1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions 2016 04 20 N Status No replacement named L. Sinclair, NA 2004 11 17 Revised Inserted 3.0; Deleted 3.3 & 4 1963 06 28 Released F6-1076 Copyright 2016, Ford Global Technologies, LLC Page 1 of 2 PHENOLIC MOLDING COMPOUND, FLOCK FILLED - ESA-M3D7
2、3-B MEDIUM IMPACT NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a two stage, flock filled, phenolic molding compound with medium impact properties. 2. APPLICATION This specification was released originally for material used in power steering pump pulleys. 3. RE
3、QUIREMENTS 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). 3.1 MOLDED MATERIAL PROPERTIES 3.1.1 Impact Strength, Izod, min 26.7 J/m (ASTM D 256) 3.1.2 Specific Gravi
4、ty 1.38 - 1.48 (ASTM D 792) 3.1.3 Flexural Strength, min 69 MPa (ASTM D 790) 3.1.4 Tensile Strength, min 44.8 MPa (ASTM D 638) 3.1.5 Compressive Strength, min 186 MPa (ASTM D 695) 3.1.6 Water Absorption, max 0.6 (ASTM D 570, 24 h at 23 +/- 2 C) 3.1.7 Hardness - Rockwell “M“, min 105 (ASTM D 785) 3.1
5、.8 Deflection Temperature, min 168 C (ASTM D 648, 1820 kPa) 3.1.9 Ash, min 11% (FLTM BO 006-02) ENGINEERING MATERIAL SPECIFICATION ESA-M3D73-B Copyright 2016, Ford Global Technologies, LLC Page 2 of 2 3.1.10 Dielectric Strength (ASTM D 149, 48 h, 50% R.H., 23 +/- 2 C) Short Time 15.7 kV/mm Step by S
6、tep 11.8 kV/mm 3.1.11 Coefficient of Linear Thermal 40 x 10-6 Expansion mm/mm/C max (ASTM D 646) 3.2 MOLDED PARTS Specific requirements for physical properties of molded parts, when required, shall be specified on engineering drawings. 3.2.1 Water Absorption, max 1.8% (ASTM D 570, except sample size)
