NICKEL ON BRASS AND POROSITY
We are looking for a test that will allow us to determine the porosity of the nickel layer on the brass substrate. Can you give us some direction?
Share
Q. Our company plates nickel on brass. We are looking for a test that will allow us to determine the porosity of the nickel layer on the brass substrate. Can you give us some direction? L.J.
A. Yes, there’s a standardized test procedure for determining the porosity of plated layers over copper and copper alloys. The test involves suspending specimens to be tested over powdered sulfur at controlled humidity and temperature. The formation of black or brown spots is an indication of porosity. The details of this test procedure can be found in ASTM B 809-95(2008) from ASTM International.
RELATED CONTENT
-
Copper Plating on Aluminum and Aluminum Alloys
How can I plate copper on aluminum?
-
Blackening of Ferrous Metals
The reasons for installing an in-house cold blackening system are many and varied.
-
Stripping of Plated Finishes
The processes, chemicals and equipment, plus control and troubleshooting.
