masserant 2005 10 27 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.8, 3.9 & 4 1999 07 06 Activated J. Crist Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LL

2、C Page 1 of 3 POLYMIDE (PA) 6, HEAT STABILIZED 33% GLASS WSS-M4D664-A3 FIBER REINFORCED, MINIMUM 25% PCR CONTENT NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a glass fiber reinforced, heat stabilized polyamide 6 molding compound, containing a minimum of 25% po

3、st consumer recycled content. 2. APPLICATION This specification was released originally for material used for the sun- visor base plate. NOTICE: This material absorbs and retains moisture. Part design and tolerances must accommodate changes in part dimensions and physical properties due to moisture

4、absorption or loss in the service/assembly environment. 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,

5、 identified by symbol(s), shall be met with data representing 3 sigma values. 3.4 MOLDING COMPOUND (s) 3.4.1 Glass Fiber Content 31 - 35% (ISO 3451/4, test temperature 600 +/- 25 C, test portion 1 g) 3.4.2 Melt Temperature 215 - 225 C (ISO 1218, Method B/ASTM D 789) 3.5 MOLDED TEST SPECIMEN 3.5.1 Pr

6、eparation 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 mm (Tensile Bar, ISO 3167) B. 120 x 10 x 4.0 +/- 0.2 mm Specimens with shorter dimensions shall

7、 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. ENGINEERING MATERIAL SPECIFICATIONWSS-M4D664-A3 Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 2 of 3 3.5.2 Density 1.35 -

8、1.40 g/cm3(ISO 1183, Method A/ASTM D 792, Method A1) (s) 3.5.3 Tensile Strength at Max Load, min 160 MPa (ISO R 527/ASTM D 638M, 150 x 10 x 4.0 +/- 0.2 mm specimen, 5 mm/minute test speed) (s) 3.5.4 Flexural Modulus, min 8.0 GPa (ISO 178/ASTM D 790M, Method I, Procedure A, 80 x 10 x 4.0 +/- 0.2 mm s

9、pecimen, 64 mm support span) (s) 3.5.5 Impact Strength, Izod, min (ISO 180, Method A/ASTM D 256, Method A, 63.5 x 10 x 4.0 +/- 0.2 mm specimen, 10 specimens for each test) 3.5.5.1 At 23 +/- 2 C 8.5 kJ/m23.5.5.2 At -40 +/- 2 C 7.0 kJ/m2The test specimens must be conditioned for minimum of 6 h at the

10、above specified temperature prior to impact test. Low temperature testing shall be done within the cold box, if not possible, test can be conducted outside, but within 5 s. (s) 3.5.6 Heat Deflection Temperature, min (ISO 75, 80 x 10 x 4.0 +/- 0.2 mm specimen, flatwise) 3.5.6.1 At 1.82 MPa 200 C 3.5.

11、6.2 At 0.45 MPa 215 C 3.5.7 Heat Aging Performance (ISO 188/ASTM D 573, 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 shall be determined at the time of the aged properties dete

12、rmination) 3.5.7.1 Impact Strength, Izod Change +/- 25% (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/minute The specimen size required for material approval is 355 x 100 x 1.0 +/- 0.1 mm with a smooth surface. ENGINEERING

13、 MATERIAL SPECIFICATIONWSS-M4D664-A3 Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 3 of 3 3.7 FOGGING (SAE J1756, 3 h at 100 C heating, 21 C cooling plate, post test conditioning 1 h and 16 h) Fog Number, min 90 Formation of clear film, droplets or crystals is ca

14、use for rejection. 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 2 - 7-5/C (ASTM D 696) 5.2 MOLD SHRINKAGE (ISO 2577, approx. 150 x 100 x 3.2 +/- 0.2 mm in

15、jection molded specimen) 5.2.1 Molding Shrinkage After 48 h at 23 +/- 2 C 0.1 - 1.5% 5.2.2 Post Shrinkage (Separate specimens required for each test) After 48 h at 80 C 0.01 - 0.08% After 30 minutes at 120 C 0.01 - 0.15% 5.3 WATER ABSORPTION 0.8 - 1.4% (ISO 62, 24 h/ASTM D 570, 24 h, 50 +/- 1 mm dia

16、meter, 3.2 +/- 0.2 mm thick specimen) 5.4 IMPACT STRENGTH, IZOD, min (ISO 180, Method A/ASTM D 256, Method A, 63.5 x 10 x 4.0 +/- 0.2 mm specimen, 10 specimens minimum) 5.4.1 After Moisture Conditioning 22 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 prior to test and tested under the same conditions within 1 h. 5.5 RECYCLING CODE SAE PA6 - GF33