1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Release No. Release/Revision 2010 10 08 N-STATUS No replacement named L. Soreide, NA 1988 09 15 107002-185 CF4S Released WP 3948-a Page 1 of 5 AROMATIC POLYESTER (ARP), 30 % GLASS FIBER WSF-M4D600-A REINFORCED NOT TO BE USED
2、 FOR NEW DESIGN 1. SCOPE The material defined by this specification is a glass fiber reinforced liquid crystal polymer based on aromatic polyester (ARP) that exhibits a highly ordered structure in both the melt and solid states. 2. APPLICATION This specification was released originally for material
3、used for UESC module. 3. REQUIREMENTS 3.1 STATISTICAL PROCESS Suppliers must conform to the requirements of Ford Quality System Standard Q-101. A mutually acceptable Control Plan as described therein is required for material/source approval. Appropriate statistical tools must be used to analyze proc
4、ess/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 conduct infrared and/or thermal analysis of material/parts supplied to this specification. The IR spectra and thermograms est
5、ablished 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 thermograms that correspond to the reference standard when tested under the same conditions. 3.3 CONDITIONING AND TEST CONDI
6、TIONS 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 testing and tested under the same conditions unless otherwise specified. 3.4 MOLDING COMPOUND 3.4.1 Melt Flow Rate t.b.d.
7、 g/10 min (ISO 1133/ASTM D 1238, _ C, _ kg) ENGINEERING MATERIAL SPECIFICATION WSF-M4D600-A WP 3948-b Page 2 of 5 3.4.2 Glass Fiber Content 27 - 33 % (ISO 3451/1, Method A 1 h at 650 +/- 25 C) 3.5 MOLDED TEST SPECIMEN 3.5.1 Preparation of Test Specimens Unless otherwise specified all tests shall be
8、carried out on injection molded one-end gated test specimens. The following dimensions are required: A. 150 x 10 x 4.0 +/- 0.2 mm (Tensile Bar, ISO 3167) B. 120 x 10 x 4.0 +/- 0.2 mm Specimens with shorter dimensions shall be cut from the center portion of the test specimen A and/or B. The specimens
9、 shall be prepared according to ISO 294. No annealing allowed. 3.5.2 Density 1.58 - 1.67 g/cm3 (ISO 1183, Method A/ASTM D 792, Method A1) 3.5.3 Tensile Strength at Break, min 193 MPa (ISO R 527/ASTM D 638M, 150 x 10 x 4.0 +/- 0.2 mm specimen, 5 mm/min test speed) 3.5.4 Flexural Modulus, min 12.0 GPa
10、 (ISO 178/ASTM D 790M, Method I, Procedure A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 64 mm support span) 3.5.5 Shear Modulus at 23 C t.b.d. MPa (ASTM D 4065, forced constant amplitude, fixed frequency of 1 Hz +/- 15 %, strain level below 1%. Specimen approx. 60 x 10 x 4.0 +/- 0.2 mm cut from the center
11、of specimen A. Additionally, a Shear Modulus vs. Temperature curve shall be plotted for - 50 to + _ C temperature range, at 5 C minimum intervals. The plotted curve must be within tolerance range shown on page 5. 3.5.6 Impact Strength, Izod, min (ISO 180, Method A/ASTM D 256, Method A, 63.5 x 10 x 4
12、.0 +/- 0.2 mm specimen, 10 specimens for each test) 3.5.6.1 At 23 +/- 2 C 7.4 kJ/m2 3.5.6.2 At -40 +/- 2 C t.b.d. kJ/m2 The test specimens must be conditioned for minimum of 6 h at the above specified temperature prior to impact test. Low temperature testing shall be done within the cold box, if not
13、 possible, test can be conducted outside, but within 5 s. ENGINEERING MATERIAL SPECIFICATION WSF-M4D600-A WP 3948-b Page 3 of 5 3.5.7 Heat Deflection Temperature, min 220 C (ISO 75/ASTM D 648, 120 x 10 x 4.0 +/- 0.2 mm specimen, at 1.82 MPa) 3.5.8 Heat Aging Performance (ISO 188/ASTM D 573, 1000 h a
14、t _ +/- 2 C) 3.5.8.1 Tensile Strength Change +/- 15 % (Test Method per para 3.5.3) 3.5.8.3 Impact Strength, Izod Change +/- 15 % (Test Method per para 3.5.6.1, specimens to be notched before heat aging) 3.6 FLAMMABILITY (ISO 3795) Burn Rate, max 100 mm/min The specimen size required for material app
15、roval is 355 x 100 x 3.2 +/- 0.1 mm with a smooth surface. 3.7 ADDITIONAL REQUIREMENTS Specific requirements for material and/or manufactured parts shall be specified on the Engineering drawing, Engineering parts specification and/or performance specifications. All critical areas with respect to the
16、se 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 which approval was originally granted. Prior to making any change in the properties, composit
17、ion, 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, the Supplier shall notify Purchasing, Toxicology and the affected Materials Engineering acti
18、vity 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 restrictions imposed by law, regulations or Ford, apply to the materials addressed by this documen
19、t. 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. ENGINEERING MATERIAL SPECIFICATION WSF-M4D600-A WP 3948-b Page 4 of 5 4. APPROVAL OF MATERIALS Materials def
20、ined 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 request, the Supplier shall
21、 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 Engineering Material Approved S
22、ource List. 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 (ASTM D 696) With Flow 0 - 2.5E-5/ C Transverse to Flow 2.5 - 5.0E-5/ C 5.2 MOLD SHRINKAGE (ISO 2577, ap
23、prox. 150 x 100 x 3.2 +/- 0.2 mm injection molded specimen) 5.2.1 Molding Shrinkage . After 48 h at 23 +/- 2 C 0 - 0.1 % 5.2.2 Post Shrinkage (Separate specimens required for each test) . After 48 h at 80 C t.b.d. % . After 30 min at 120 C t.b.d. % 5.3 MELTING POINT, min t.b.d. C (ISO 1218, Method B/ASTM D 789) ENGINEERING MATERIAL SPECIFICATION WSF-M4D600-A WP 3948-b Page 5 of 5 SHEAR MODULUS MPa vs. TEMPERATURE t.b.d.
