FORD WSA-M4D768-A-2010 POLYAMIDE (PA) 66 HEAT STABILIZED 33% GLASS FIBER REINFORCED TRANSLUCENT MOLDING COMPOUND TO BE USED WITH FORD WSS-M99P1111-A 《33%玻璃纤维增强的受热稳定的聚酰胺66半透明成型料 .pdf

1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 05 13 RE-ACTIVATED Strategy material for power steering reservoirs. Resin team N status in error. A. Wedepohl, NA 2010 01 13 N-STATUS No replacement named J. Crist, NA 1990 08 30 Released NC00E10072178000 K.A. Gribble, A.N. Novakovic Prin

2、ted copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 1 of 5 POLYAMIDE (PA) 66, HEAT STABILIZED, 33% GLASS WSA-M4D768-A FIBER REINFORCED, TRANSLUCENT MOLDING COMPOUND 1. SCOPE The material defined by this specification is a heat stabilized, glass fiber reinforced, translucen

3、t, polyamide (nylon) 66 molding compound with optical properties which allow fluid levels to be more readily observed through the sides of the containers, even after heat aging. 2. APPLICATION This specification was released originally for material used in power steering fluid reservoirs. NOTICE: Th

4、is 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. 3. REQUIREMENTS Material specification requirements are to be used for initial qualificatio

5、n of materials. 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). 3.3 CONDITIONING AND TEST CONDITIONS All test values indicated herein are based on material and speci

6、mens with moisture content not exceeding 0.2% (test according to ISO 960, Method B/ASTM D 789). 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 4

7、0 - 50 C at a reduced pressure below 133 Pa. Conduct tests in a controlled atmosphere of 23 +/- 2 C and 50 +/- 5% relative humidity. Individual specimens shall not be removed from closed containers until immediately before testing. 3.4 MOLDING COMPOUND 3.4.1 Glass Fiber Content 30 - 35% (ISO 3451/4,

8、 1 h at 650 +/- 2 C) 3.4.2 Melt Temperature 250 - 266 C (ISO 1218, Method B/ASTM D 789) ENGINEERING MATERIAL SPECIFICATIONWSA-M4D768-A Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 2 of 5 3.5 MOLDED TEST SPECIMEN 3.5.1 Preparation of Test Specimens Unless otherwi

9、se 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 be cut from the center portion of the tes

10、t specimen A and/or B. The specimens shall be prepared according to ISO 294. No annealing allowed. 3.5.2 Density 1.36 - 1.42 g/cm3(ISO 1183, Method A/ASTM D 792, Method A1) 3.5.3 Tensile Strength at Max Load, min 170 MPa (ISO R 527/ASTM D 638M, 150 min x 10 x 4.0 +/- 0.2 mm specimen, 5 mm/min test s

11、peed) 3.5.4 Flexural Modulus, min 7.5 GPa (ISO 178/ASTM D 790M, Method I, Procedure A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 64 mm support span) 3.5.5 Shear Modulus at 23 C 1.35 - 2.25 GPa (ASTM D 4065, forced constant amplitude, fixed frequency of 1 Hz +/- 15%, strain level below 1%. Specimen approx.

12、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 +240 C temperature range, at 5 C minimum intervals. The pl

13、otted curve must be within tolerance range shown on page 5. 3.5.6 Impact Strength, Izod, min (ISO 180, Method A/ASTM D 256, Method A, 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 +/- 2 C 6 kJ/m2The test specimens must be conditioned for m

14、inimum of 6 h at the 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. ENGINEERING MATERIAL SPECIFICATIONWSA-M4D768-A Printed copies are uncontrolled Copyright 2010, Ford Global

15、 Technologies, LLC Page 3 of 5 3.5.7 Heat Deflection Temperature, min (ISO 75/ASTM D 648, 120 x 10 x 4.0 +/- 0.2 mm specimen) 3.5.7.1 At 1.82 MPa 230 C 3.5.7.2 At 0.45 MPa 245 C 3.5.8 Heat Aging Performance (ISO 188/ASTM D 573, 150 +/- 50 air changes/h, 1000 h at 150 +/- 2 C. After heat aging test s

16、pecimens 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 determination. All specimens, whether as-received or heat aged, must be white in color. No yellowing is permitted). 3.5.8.1 Tensile Strength Change

17、+/- 25% (Test Method per para 3.5.3) 3.5.8.2 Impact Strength, Izod Change, max -50% (Test Method per para 3.5.1.6. 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 2.0 +/- 0.1 mm with a

18、 smooth surface. 3.7 TOTAL LUMINOUS TRANSMITTANCE, min (ASTM D 1003, Procedure A. Specimens must be sectioned from injection molded, one-end gated test plaques no less than 3 mm thick. No surface preparation or material removal from as-molded surfaces is permitted.) 3.7.1 As Received 25% 3.7.2 After

19、 Immersion in Power Steering Fluid 13% (ISO 1817/ASTM D 471, 168 h at 150 +/- 2 C. For currently approved power steering fluid see para 5.5) 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. ENGINEERING

20、MATERIAL SPECIFICATIONWSA-M4D768-A Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 4 of 5 5.1 COEFFICIENT OF LINEAR THERMAL EXPANSION 2 - 5-5/C (ASTM D 696) 5.2 MOLD SHRINKAGE (ISO 2577, approx. 150 x 100 x 3.2 +/- 0.2 mm injection molded specimen) 5.2.1 Molding Sh

21、rinkage . After 48 h at 23 +/- 2 C 0.4% 5.2.2 Post Shrinkage (Separate specimens required for each test) . After 48 h at 80 C 0.05 - 0.10% . After 30 min. at 120 C 0.05 - 0.10% 5.3 WATER ABSORPTION, max 1% (ISO 62, 24 h/ASTM D 570, 24 h, 50 +/- 1 mm diameter, 3.2 +/- 0.2 mm thick specimen) 5.4 IMPAC

22、T STRENGTH, IZOD, min (ISO 180, Method A/ASTM D 256, Method A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 10 specimens minimum) 5.4.1 After Moisture Conditioning 15 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 5

23、0 +/- 5% relative humidity prior to test and tested under the same conditions within 1 h. 5.5 For information on currently approved power steering fluid and other materials required for use in this specification contact: Materials Laboratory 15/GM-DO1-D Body & Chassis Engineering Research and Engine

24、ering Center Ford Motor Company Ford Motor Company Ltd PO Box 2053 Laindon, Basildon Room #1064Essex SS15 6EE, England Dearborn, MI 48124, USA (313) 323-1477 Materials Engineering Product Engineering Office Ford Motor Co. of Australia Ltd Princes Highway, Norlane Victoria 3214, Australia ENGINEERING MATERIAL SPECIFICATIONWSA-M4D768-A Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 5 of 5