1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2006 04 13 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.7, 3.8 Corrected numbering 3.4 1995 05 02 Revised EP00E10460378000 K. Gerhards 1992 01 06 Released EP00E10176259000 K. Gerhards Printed copies are uncontrolled Copyright 2006, Ford Glob
2、al Technologies, LLC Page 1 of 4 POLYETHERETHERKETONE (PEEK), SELF-EXTINGUISHING (SE) WSK-M4D838-A MOLDING COMPOUND 1. SCOPE The material defined by this specification is a polyetheretherketone molding compound. This material is self-extinguishing (SE) without flame retardant additives. 2. APPLICATI
3、ON This specification was released originally for material used for cable clips in engine compartment. 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)
4、. 3.1.1 All requirements of this specification, identified by symbol(s), shall be met with data representing 3 sigma values. 3.4 MOLDED TEST SPECIMEN 3.4.1 Preparation of Test Specimens Unless otherwise specified all tests shall be carried out on injection molded one-end gated test specimens. The fo
5、llowing 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 prepared according to ISO 294. No annealing allowed. 3
6、.4.2 Density 1.29 - 1.33 g/cm3(ISO 1183, Method A) (s) 3.4.3 Tensile Strength at Yield, min 80 MPa (ISO R 527, 150 minimum x 10 x 4.0 +/- 0.2 mm specimen, 50 mm/min test speed) ENGINEERING MATERIAL SPECIFICATIONWSK-M4D838-A Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LL
7、C Page 2 of 4 (s) 3.4.4 Flexural Modulus, min 3.0 GPa (ISO 178, 80 x 10 x 4.0 +/- 0.2 mm specimen, 2 mm/min test speed, 64 mm support span, the radius of the loading nose 5.0 +/- 0.1 mm and of the supports 2.0 +/- 0.2 mm) 3.4.5 Shear Modulus at 23 C 1150 - 1650 MPa (ASTM D 4065, forced constant ampl
8、itude, 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. Specimen length between clamps 35 - 40 mm. Soak time at each temperature interval - 3 minutes minimum). Additionally, a Shear Modulus versus Temperature curve s
9、hall be plotted for -50 to +300 C temperature range, at 5 C minimum intervals. The plotted curve must be within tolerance range shown on page 4. (s) 3.4.6 Impact Strength, Izod, min (ISO 180 Method A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 10 specimens for each test) 3.4.6.1 At 23 +/- 2 C 4.5 kJ/m23.4.6
10、.2 At -40 +/- 1 C 4.5 kJ/m2The test specimens must be conditioned for minimum 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. (s) 3.4.7 Heat Deflection Temperatu
11、re, min 145 C (ISO 75, 120 x 10 x 4.0 +/- 0.2 mm specimen, edgewise, 0.32 +/- 0.01 mm deflection, at 1.80 MPa) 3.4.8 Heat Aging Performance (ISO 188, 150 +/- 50 air changes/h, 1000 h at 200 +/- 2 C. Unaged property values shall be determined at the time of the aged properties determination) 3.4.8.1
12、Tensile Strength at Yield Change +/- 20% (Test Method per para 3.4.3) 3.4.8.2 Impact Strength, Izod Change +/- 20% (Test Method per para 3.4.6.1, specimens to be notched before heat aging) ENGINEERING MATERIAL SPECIFICATIONWSK-M4D838-A Printed copies are uncontrolled Copyright 2006, Ford Global Tech
13、nologies, LLC Page 3 of 4 3.5 FOGGING (FLTM BO 116-03, 3 h at 100 C heating, 21 C cooling plate) Fog Number, min 80 Formation of excessive amounts of clear film or droplets is cause for rejection. 3.6 FLAMMABILITY (ISO 3795) Burn Rate, max 100 mm/minute Self-extinguishing (SE) The specimen size requ
14、ired for material approval is 355 x 100 x 1.0 +/- 0.1 mm with a smooth surface. 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 4.7-5/ C (ASTM D 696) 5.2 MOL
15、D SHRINKAGE (ISO 2577, approx. 150 x 100 x 3.2 +/- 0.2 mm injection molded specimen) 5.2.1 Molding Shrinkage . After 48 h at 23 +/- 2 C 1.4 - 1.9% 5.3 WATER ABSORPTION 0.06 - 0.12% (ISO 62, 24 h, 50 +/- 1 mm diameter, 3.2 +/- 0.2 mm thick specimen) 5.4 MOISTURE CONTENT OF MOLDING COMPOUND MATERIAL (ISO 960, Method B) If moisture content exceeds 0.08% value, the molding compound requires predrying. 5.5 RECYCLING CODE PEEK ENGINEERING MATERIAL SPECIFICATIONWSK-M4D838-A Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 4 of 4
