1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2003 10 09 Revised Para 3.0 inserted; para 3.9, 3.10 and 4 deleted 1987 02 09 888002-512 Revised & retyped 1983 04 12 Released (Was XF-M6AX40) CF4N-RD557294-25 Printed copies are uncontrolled Copyright 2003, Ford Global Technologies, Inc. Page
2、 1 of 2 METAL COMPOSITE, COPPER CLAD INVAR ESF-M6A101-A 1. SCOPE The material defined by this specification is an Invar substrate clad on both sides with copper. It is approximately 20% Cu - 60% Invar - 20% Cu. 2. APPLICATION This specification was released originally for material used in the igniti
3、on control module. 3. REQUIREMENTS 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 CHEMICAL COMPOSITION (INVAR) Phosphorus 0.025 max Sulfur 0.025 max Carbon 0.12
4、 max Manganese 0.50 max Silicon 0.25 max Nickel 35.50 - 36.50 Iron Balance 3.2 CHEMICAL COMPOSITION (SAE C10300 COPPER) Copper (Inc. Silver) 99.95 min Phosphorus 0.001 - 0.005 3.3 MECHANICAL PROPERTIES (ASTM E8) Tensile Strength, min 310 MPa Yield Strength, min 173 MPa (0.2% offset) Elongation, min
5、25% (50.8 mm length) 3.4 TEMPER The material shall be furnished in the annealed condition unless specifically ordered to a different temper. ENGINEERING MATERIAL SPECIFICATIONESF-M6A101-APrinted copies are uncontrolled Copyright 2003, Ford Global Technologies, Inc. Page 2 of 2 3.5 SURFACE FINISH The
6、 surfaces shall be free of heavy oxidation or surface imperfections such as pits, nicks, dents, gouges, scratches, delaminations, or inclusions greater than 0.02 mm in depth. A light oxidation is acceptable, provided it can be cleaned/removed by standard cleaning methods. The surface finish, as meas
7、ured by a profilometer against the rolling direction, shall be 1.0 micrometres, max. 3.6 THERMAL COEFFICIENT OF EXPANSION The material shall expand at a rate of 5.2 +/- 1.0 ppm/C over the temperature range of - 55 C to +/- 125 C. Test technique to be agreed upon by supplier and customer. 3.7 BOND INTEGRITY The material shall not delaminate after bending the material 180 around an arbor of diameter equal to the material thickness. 3.8 DENSITY 8440 kg/m3+/- 10%
