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ASTM International - ASTM B867-95(2018)

Standard Specification for Electrodeposited Coatings of Palladium-Nickel for Engineering Use

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Organization: ASTM International
Publication Date: 1 June 2018
Status: active
Page Count: 10
ICS Code (Metallic coatings): 25.220.40
scope:

1.1 Composition-This specification covers requirements for electrodeposited palladium-nickel coatings containing between 70 and 95 mass % of palladium metal. Composite coatings consisting of palladium-nickel and a thin gold overplate for applications involving electrical contacts are also covered.

1.2 Properties-Palladium is the lightest and least noble of the platinum group metals. Palladium-nickel is a solid solution alloy of palladium and nickel. Electroplated palladium-nickel alloys have a density between 10 and 11.5, which is substantially less than electroplated gold (17.0 to 19.3) and comparable to electroplated pure palladium (10.5 to 11.8). This yields a greater volume or thickness of coating per unit mass and, consequently, some saving of metal weight. The hardness range of electrodeposited palladium-nickel compares favorably with electroplated noble metals and their alloys (1, 2).2

Note 1: Electroplated deposits generally have a lower density than their wrought metal counterparts.

Approximate Hardness (HK

25)

Gold  50-250
Palladium  75-600
Platinum 150-550
Palladium-Nickel 300-650
Rhodium 750-1100
Ruthenium 600-1300

1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

abstract:

This specification establishes the requirements for electrodeposited palladium-nickel (Pd-Ni) coatings for engineering applications. Composite coatings consisting of palladium-nickel and a thin... View More

Document History

ASTM B867-95(2018)
June 1, 2018
Standard Specification for Electrodeposited Coatings of Palladium-Nickel for Engineering Use
1.1 Composition—This specification covers requirements for electrodeposited palladium-nickel coatings containing between 70 and 95 mass % of palladium metal. Composite coatings consisting of...
December 1, 2013
Standard Specification for Electrodeposited Coatings of Palladium-Nickel for Engineering Use
1.1 Composition—This specification covers requirements for electrodeposited palladium-nickel coatings containing between 70 and 95 mass % of palladium metal. Composite coatings consisting of...
August 1, 2008
Standard Specification for Electrodeposited Coatings of Palladium-Nickel for Engineering Use
1.1 Composition—This specification covers requirements for electrodeposited palladium-nickel coatings containing between 70 and 95 mass % of palladium metal. Composite coatings consisting of...
February 10, 2003
Standard Specification for Electrodeposited Coatings of Palladium-Nickel for Engineering Use
1.1 Composition—This specification covers requirements for electrodeposited palladium-nickel coatings containing between 70 and 95 mass % of palladium metal. Composite coatings consisting of...
January 1, 1995
Standard Specification for Electrodeposited Coatings of Palladium-Nickel for Engineering Use
1.1 Composition -This specification covers requirements for electrodeposited palladium-nickel coatings containing between 70 and 95 mass % of palladium metal. Composite coatings consisting of...
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