1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 01 12 N-STATUS No replacement named J. Crist, NA 2005 12 22 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.8, 3.9 & 4 1990 07 18 Released DE00E00107002063 J.B. Huebner Printed copies are uncontrolled Copyright 2010, Ford Global Technologi
2、es, LLC Page 1 of 4 POLYETHERIMIDE (PEI), 10% GLASS FIBER WSF-M4D736-A REINFORCED MOLDING COMPOUND NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a glass fiber reinforced thermoplastic molding compound based on polyetherimide. 2. APPLICATION This specification w
3、as released originally for material used for electrical connectors. 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). 3.4.1 Glass Fiber Content 8 - 12%
4、 (ISO 3451/1, Method A, at 650 +/- 25 C) 3.5 MOLDED TEST SPECIMEN 3.5.1 Preparation 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
5、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. 3.5.2 Density 1.33 - 1.37 g/cm3(ISO 1183, Method A/ASTM D 792, Method A1) 3.5.3 Tensi
6、le Strength at Break, min 98 MPa (ISO R 527/ASTM D 638M, 150 min x 10 x 4.0 +/- 0.2 mm specimen, 5 mm/min test speed) 3.5.4 Flexural Modulus, min 3.8 GPa (ISO 178/ASTM D 790M, Method I, Procedure A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 64 mm support span) ENGINEERING MATERIAL SPECIFICATIONWSF-M4D736-A
7、 Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 2 of 4 3.5.5 Shear Modulus at 23 C 1450 - 1650 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 spe
8、cimen 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 plotted curve must be within tolerance range shown on
9、 page 4. 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, 10 specimens for each test) 3.5.6.1 At 23 +/- 2 C 4.5 kJ/m23.5.6.2 At -40 +/- 2 C 4.5 kJ/m23.5.7 Heat Deflection Temperature, min 200 C (ISO 75/ASTM D 648, 120 x 10 x 4.0 +/- 0.2 m
10、m specimen. At 1.82 MPa) 3.5.8 Heat Aging Performance (ISO 188/ASTM D 573, 150 +/- 50 air changes/h, 1000 h at 180 +/- 2 C. Unaged property values shall be determined at the time of the aged properties determination) 3.5.8.1 Tensile Strength at Break Change +/- 15% (Test Method per para 3.5.3) 3.5.8
11、2 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. 3.7 FOGGING (FLTM BO 116-03
12、) Fog Number, min 60 Formation of excessive amounts of clear film or droplets is cause for rejection. ENGINEERING MATERIAL SPECIFICATIONWSF-M4D736-A Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 3 of 4 5. GENERAL INFORMATION The information given below is provide
13、d for clarification and assistance in meeting the requirements of this specification. 5.1 COEFFICIENT OF LINEAR THERMAL EXPANSION 3.5-5/ 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 Shrinkage After 48 h at 23 +/- 2 C 0.7% 5.
14、3 WATER ABSORPTION 0.3% (ISO 62/ASTM D 570, 24 h, 50 +/- 1 mm diameter, 3.2 +/- 0.2 mm thick specimen) 5.4 MOISTURE CONTENT, max 0.02% (ISO 960, Method B/ASTM D 789) ENGINEERING MATERIAL SPECIFICATIONWSF-M4D736-A Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 4 of 4
