Chronoamperometric Evaluation of Sensitization of SUS 316 Stainless Steel
| Autor: | Tetsuo Inoue, Ryoichi Ichino, Yoshihiko Kunieda, Hideyuki Kanematsu, Takeo Oki, Kazumi Murakami |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 1998 |
| Předmět: |
Technology
Materials science Chemicals: Manufacture use etc TP1-1185 engineering.material Electrochemistry Cathodic protection Solution of Schrödinger equation for a step potential chemistry.chemical_compound Potassium thiocyanate medicine General Materials Science Physical and Theoretical Chemistry Austenitic stainless steel Sensitization Chemical technology Metallurgy TP200-248 Condensed Matter Physics Anode medicine.anatomical_structure chemistry Mechanics of Materials engineering Cyclic voltammetry Nuclear chemistry |
| Zdroj: | High Temperature Materials and Processes, Vol 17, Iss 4, Pp 223-230 (1998) |
| ISSN: | 2191-0324 0334-6455 |
| Popis: | The extent of sensitization of austenitic stainless steel, SUS316, was evaluated by both conventional cyclic voltammetry and potential step chrono-amperometry (PSCA). The test solution used for the test was 0.5kmol-m -3 H 2 SO 4 - 0.01kmol-m -3 potassium thiocyanate solution. First, the ratio of peak currents in cathodic and anodic scanning (reactivation ratio) using the Electrochemical Potentiokinetic Reactivation method (EPR) based on conventional cyclic voltammetry was measured. Second, the modification reactivation ratio by PSCA was measured and both data were compared and discussed to determine the extent of sensitization. The modified reactivation ratio had a better correlation with sensitization time than the conventional reactivation ratio. However, the correlation ratio was not so high as a whole for SUS316, The reason for this could be attributable to the complication involved in the anodic reaction. |
| Databáze: | OpenAIRE |
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