Research Article
Determination of Susceptibility to Intergranular Corrosion of UNS 31803 Type Duplex Stainless Steel by Electrochemical Reactivation Method
Table 5
DLEPR Test results of 2205 type duplex stainless steel.
| Temperature (°C) | Time (min) | Activation peak potential, (mV) | Activation peak current density, (mA/cm2) | Reactivation peak potential, (mV) | Reactivation peak current density, (mA/cm2) | Passivation current density, (mA/cm2) | DOS |
| Solution annealed at 1050°C, 1 hr | | −212.78 | 23.1304849 | −267.33 | 0.0063918 | 0.001448 | 0.027634 |
| Solution annealed at 1050°C, 1 hr + aged at 725°C | 100 | −178.33 | 29.2261754 | −196.13 | 1.6857088 | 0.033688 | 5.767805 | 316 | −185.25 | 26.5737074 | −189.43 | 1.7231466 | 0.037542 | 6.484404 | 1000 | −172.22 | 42.2727750 | −177.35 | 22.5825614 | 0.052615 | 53.421053 | 3162 | −199.68 | 54.2137581 | −195.70 | 50.5214698 | 0.062409 | 93.189389 | 10000 | −183.47 | 55.7856777 | −191.11 | 50.4425582 | 0.057675 | 90.422059 | 31622 | −147.94 | 69.6430296 | −160.30 | 64.3463484 | 0.059391 | 92.394528 |
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