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ASTM International - ASTM B867-95(2003)

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

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Organization: ASTM International
Publication Date: 10 February 2003
Status: inactive
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).

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

Approximate Hardness (HK

25)

Gold 50-250
Palladium75-600
Platinum150-550
Palladium-Nickel300-650
Rhodium 750-1100
Ruthenium600-1300

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

Document History

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...
ASTM B867-95(2003)
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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