ASTM-B578 › Historical Revision Information
Standard Test Method for Microhardness of Electroplated Coatings
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This test method specifies the determination of the microhardness of metallic coatings upon various substrates (electroplated coatings). Measurements shall be made with the Knoop indenter under specified test loads, and the hardness shall be reported as a Knoop hardness number (HK).
Scope
1.1 This test method covers the determination of the hardness of metallic coatings upon various substrates. The measurements are made with the Knoop indenter under a test load of 0.245 N (25 gf) or 0.981 N (100 gf).
1.2 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.
To find similar documents by ASTM Volume:
02.05 (Metallic and Inorganic Coatings; Metal Powders and Metal Powder Products)
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Document Number
ASTM-B578-87(2015)
Revision Level
1987 R15 EDITION
Status
Superseded
Modification Type
Reapproval
Publication Date
April 1, 2015
Document Type
Test Method
Page Count
2 pages
Committee Number
B08.10