1.1 This test standard covers equipment and methods for using phosphomolybdic acid (PMA) to detect gross defects and mechanical damage including wear through in metallic coatings of gold, silver, or palladium. These metals comprise the topmost metallic layers over substrates of nickel, copper, or copper alloys.
Product Details
- Published:
- 08/01/2018
- Number of Pages:
- 5
- File Size:
- 1 file , 95 KB
