1、c-3 ENGINEERING MATERIAL SPECIFICATION Date Release No. 1989 11 17 SM/EQ9859 TP Material Name File Control No. Specification Number Releaseflevision Released L. Rodigas THERMOPLASTIC POLYESTER- ETHER ELASTOMER (TEEE) , 55 DUROMETER D HARDNESS, EXTRUSION MOLDING COMPOUND THERMOPIASTIC POLYESTER-ETHER
2、. ELASTOMER (TEEE), 55 DUROMETER D HARDNESS, HEAT STABILIZED EXTRUSION MOLDING COMPOUND 1. SCOPE The materials defined by these specifications are rigid thermoplastic polyester-ether elastomer (TEEE). 55 durometer D hardness, preferable for extrusion molding. 2. APPLICATION These specifications were
3、 released originally for materials used or damping bushes. 3. REQUIRPIENTS 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 statistic
4、al 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 THEXMAL ANALYSIS Ford Motor Company, at its option, may conduct infrared and/or thermal analysis of msterial/parts suppiied to this specificatio
5、n. .The IR spectra and thennograms 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 thermograms that correspond to the reference standard when tested under the same condi
6、tions. 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 21 h prior to testing and tested under the same conditions unless otherwise specified. m 90091b0
7、0005473 293 ENGINEERING MATERIAL SPECIFICATION WSK-kl4D692-AI 3.4 3.5 MOLDING 3.4.1 COMPOUND Melt Flow Rate (IS0 1133/ASTM D 1238, 220 C, 2.16 kg) WSK-M4D692-A1 6 - 9 g/10 minutes WSK-M4D692-A2 7 - 10 g/10 minutes The material shall be dried for 1 h minimum at 135 C in a mechanical convection oven i
8、mmediately preceding the test. MOLDED TEST SPECIMEN 3.5.1 3.5.2 3.5.3 3.5.4 3.5.5 Preparation of Test Specimens Unless otherwise specified all tests shall be carried out on injection molded one-end gated test specimens. The following dimensions are required: A. 150 minx 10 x 4.0 +/- 0.2 mi (Tensile
9、Bar, IS0 3167) B. 120 x 10 x 4.0 +/- 0.2 Specimens with shorter dimensions shall be cut from the center portion of the test specimen A and/or B. The specimens .shall be prepared according to IS0 294. No annealing allowed. Density (A1.6 A2) (IS0 1183, Method A/ASTM D 792, Method Al) 1.17 - 1.22 g/cm3
10、 Hardness Durometer D (Al &.A2) (IS0 868/ASTM D 2240, 15 s dwell) Tensile Strength at Yield, min (Al & A2) (IS0 R 527/ASTM D 638i4, 150 min x 10 x 4.0 +/- 0.2 mm specimen, 50 mm/min test speed) 50 - 60 13 MPa 3.5.4.1 Elongation at Yield, min 28 % (Test Method according to para 3.5.4) Flexural Modulu
11、s, min (IS0 178/ASTM D 790M, Method I, Procedure A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 64 rrrm support span) 150 MPa 160 MPa W? 3945-b Page 2 of 6 9009360 0005472 I128 ENGINEERING MATERIAL SPECIFICATION 3.5.6 Shear Modulus at 23 C (Al & A2) 60 - 90 MPa (ASTM D 4065, forced constant amplitude, fixed
12、frequency of 1 Hz +/- 15 %, strain level below 1 2. Specimen approx. 60 x 10 x 4.0 +/- 0.2 nun cut from the center of specimen A. Specimen length between clamps 35-40 mm. Soak time at each temperature interval - 3 minutes minimum) Additionally, a Shear Modulus vs . Temperature curve shall be plotted
13、 for - 50 to + 150 C temperature range, at 5 C minimum intervals. The plotted curve must be within tolerance range shown on page 6. 3.5.7 Impact Strength, Izod, min (Al & A2) (IS0 180, Method A/ASTM D 256, Method A, 63.5 x 10 x 4.0 +/- 0.2 mm specimen, 10 specimens for each test) 3.5.7.1 At 23 +/- 2
14、 C No break 3.5.7.2 At - 40 +/- 2 C No break 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 possible, test can be conducted outside, but within 5 s. 3.5.8 Heat Defl
15、ection Temperature, rnin (IS0 75/ASTM D 648, 120 x 10 x 4.0 +/- 0.2 mm specimen) 3.5.8.1 At 1.82 MPa 3.5.8.2 At 0.45 MPa WSK-M4D692-A1 WSK- M4D6 9 2 - A2 00 c 35 c 65 C 55 c 3.5.9 Heat Aging Performance (IS0 188/ASTM D 573, 150 +/- 50 air changesfi, WSK-MGD692-Al - 1000 h at 110 +/- 2 C and WSK-M4D6
16、92-A2 - 1000 h at 130 +/- 2 C. Unaged property values shall be determined at the time of the aged properties determination) 3.5.9.1 Tensile StrengCh at Yield Change +/- 25 % (Test Method per para 3.5.4) WP 3948-b Page 3 of 6 9009Lb0 0005473 Ob4 3.6 3.7 3.8 3.9 3.5.9.2 Impact Strength, Izod Change No
17、 break (Test Method per para 3.5.7.1, specimens to be notched before heat aging) FLAMMABILITY (Al & A2) (IS0 3795) Burn Rate, max 100 mm/minute The specimen size required for material approval is 355 x 100 x 1.0 +/- 0.1 mm with a smooth surface. FOGGING (Al & A2) (ELTM BO 116-3) Fog Number, min tbd
18、Formation of excessive amounts of clear film or droplets is cause for rejection. 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 w
19、ith respect to these properties shall be clearly designated on the Engineering drawing. 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 proper
20、ties, 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, the Supplier shall notify Purchasing, Toxicology and the affected Materials En
21、gineering 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 vith the request. Substance restrictions imposed by law, regulations or Ford, apply to the materials addressed
22、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. WP 3948-b Page 4 of 6 9009Lb0 0005474 TTO W ENGINEERING MATERIAL SPECIFICATION - WSK-M4D6 92
23、 -Al 4. APPROVAL OF MATERIALS . 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 Engineeri
24、ng activity. Upon request, 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
25、 added to the Engineering Material Approved Source 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 (Al -& A2) 10E-5/ C (ASTM D 696) 5.2 MOLD SHRINKAGE (A! &
26、A2) (IS0 2577, approx. 150 x 100 x 3.2 +/- 0.2 mm injection molded specimen) 5.2.1 Molding Shrinkage After 48 h at 23 +/- 2 C 1.1 - 1.5 % 5.2.2 Post Shrinkage (Separate specimens required for each test) After 48 h at 80 C After 30 min at 120 C 0.1- 0.3 3 0.2 - 0.5 % WP 3948-b - m 9009160 0005475 937 m Page 5 of 6 c-7 ENGINEERING MATERIAL SPECIFICATION WSK-M4D6 9 2 -Al - WP 3948-b SHEAFi MODULUS / SCHUBMODUL (MP8) Page 6 of 6
