1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions 2013 07 04 N-STATUS No replacement A. Wedepohl, NA 2006 11 15 Revised Inserted 3.0; Deleted 3.1 & 4 1980 12 20 Released CE3K-RD742450-E122 Copyright 2013, Ford Global Technologies, LLC Page 1 of 2 PLASTIC, MAGNETIC - INJECTION MOLDED ESE-M99D
2、40-A NOT FOR NEW DESIGN 1. SCOPE The material defined by this specification is an injection moldable modified nylon, filled with ferrite powder. 2. APPLICATION This specification was released originally for material used for permanent distributor field magnets. Note: Parts using this material should
3、 not be exposed to an environment of continuous operating temperature above 100 C. Specific information on this material with respect to application should be obtained from the responsible PEO materials engineering department. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Materi
4、al suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.2 SPECIFIC GRAVITY 3.20 - 3.40 (ASTM D 792) 3.3 MOLDED PART 3.3.1 Color Natural or as specified on engineering drawing 3.3.2 Appearance Shall be uniform in density, texture
5、 and finish, free of visible porosity, warpage, heat scorch, checks, surface cracks, pitting or any other imperfections. 3.3.3 Regrind and/or Blended Material Must meet Q101 Appendix D, with limits as specified on the engineering drawing. 3.3.4 Process Control Must meet Q101 Appendix D. 3.3.5 Magnet
6、ic Properties As specified on engineering drawing and/or engineering part specification. ENGINEERING MATERIAL SPECIFICATION ESE-M99D40-A Copyright 2013, Ford Global Technologies, LLC Page 2 of 2 3.3.6 Physical Properties Specific requirements for physical properties of molded or extruded parts shall
7、 be specified on the engineering drawing and/or engineering part specification. All critical areas with respect to these properties shall be clearly designated on the engineering drawing. 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 TENSILE STRENGTH 45 MPa (ASTM D 638) 5.2 FLEXURAL MODULUS 8.9 GPa (ASTM D 790) 5.3 DEFLECTION TEMPERATURE 140 C (ASTM D 628, 1820 kPa) 5.4 IMPACT STRENGTH, IZOD 32 J/m (ASTM D 256, notched)
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