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ASTM B984-12

Standard Specification for Electrodeposited Coatings of Palladium- Cobalt Alloy for Engineering Use

Automaticky přeložený název:

Standard Specification pro elektrolyticky vyloučené povlaky Palladium- kobaltu slitiny pro strojírenství použití

NORMA vydána dne 1.5.2012

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Dostupnost	SKLADEM
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1 761.10 Kč

Informace o normě:

Označení normy: ASTM B984-12
Poznámka: NEPLATNÁ
Datum vydání normy: 1.5.2012
Kód zboží: NS-8988
Počet stran: 7
Přibližná hmotnost: 21 g (0.05 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM

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Anotace textu normy ASTM B984-12 :

Keywords:
connectors, contacts, electrical connectors, electrical contacts, engineering coatings, palladium, palladium-cobalt coatings, palladium-cobalt electrodeposits, palladium-cobalt plating, ICS Number Code 25.220.40 (Metallic coatings)

Doplňující informace

1. Scope

1.1 This specification covers requirements for electrodeposited palladium-cobalt alloy coatings containing approximately 80% of palladium and 20% of cobalt. Composite coatings consisting of palladium-cobalt with a thin gold overplate for applications involving electrical contacts are also covered. Palladium and palladium-cobalt remain competitive finishes for high reliability applications.

1.2 Properties—Palladium is the lightest and least noble of the platinum group metals (1)

Approximate Hardness (HK₂₅)

Gold

50–250

Palladium

75–600

Platinum

150–550

Palladium-Nickel

300–650

Palladium-Cobalt

500–650

Rhodium

750–1100

Ruthenium

600–1300

1.3 Units—The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Some specific hazards statements are given in Section 7 on Hazards.

2. Referenced Documents

B481-68(2019)	Standard Practice for Preparation of Titanium and Titanium Alloys for Electroplating
B558-79(2019)	Standard Practice for Preparation of Nickel Alloys for Electroplating
B487-20	Standard Test Method for Measurement of Metal and Oxide Coating Thickness by Microscopical Examination of Cross Section
B488-18	Standard Specification for Electrodeposited Coatings of Gold for Engineering Uses
B489-85(2023)	Standard Practice for Bend Test for Ductility of Electrodeposited and Autocatalytically Deposited Metal Coatings on Metals
B499-09(2021)e1	Standard Test Method for Measurement of Coating Thicknesses by the Magnetic Method: Nonmagnetic Coatings on Magnetic Basis Metals (Includes all amendments and changes 5/18/2021).
B507-14(2021)	Standard Practice for Design of Articles to Be Electroplated on Racks
B542-13(2019)	Standard Terminology Relating to Electrical Contacts and Their Use
B568-98(2021)	Standard Test Method for Measurement of Coating Thickness by X-Ray Spectrometry
B571-23	Standard Practice for Qualitative Adhesion Testing of Metallic Coatings
B602-21	Standard Guide for Attribute Sampling of Metallic and Inorganic Coatings
B679-98(2021)	Standard Specification for Electrodeposited Coatings of Palladium for Engineering Use
B689-97(2023)	Standard Specification for Electroplated Engineering Nickel Coatings
B697-88(2021)	Standard Guide for Selection of Sampling Plans for Inspection of Electrodeposited Metallic and Inorganic Coatings
B741-95(2000)	Standard Test Method for Porosity In Gold Coatings On Metal Substrates By Paper Electrography (Withdrawn 2005)
B748-90(2021)	Standard Test Method for Measurement of Thickness of Metallic Coatings by Measurement of Cross Section with a Scanning Electron Microscope
B762-21	Standard Guide of Variables Sampling of Metallic and Inorganic Coatings
B567-98(2021)	Standard Test Method for Measurement of Coating Thickness by the Beta Backscatter Method
B765-03(2023)	Standard Guide for Selection of Porosity and Gross Defect Tests for Electrodeposits and Related Metallic Coatings
B799-95(2020)	Standard Test Method for Porosity in Gold and Palladium Coatings by Sulfurous Acid/Sulfur-Dioxide Vapor
B809-95(2018)	Standard Test Method for Porosity in Metallic Coatings by Humid Sulfur Vapor (“Flowers-of-Sulfur”)
D1125-23	Standard Test Methods for Electrical Conductivity and Resistivity of Water
D3951-18(2023)	Standard Practice for Commercial Packaging
E112-13(2021)	Standard Test Methods for Determining Average Grain Size
E18-22	Standard Test Methods for Rockwell Hardness of Metallic Materials
B281-88(2019)e1	Standard Practice for Preparation of Copper and Copper-Base Alloys for Electroplating and Conversion Coatings (Includes all amendments and changes 5/14/2019).
B322-99(2020)e1	Standard Guide for Cleaning Metals Prior to Electroplating (Includes all amendments and changes 12/7/2020).
B343-92a(2020)	Standard Practice for Preparation of Nickel for Electroplating with Nickel (Includes all amendments and changes 12/4/2020).
B374-21	Standard Terminology Relating to Electroplating
B183-18(2022)	Standard Practice for Preparation of Low-Carbon Steel for Electroplating
B242-99(2020)	Standard Guide for Preparation of High-Carbon Steel for Electroplating
B254-92(2020)e1	Standard Practice for Preparation of and Electroplating on Stainless Steel (Includes all amendments and changes 12/7/2020).
B482-85(2019)	Standard Practice for Preparation of Tungsten and Tungsten Alloys for Electroplating