ASTM International - ASTM B578-87(1999)
Standard Test Method for Microhardness of Electroplated Coatings
|Publication Date:||10 March 1999|
|ICS Code (Metallic coatings):||25.220.40|
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).