1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 01 08 N-STATUS No replacement named J. Crist, NA 2005 11 17 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.8, 3.9 aluminum foil, 180 - 200 C molding temperature, 15 +/- 2 C/min cooling rate. The values of this specification are based on u
2、nannealed specimens. 3.5.2 Density 0.945 - 1.007 g/cm3(ISO 1183, Method A/ASTM D 792, Method A1) 3.5.3 Tensile Strength at Yield, min 15.7 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 Break, min 200% (Test Method according to para 3.
3、5.3) ENGINEERING MATERIAL SPECIFICATIONWSK-M4D696-A Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 2 of 4 3.5.4 Flexural Modulus, min 460 MPa (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
4、 23 C 400 - 600 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. Specimen length between clamps 35-40 mm. Soak time at each temperature interval - 3 minutes minimum) Addit
5、ionally, a Shear Modulus vs. Temperature curve shall be plotted for -50 to +120 C temperature range, at 5 C minimum intervals. The plotted curve must be within tolerance range shown on 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 specim
6、en, 10 specimens for each test) 3.5.6.1 At 23 +/- 2 C 7.3 kJ/m23.5.6.2 At -40 +/- 2 C 3.0 kJ/m23.5.6.3 At -25 +/- 2 C 3.0 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,
7、 if not possible, test can be conducted outside, but within 5 s. 3.5.7 Heat Deflection Temperature, min 38 C (ISO 75/ASTM D 648, 120 x 10 x 4.0 +/- 0.2 mm specimen, at 1.82 MPa) 3.5.8 Heat Aging Performance (ISO 188/ASTM D 573, 150 +/- 50 air changes/h, 1000 h at 80 +/- 2 C. Unaged property values s
8、hall be determined at the time of the aged properties determination) 3.5.8.1 Tensile Strength Change +/- 20% (Test Method per para 3.5.3) 3.5.8.2 Impact Strength, Izod Change -15% (Test Method per para 3.5.6.1, specimens to be notched before heat aging) 3.6 FLAMMABILITY (ISO 3795) Burn Rate, max 100
9、 mm/minute The specimen size required for material approval is 355 x 100 x 0.9 - 1.1 +/- 0.1 mm with a smooth surface. ENGINEERING MATERIAL SPECIFICATIONWSK-M4D696-A Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 3 of 4 3.7 FOGGING (FLTN BO 116-03, specimen thickn
10、ess 1.5 - 1.7 mm) Fog Number, min 65 Formation of excessive amounts of clear film or droplets is cause for rejection. 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 E
11、XPANSION 16-5/ 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 3.0% 5.2.2 Post Shrinkage (Separate specimens required for each test) After 48 h at 80 C 0.5% After 30 min at 120 C 1.5% ENGINEERING MATERIAL SPECIFICATIONWSK-M4D696-A Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 4 of 4
