1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2009 11 19 N-STATUS No replacement named J. Crist, NA 2005 05 31 Revised Inserted 3.0; Deleted 3.1, 3.4.1, 3.4.2, 3.5.3, 3.6 Heating rate: 20 C/min; Pen Sensitivity Scale: 0.5 mcal/s/in (8.25 x 10-5W/mm). Place the sample in an aluminum pan an
2、d set it on the DSC sample platform. Place an empty pan on the reference platform and cover the cell. After the melt point exothermic peak, the pen will first trace a straight line, then a rapid exothermic rise. The induction temperature shall be taken as the temperature corresponding to the interse
3、ction of the extrapolations of the baseline and the exothermic peak. The results obtained from 2 runs shall be within 1 C. 3.3 MOLDING COMPOUND 3.3.1 Melting Point 210 - 225 C (ASTM D 789) 3.3.2 Moisture Content, max 0.2% (ASTM D 789) 3.3.3 Glass Fiber Content 41 - 45% (1 h at 482 C) ENGINEERING MAT
4、ERIAL SPECIFICATIONESH-M4D367-APrinted copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 2 of 2 3.4 MOLDED TEST SPECIMEN The following requirements are intended for initial source qualifications, and Initial Sample Inspection Report. These will be rechecked at intervals spec
5、ified by Quality Assurance. 3.4.3 Color Black 3.4.4 Specific Gravity 1.39 - 1.46 (ASTM D 792) 3.4.5 Tensile Strength, min 23,000 psi (159 MPa) (ASTM D 638, 0.2 in (5 mm)/min) 3.4.6 Flexural Modulus, min 1.1 x 105psi (758 MPa) (ASTM D 790) 3.4.7 Flexural Strength, min 34,000 psi (235 MPa) (ASTM D 790
6、) 3.4.8 Impact Strength, Izod, min 2.0 ft lb/in (107 J/m) (ASTM D 256, 1/4 in (6.4 mm) sample width) 3.4.9 Deflection Temperature, min 199 C (ASTM D 648, 1/2 in (12.7 mm) sample width, 264 psi (1820 kPa) 3.4.10 Coolant Immersion (Periodic validation only) (120 h 107 +/- 3 C, 45/55 Coolant (ESE-M97B1
7、8-C) to water) Tensile Strength Change, max -30% to 0 Impact Strength Change No loss Weight Change, max 0 to +5% 3.4.11 Heat Stability, Cu, min 25 ppm 3.5 MOLDED PART 3.5.1 Color Black or as specified on engineering drawing. 3.5.2 Appearance Shall be uniform in density, texture and finish, free of v
8、isible porosity, warpage, heat scorch, checks, cracks, chipped edges and uneven surfaces. They shall also be free of other contamination. 3.5.4 The following requirements will be used as acceptance criteria for molded parts. The tests indicated will be conducted by Ford Motor Company at its option. Water Absorption, max 0.3% (ASTM D 570, 24 h) Glass Fiber Content 41 - 45% (1 h at 482 C)
