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本文(FORD WSS-M1P85-B3-2011 PLATING ELECTROLYTIC ZINC 8 MICROMETERS THICK FILM PASSIVATE TO BE USED WITH FORD WSS-M99P1111-A 《8 μm薄膜钝化电解锌镀层 与福特WSS-M99P1111-A 一起使用 在福特WSS-M1P85-B1中显示.pdf)为本站会员(confusegate185)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

FORD WSS-M1P85-B3-2011 PLATING ELECTROLYTIC ZINC 8 MICROMETERS THICK FILM PASSIVATE TO BE USED WITH FORD WSS-M99P1111-A 《8 μm薄膜钝化电解锌镀层 与福特WSS-M99P1111-A 一起使用 在福特WSS-M1P85-B1中显示.pdf

1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev 00 2011 08 03 Activated Replaces WSD-M1P85-A1/2/3 G. Weber, FNA Controlled document at www.MATS Copyright 2011, Ford Global Technologies, LLC Page 1 of 4 PLATING, ELECTROLYTIC ZINC, 5 MICROMETERS, THIN FILM PASSIVATE WSS-M1P85-B1 PLATING,

2、 ELECTROLYTIC ZINC, 8 MICROMETERS, THIN FILM PASSIVATE WSS-M1P85-B2 PLATING, ELECTROLYTIC ZINC, 8 MICROMETERS, THICK FILM PASSIVATE WSS-M1P85-B3 PLATING, ELECTROLYTIC ZINC, 8 MICROMETERS, THIN FILM PASSIVATE, SEALED WSS-M1P85-B4 PLATING, ELECTROLYTIC ZINC, 8 MICROMETERS, THICK FILM PASSIVATE, SEALED

3、 WSS-M1P85-B5 1. SCOPE These specifications define performance requirements for passivated, electrolytically plated zinc coatings on ferrous parts (stampings, forgings, castings, etc.), and on threaded fasteners where friction control is not required. 2. APPLICATION These specifications were origina

4、lly released to define performance requirements for electrolytically plated zinc coatings where corrosion protection and/or decorative appearance of ferrous surfaces is required. Parts may be rack or barrel plated, and the plating bath chemistry is not specified. A supplementary passivation treatmen

5、t, either trivalent chromium or chromium-free, shall be applied to zinc plated parts to retard the formation of white corrosion products. A thin film passivate will preserve the silver color of the plating or impart a slight blue tint. Thick film passivates give the plating an iridescent or colored

6、appearance. Sealers are applied to extend the corrosion protection of the plated part. They can be organically or inorganically based, or a mixture of organic and inorganic components. Inorganic sealers will generally resist heat and degradation due to automotive fluids better than organic sealers.

7、WSS-M1P85-B1 is suitable for use on non-visible fasteners. WSS-M1P85-B2 and B3 are suitable for non-visible interior applications, or where parts will subsequently be painted. WSS-M1P85-B4 and B5 are suitable for non-visible exterior or non-visible underhood applications. 3. REQUIREMENTS 3.0 STANDAR

8、D REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.1 THICKNESS (ASTM B 659 / ASTM B 487) WSS-M1P85-B1 5 11 micrometers WSS-M1P85-B2/B3/B4/B5 8 14 micrometers The thickness of th

9、e electroplated zinc layer shall meet the requirements stated above on all significant surfaces (as defined in section 4.1) unless otherwise specified on the Engineering Drawing. In case of dispute, the thickness measurement umpire method shall be metallographic sectioning per ASTM B 487. ENGINEERIN

10、G MATERIAL SPECIFICATION WSS-M1P85-B1/B5 Controlled document at www.MATS Copyright 2011, Ford Global Technologies, LLC Page 2 of 4 The passivate and sealant layers are not subject to measurement, but shall be sufficient to meet the Appearance and Laboratory Accelerated Corrosion Test requirements. 3

11、.2 APPEARANCE WSS-M1P85-B1, -B2 and -B4: Parts naturally have a silver or silver-blue appearance. When dyes are used to produce other colors, the color shall be stated on the Engineering Drawing. WSS-M1P85-B3 and -B5: Parts naturally show a slight iridescence. When dyes are used to produce other col

12、ors, the color shall be stated on the Engineering Drawing. 3.3 PLATING ADHESION (ASTM B 571) The coating shall withstand normal handling, storage, and installation without flaking or peeling or other loss of adhesion. Electroplate adhesion to the base metal shall conform to the requirements of one o

13、f the following test methods per ASTM B 571 unless otherwise indicated on the Engineering Drawing. 3.3.1 Grind-Saw Test No lifting or peeling of the electroplate from the substrate is permitted following the grind-saw test. 3.3.2 Burnishing Test No blistering, lifting, or peeling of the electroplate

14、 from the substrate is permitted following the burnishing test. 3.4 LABORATORY ACCELERATED CYCLIC CORROSION TESTING (CETP 00.00-L-467) Non-Ferrous Corrosion Ferrous Corrosion WSS-M1P85-B1 0 Weeks 1 Week WSS-M1P85-B2 & B3 0 Weeks 2 Weeks WSS-M1P85-B4 & B5 1 Weeks 3 Weeks Test samples shall have no vi

15、sible non-ferrous corrosion at the beginning of testing. Evidence of ferrous corrosion products in excess of ASTM D 610 grade 6 (1%), on significant surfaces at the specified test interval, constitutes a failure. Evaluation shall be done without magnification at a normal reading distance. 3.5 SEALER

16、S (WSS-M1P85-B4 & -B5 ONLY) When a sealer is applied to the passivated zinc electroplate, the type of sealer (organic, inorganic or mixed organic-inorganic) shall be stated on the Engineering Drawing along with the appropriate specification. The sealant supplier name and product name should be inclu

17、ded if known. Example: Electroplated Zinc, WSS-M1P85-B4, inorganic sealer 3.6 EMBRITTLEMENT Parts plated to this specification shall be free from the detrimental effects of hydrogen embrittlement or other factors which result in part brittleness. All parts shall meet the requirements of WSS-M99A3-A.

18、 ENGINEERING MATERIAL SPECIFICATION WSS-M1P85-B1/B5 Controlled document at www.MATS Copyright 2011, Ford Global Technologies, LLC Page 3 of 4 3.7 PROCESS CONTROL ITEMS 3.7.1 Neutral Salt Spray Corrosion Testing (ASTM B 117) Neutral salt spray (NSS) testing is not acceptable in showing initial confor

19、mance to this specification. However, NSS testing is often used as a process control tool by plating applicators, and as such shall form part of the Control Plan. Non-Ferrous Corrosion Ferrous Corrosion WSS-M1P85-B1 24 hours 72 hours WSS-M1P85-B2 & B3 48 hours 96 hours WSS-M1P85-B4 & B5 96 hours 360

20、 hours 3.7.2 Plating Adhesion Heat Quench Test Heat quench testing may be used for process control but not for initial qualification to this standard. Heat plated parts to 220 +/- 5C for 30 +/- 5 minutes, then quench in room temperature water. No blistering or peeling of the electroplate from the su

21、bstrate is permitted. 4. GENERAL INFORMATION This information given below is provided for clarification and assistance in meeting the requirements of this specification. Contact for questions concerning Engineering Material Specifications. 4.1 SIGNIFICANT SURFACES Significant surfaces should be not

22、ed on the Engineering Drawing. If not noted there, significant surfaces are generically defined as those surfaces of the finished part that: Are directly visible when the finished part is assembled in position. Can be a source of corrosion products directly visible, visible by reflection, or visible

23、 when they run down the part or onto other parts. Can affect fit or function of the part. Note: Small areas of ferrous corrosion may be allowed on sharp edges, corners, and recesses due to reduced coverage of the electroplating. Recesses are generally defined as areas unreachable by a 13 mm (0.5 inc

24、h) diameter sphere. 4.2 WORLDWIDE FASTENER FINISHES When used for Worldwide Standard Parts, the Worldwide Fastener Finish suffix for WSS-M1P85-B1 is S434. 4.3 RECOMMENDED TESTING REQUIREMENTS FOR DESIGN VALIDATION, PRODUCTION VALIDATION, AND SREA. Coating performance is a function of material select

25、ion, surface preparation, and coating application. For established coatings and coating lines, this may permit a reduced test schedule to validate compliance to this specification. Use Table 1 below to determine the recommend test plan depending on the situation. This specification cannot prove out

26、parts or coatings that involve changes in vehicle environment such as increased stone chipping or increased temperature. These changes may require vehicle testing, consult SDS/ARL requirements. ENGINEERING MATERIAL SPECIFICATION WSS-M1P85-B1/B5 Controlled document at www.MATS Copyright 2011, Ford Gl

27、obal Technologies, LLC Page 4 of 4 TABLE 1 RECOMMENDED TESTING REQUIREMENTS New Plating System Established Plating System All Applicators New Applicator (No Ford History) Existing Applicator (Plating other Ford Parts) Test Requirement All Parts Existing Part New Part for a Different Application Swit

28、ching Known Systems on Existing Part New Part/Same System Process Change Example A Example B Example C Example D Example E Example F 3.1 Thickness X X X X X 3.3 Adhesion X X X X X 3.4 Laboratory Accelerated Cyclic Corrosion X X X1 X1 X1 Contact Materials Engineering 1 Potential use of surrogate data

29、 Example A: A new plating system is developed by a finish supplier for automotive applications. Example B: Applicator goes out of business. New applicator uses the same plating system, but it has never plated parts for Ford. Example C: Applicator is asked to plate parts for a different Tier 1 part s

30、upplier. Example D: Tier 1 part supplier changes among plating systems. Both systems are widely used at Ford. Example E: Applicator is plating the first run of PPAP parts for new model program on the plating line that supports current model. Example F: The level of testing is highly dependant on what is changing. Contact Fastener and/or Materials Engineering.

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