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    FORD ESB-M4D241-B-2009 ABS ELECTROPLATING GRADE HEAT RESISTANT HIGH STRENGTH TO BE USED WITH FORD WSS-M99P1111-A 《高强度、耐高温的电镀级丙烯腈-丁二烯-苯乙烯共聚物(ABS) 与标准FORD WSS-M99P1111-A一起使用 [使用 .pdf

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    FORD ESB-M4D241-B-2009 ABS ELECTROPLATING GRADE HEAT RESISTANT HIGH STRENGTH TO BE USED WITH FORD WSS-M99P1111-A 《高强度、耐高温的电镀级丙烯腈-丁二烯-苯乙烯共聚物(ABS) 与标准FORD WSS-M99P1111-A一起使用 [使用 .pdf

    1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Action Changes 2009 08 11 N-STATUS Replaced by WSK-M4D836-A A. Pan, AP 1993 09 07 Revised NB00E10043064115 & Retyped J. A. Burke 1968 10 30 Released AY1-302 WP 3948-a Page 1 of 3 ABS, ELECTROPLATING GRADE, HEAT RESISTANT ESB

    2、-M4D241-B HIGH STRENGTH NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a specially formulated heat resistant, high strength, electroplating grade of acrylonitrile butadiene styrene (ABS) plastic. Since this material is nonconductive, a conductive coating must be

    3、 applied before the plastic can be electrolytically plated. Conductivity is achieved commercially by the electroless method. The electrolytic plating process itself is basically the same as used with many metals. 2. APPLICATION This specification was released originally for chromium plated parts whi

    4、ch require improved thermocycle performance. 3. REQUIREMENTS (Injection molded specimens) 3.1 MOLDED MATERIAL 3.1.1 Tensile Strength at Yield, min 35 MPa (ASTM D 638) 3.1.2 Modulus of Elasticity, min 2.0 GPa (ASTM D 638) 3.1.3 Flexural Yield Strength, min 65 MPa (ASTM D 790) 3.1.4 Flexural Modulus,

    5、min 2.2 GPa (ASTM D 790) 3.1.5 Impact Strength, Izod, min 80 J/m (ASTM D 256), notched) 3.1.6 Deflection Temperature, C, min (ASTM D 648, unannealed specimens) At 455 kPa 93 At 1820 kPa 88 3.1.7 Specific Gravity 1.03 - 1.10 (ASTM D 793) ENGINEERING MATERIAL SPECIFICATION ESB-M4D241-B WP 3948-b Page

    6、2 of 3 3.1.8 Hardness, Rockwell “R“, min 90 (ASTM D 785, 12.7 mm specimen) 3.1.9 Ash, by Weight, max 4.0 % 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 s

    7、pectra and thermograms 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 conditions. 3.3 C

    8、ONDITIONING 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 testing and tested under the same conditions unless otherwise specified. 3.4 ADDITIONAL REQUIRE

    9、MENTS 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 these properties shall be clearly designated on the engineering drawing. 3.5 STATIST

    10、ICAL 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 process/product data so that variation in the final p

    11、roduct is continuously reduced. 3.6 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, composition, construction, color, processing o

    12、r 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 activity of the proposed changes and obtai

    13、n 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 document. The restrictions are defined in Eng

    14、ineering Material Specification WSS-M99P9999-A1. ENGINEERING MATERIAL SPECIFICATION ESB-M4D241-B WP 3948-b Page 3 of 3 4. APPROVAL OF MATERIALS Materials defined by this specification must have prior approval by the responsible Materials Engineering activity. Suppliers desiring approval of their mat

    15、erials shall first obtain an expression of interest from the affected Purchasing, Design and Materials Engineering activity. Upon request, the Supplier shall submit to the affected Materials Engineering activity a completed copy of their laboratory test reports, signed by a qualified and authorized

    16、representative of the test facility, demonstrating full compliance with all the requirements of this specification (test results, not nominal values), the material designation and code number, and test specimens for Ford evaluation. Fords engineering approval of a material will be based on its perfo

    17、rmance to this specification and on an assessment of suitability for intended processes and/or applications. Upon approval, the material will be added to the Engineering Material Approved Source List. 5. GENERAL INFORMATION The information below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 MOLD SHRINKAGE 0.006 - 0.008 mm/mm (ASTM D 955) 5.2 COEFFICIENT OF LINEAR THERMAL EXPANSION 8.6 X 1E-5/ C (ASTM D 695)


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