FORD-WSK-M4D595-A-2006.pdf
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1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions 2006 04 28 N-STATUS Replaced by WSK-M4D674-A A. Reaume/M. Masserant 2005 08 15 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.7, 3.8 & 4 1988 06 15 Released SM/EQ4331 TP M. Siewert Printed copies are uncontrolled Copyright 2006, Ford Global Techno
2、logies, LLC Page 1 of 4 POLYAMIDE (PA) 6, 40% GLASS FIBER REINFORCED WSK-M4D595-A NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a glass fiber reinforced polyamide 6 molding compound. 2. APPLICATION This specification was released originally for material used fo
3、r accelerator pedals. 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 the service/assembly environment. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MA
4、TERIALS 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 specimens with moisture content not exceeding 0.2% (test accordi
5、ng to ISO R 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 40 - 50 C at a reduced pressure below 133 kPa. Conduct tes
6、ts 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 37.5 - 42.5% (ISO 3451/4, Test Temperature: 600 +/- 25 C, Test Portion: 1 g)
7、3.4.2 Melting Point, min 218 C (ISO 1218, Method B/ASTM D 789) ENGINEERING MATERIAL SPECIFICATION WSK-M4D595-A Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 2 of 4 3.5 MOLDED TEST SPECIMEN 3.5.1 Preparation of Test Specimens Unless otherwise specified all tests s
8、hall be carried out on injection molded one-end gated test specimens. The following dimensions are required: A. 150 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 test specimen A and/or B. The s
9、pecimens shall be prepared according to ISO 294. No annealing allowed. 3.5.2 Density 1.41 - 1.48 g/cm3 (ISO 1183, Method A/ASTM D 792, Method A1) 3.5.3 Tensile Strength at max load, min 185 MPa (ISO R 527/ASTM D 638M, 150 x 10 x 4.0 +/- 0.2 mm specimen, 5 mm/minute test speed) 3.5.4 Flexural Modulus
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