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).
| ASTM International | |
|---|---|
| Product Category | Standards and Technical Documents |
| Product Number | ASTM B578-21 |
| Product Name | Standard Test Method for Microindentation Hardness of Electroplated Coatings |