FORD-WSK-M4D604-A-2006.pdf
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1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions 2006 10 16 N-STATUS Replaced by WSS-M4D638-B R. Lord 2005 10 27 Revised Inserted 3.0; deleted 3.1, 3.2, 3.3, 3.8, 3.9 revised 3.5.3.1, 3.5.5, 3.5.8.2, 3.7.1.1 and 3.7.1.2; renumbered 3.7.1.3 to 3.7.1.2 L. Rodigas 1988 10 12 Released SM/EQ 775
2、4TP L. Rodigas Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 1 of 5 POLYPROPYLENE (PP), COPOLYMER, CONTROLLED WSK-M4D604-A RHEOLOGY (CR) GRADE NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is an injection molding compound for i
3、nterior use based on polypropylene copolymer with controlled rheologic properties. 2. APPLICATION This specification was released originally for material used for scuff plates. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to th
4、e Companys Standard Requirements For Production materials (WSS-M99P1111-A). 3.4 MOLDING COMPOUND 3.4.1 Melt Flow Rate 7 - 15 g/10 min (ISO 1133/ASTM D 1238, 230 C, 2.16 kg) 3.5 MOLDED TEST SPECIMEN 3.5.1 Preparation of Test Specimens Unless otherwise specified all tests shall be carried out on injec
5、tion 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 test specimen A and/or B. The specimens shall be prepar
6、ed according to ISO 294. No annealing allowed. 3.5.2 Density 0.90 - 0.92 g/cm3 (ISO 1183, Method A/ASTM D 792, Method A1) -,-,- ENGINEERING MATERIAL SPECIFICATION WSK-M4D604-A Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 2 of 5 3.5.3 Tensile Strength at Yield, m
7、in 18 MPa (ISO R 527/ASTM D 638M, 150 min x 10 x 4.0 +/- 0.2 mm specimen, 50 mm/min test speed) 3.5.3.1 Elongation at Yield, min 10% (Test Method according to para 3.5.3) 3.5.4 Flexural Modulus, min 0.9 GPa (ISO 178/ASTM D 790M, Method I, Procedure A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 64 mm support
8、 span) 3.5.5 Shear Modulus at 23 C 350 - 530 MPa (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.) Additionally, a Shear Modulus vs. Temperature curve shall be plotted for -50
9、 to +160 C temperature range, at 5 C minimum intervals. The plotted curve must be within tolerance range shown on page 5. The only specification to be brought to out attention is the Focus. 3.5.6 Impact Strength, Izod, min (ISO 180, Method A/ASTM D 256, Method A, 63.5 x 10 x 4.0 +/- 0.2 mm specimen,
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