Historical

ASTM B578-87(1999)

Standard Test Method for Microhardness of Electroplated Coatings

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).

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ASTM International [astm]

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