1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev 02 2012 05 07 N Status No usage or replacement N. Benipal, NA 2006 09 19 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.9, 3.10 & 4 1999 06 23 Activated J. Lott Controlled document at www.MATS Copyright 2012, Ford Global Technologies, LLC
2、 Page 1 of 1 INSULATOR, HEAT ABSORBING, GRAPHITE FOIL WSS-M99G122-B NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a compressed graphite sheet, using no binder. 2. APPLICATION This specification was released originally for material used as an insulating spacer i
3、n exhaust hangers. 3. REQUIREMENTS Material specification requirements are to be used for initial qualification of materials. 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P
4、1111-A). 3.4 COMPOSITION 3.4.1 Graphite, min 80% 3.4.2 Ash, max 20% (ASTM C 56) 3.4.3 Organics 0 3.5 DENSITY 1120 +/- 80 kg/m3 (ASTM C 559) 3.6 TENSILE STRENGTH, min 6.9 Mpa (ASTM D 882) 3.7 COMPRESSIVE STRENGTH 74 Mpa (ASTM F 36) 3.8 COEFFICIENT OF THERMAL EXPANSION ALONG LENGTH OR WIDTH AT 21-1094 C -0.2 x 10-6 Test Method: Material must have a thermomechanical analysis curve that matches that of first production parts upon which approval was originally granted.
