1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2005 06 20 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.5, 3.6 Removed Inactive ESK-M3D151-B1988 02 01 Revised sheet 1, 2, 3, B/031508 TP 1986 09 17 Released SM/EQ5638 TP Printed copies are uncontrolled Copyright 2005, Ford Global Technologi
2、es, LLC Page 1 of 3 PHENOLIC MOLDING COMPOUND ESK-M3D151-A 40% E-GLASS FIBER REINFORCED 1. SCOPE The material defined by this specification is a high heat resistant composite sheet of 40% chopped strand E glass fibers homogeneously encapsulated in a fully curable Phenolic resin. This material is sel
3、f-extinguishing without flame retardant additives (SE) with no dense smoke and will be used for the hand-lay process directed fiber perform process or modified wet-lay-up molding. 2. APPLICATION This specification was released originally for material used for heat insulation shields. Note: This mate
4、rial absorbs water and should not be used without protected surfaces. 3. REQUIREMENTS 3.0 STANDARD REQUIRMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.4 TEST SPECIMEN 3.4.1 Preparat
5、ion of Test Specimens All tests are to be performed on specimens die-cut from strainless molded flat test sheets manufactured from the same material composition and under equivalent process conditions as on production parts. The thickness of test specimen shall be 2.5 +/- 0.5 mm (acc. to the finishe
6、d part). The dimensions of the test sheet for flammability test shall be 1.7 1.9 x 100 x 355 mm. Edges of specimens to be flat, clean and at right angles to the surface. Molded test sheets shall be annealed according to following cycles before preparing the individual test specimen. 30 min annealing
7、 at 50 - 55 C 4 h annealing at 80 - 85 C and min. 24 h conditioning at 23 +/- 2 C 3.4.2 Ash Content 30 - 45% (ISO 3451/1, Method A except 2 h at 850 +/- 50 C test portion: ca 10 g) Residue of Ash: Glass fibers and inorganic fillers ENGINEERING MATERIAL SPECIFICATIONESK-M3D151-APrinted copies are unc
8、ontrolled Copyright 2005, Ford Global Technologies, LLC Page 2 of 3 3.4.3 Density (ISO R 1183, Method A) Hand-lay process 1.15 - 1.35 g/cm3Directed fiber perform process 1.10 - 1.30 g/cm33.4.4 Flexural Strength min. 75 MPa (ISO 178, 80 x 10 x 2.5 +/- 0.5 mm specimen, support span 60 mm, sr-factor 0.
9、01) 3.4.5 Flexural Modulus min. 4,700 MPa (ISO 178, 80 x 10 x 2.5 +/- 0.5 mm specimen, support span 60 mm sr-factor 0.01) 3.4.6 Impact Strength, Izod, unnotched (ISO 180, except 63.5 x 10 x 2.5 +/- 0.5 mm 10 specimens for each test) 3.4.6.1 At 23 +/- 2 C min. 55 kJ/m 3.4.6.2 At -40 +/- 1 C min. 55 k
10、J/m The test specimens must be conditioned for minimum of 6 h at the above specified temperature prior to impart test. Low temperature testing shall be done within the cold box, if not possible, test can be conducted outside, but within 5 s. 3.4.7 Heat Deflection Temperature (ISO 75, 110 x 10 x 2.5
11、+/- 0.5 mm) At 1.82 MPa tbe 3.4.8 Water Absorption max. 12% (ISO 62, Method 2) after 96 h total immersion at 23 +/- 2 C, except test results in percent 3.4.9 Heat Ageing (ISO 188, normal oven type at 190 +/- 2 C) 3.4.9.1 Impact strength, Izod, unnotched (Test Method according to para 3.4.6.1) 10 spe
12、cimens for each test after 24 h heat ageing min 20 KJ/m2after 1000 h heat ageing min 20 KJ/m23.4.9.2 Flexural Strength (Test Method according to para 3.4.4) 10 specimens for each test after 24 h heat ageing min 50 MPa after 1000 h heat ageing min 10 MPa ENGINEERING MATERIAL SPECIFICATIONESK-M3D151-A
13、Printed copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page 3 of 3 3.4.10 Flammability Note to Flammability (Para. 3.4.10.1) The flammability shall be determined on 100 x 355 mm specimens with a thickness of 1.7 1.9 mm and smooth surface. 3.4.10.1 (ISO 3795) Burn Rate SE (0 mm
14、/min) 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 0.7 1.3 x 10-5/C (ASTM D 696) 5.2 POST SHRINKAGE 0.08% (ISO 2577, test specimen 110 x 10 x 4 mm) After 48 h at 235 C 5.3 MAXIMUM TEMPERATURE FOR CONTINUOUS USE max. 250 C
