Table 3 Electrochemical characteristics of the steel 45 in 3 % aqueous solution of NaCl after MPT with different coolants
From: Formation of Surface Corrosion-Resistant Nanocrystalline Structures on Steel
Type of coolant | Corrosion potential, −Е, mV | Corrosion current density i cor · 104, А/сm2 |
|---|---|---|
Untreated | 535 | 0.54 |
Carbon | 470 | 0.50 |
Silicon | 525 | 0.46 |
Nitrogen | 512 | 0.38 |