1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Release No. Release/Revision 2010 11 11 N-STATUS Replaced by SDS and USCAR requirements A. Pan, APA 1988-10-31 CF4S RD107002-201 Released WP 3948-a Page 1 of 4 POLYPHENYLENE ETHER (PPE), HIGH IMPACT ESF-M4D602-A POLYSTYRENE
2、BLEND, 30% GLASS FIBER REINFORCED INJECTION MOLDING COMPOUND, ELECTRICAL GRADE NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a glass fiber reinforced thermoplastic compound based on polyphenylene ether (or oxide) modified with high impact polystyrene possessing
3、 good electrical properties. 2. APPLICATION This specification was released originally for material used for the secondary bobbin on DIS unit. 3. REQUIREMENTS 3.1 STATISTICAL PROCESS Suppliers must conform to the requirements of Ford Quality System Standard Q-101. A mutually acceptable Control Plan
4、as described therein is required for material/source approval. Appropriate statistical tools must be used to analyze process/product data so that variation in the final product is continuously reduced. 3.2 INFRARED SPECTROPHOTOMETRY AND/OR THERMAL ANALYSIS Ford Motor Company, at its option, may cond
5、uct infrared and/or thermal analysis of material/parts supplied to this specification. The IR spectra and thermogram established for initial approval shall constitute the reference standard and shall be kept on file at the designated material laboratory. All samples shall produce IR spectra and ther
6、mograms that correspond to the reference standard when tested under the same conditions. 3.3 CONDITIONING AND TEST CONDITIONS All test values indicated herein are based on material conditioned in a controlled atmosphere of 23 +/- 2 C and 50 +/- 5% relative humidity for not less than 24 h prior to te
7、sting and tested under the same conditions unless otherwise specified. 3.4 MOLDING COMPOUND 3.4.1 Color Gray ENGINEERING MATERIAL SPECIFICATION ESF-M4D602-A WP 3948-b Page 2 of 4 3.4.2 Glass Fiber Content 28 - 32% (ASTM D 2584, 1 h at 650 C) 3.4.3 Melting Point, min t.b.d. (FLTM B0 21-2) 3.5 MOLDED
8、TEST SPECIMEN 3.5.1 Preparation of Test Specimens Unless otherwise specified all tests shall be carried out on injection molded test specimens. The specimens shall be prepared according to ISO 294/ASTM D 1897. No annealing allowed. 3.5.2 Density, min 1.28 g/cm3 (ISO R 1183, Method A/ASTM D 792, Meth
9、od A1) 3.5.3 Tensile Strength at Max Load, min 69 MPa (ISO R 527/ASTM D 638, 3.2 +/- 0.2 mm thick specimen, 5mm/min test speed) 3.5.4 Flexural Strength, min 110 MPa (ISO 178/ASTM D 790, Method I, Procedure A, 3.2 +/- 0.2 mm thick specimen, 100 mm support span) 3.5.5 Flexural Modulus, min 6.2 GPa (IS
10、O 178/ASTM D 790, Method I, Procedure A, 3.2 +/- 0.2 mm thick specimen, 100 mm support span) 3.5.6 Impact Strength, Izod, min 53 J/m (ISO 180, Method A/ASTM D 256, Method A, 3.2 +/- 0.2 mm thick specimen, 10 specimens minimum) 3.5.7 Heat Deflection Temperature, min 129 C (ISO 75/ASTM D 648, 3.2 +/-
11、0.2 mm thick specimen, at 1.82 MPa) 3.5.8 Water Absorption, max 0.10% (ISO 62, 24h/ASTM D 570, 24h 50 +/- 1 mm diameter, 3.2 +/- 0.2 mm thick specimen) 3.5.9 Dielectric Strength, min 20 kV/mm (ASTM D 149, Short Time, 3.2 +/- 0.2 mm thick specimen) ENGINEERING MATERIAL SPECIFICATION ESF-M4D602-A WP 3
12、948-b Page 3 of 4 3.6 FLAMMABILITY (ASTM D 635) Average Time of Burning, max 60 s Average Extent of Burning, max 15 mm Average Burning Rate, max t.b.d 3.7 ADDITIONAL REQUIREMENTS Specific requirements for material and/or manufactured parts shall be specified on the Engineering drawing, Engineering p
13、arts specification and/or performance specifications. All critical areas with respect to these properties shall be clearly designated on the Engineering drawing. 3.8 SUPPLIERS RESPONSIBILITY All materials supplied to this specification must be equivalent in all characteristics to the material upon w
14、hich approval was originally granted. Prior to making any change in the properties, composition, construction, color, processing or labeling of the material originally approved under this specification, whether or not such changes affect the materials ability to meet the specification requirements,
15、the Supplier shall notify Purchasing, Toxicology and the affected Materials Engineering activity of the proposed changes and obtain the written approval of the Materials Engineering activity. Test data, test samples and a new code identification are to be submitted with the request. Substance restri
16、ctions imposed by law, regulations or Ford, apply to the materials addressed by this document. The restrictions are defined in Engineering Material Specification WSS-M99P9999-A1, unless a different suffix (e.g., A2 or A3) is specified on the engineering document for the application. 4. APPROVAL OF M
17、ATERIALS Materials defined by this specification must have prior approval by the responsible Materials Engineering activity. Suppliers desiring approval of their materials shall first obtain an expression of interest from the affected Purchasing, Design and Materials Engineering activity. Upon reque
18、st, the Supplier shall submit to the affected Materials Engineering activity its own laboratory report to the specification (test results, not nominal values), the material designation and code number, and test specimens for Ford evaluation. Upon approval, the material will be added to the Engineeri
19、ng Material Approved Source List. ENGINEERING MATERIAL SPECIFICATION ESF-M4D602-A WP 3948-b Page 4 of 4 5. GENERAL INFORMATION The information below is provided for clarification and assistance in meeting the requirements to the specification. 5.1 COEFFICIENT OF LINEAR THERMAL EXPANSION 2.5E-5/C (ASTM D 696) 5.2 MOLD SHRINKAGE 0.1 - 0.3 % (ASTM D 955) 5.3 HEAT DEFLECTION TEMPERATURE 138 C (ISO 75/ASTM D 648, 3.2 +/- 0.2 mm thick specimen, at 0.45 MPa) 5.4 HARDNESS, ROCKWELL R 115 (ASTM D 785)
