Effect of Cooling Rate on the Corrosion Behavior of As-Cast SAF 2205 Duplex Stainless Steel After Solution Annealing Treatment
The formation of intermetallic phases alters the properties of duplex stainless steel and is therefore a crucial factor in its performance. For example, the formation of sigma phase in duplex steel increases its brittleness and decreases its corrosion resistance because this phase consumes chromium...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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Associação Brasileira de Metalurgia e Materiais (ABM); Associação Brasileira de Cerâmica (ABC); Associação Brasileira de Polímeros (ABPol)
2015-10-01
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| Series: | Materials Research |
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| Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392015000800138&tlng=en |
| _version_ | 1798020573766352896 |
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| author | Maria Eurenice Rocha Cronemberger Sandra Nakamatsu Carlos Alberto Della Rovere Sebastião Elias Kuri Neide Aparecida Mariano |
| author_facet | Maria Eurenice Rocha Cronemberger Sandra Nakamatsu Carlos Alberto Della Rovere Sebastião Elias Kuri Neide Aparecida Mariano |
| author_sort | Maria Eurenice Rocha Cronemberger |
| collection | DOAJ |
| description | The formation of intermetallic phases alters the properties of duplex stainless steel and is therefore a crucial factor in its performance. For example, the formation of sigma phase in duplex steel increases its brittleness and decreases its corrosion resistance because this phase consumes chromium and molybdenum in solid solution, thus leading to the depletion of these elements in the matrix. This study investigated the corrosion resistance of as-cast SAF 2205 duplex stainless steel after solution annealing treatment at 1100 °C for 240 minutes, under varying cooling rates. The objective was to evaluate the correlation between cooling condition, microstructural changes and corrosion resistance based on cyclic potentiodynamic polarization and double loop electrochemical potentiokinetic reactivation (DL-EPR) measurements. The results revealed a significant reduction in the corrosion resistance of a slowly cooled sample, which presented an increase in the degree of Cr (Qr / Qa) depletion resulting from the formation of sigma phase. |
| first_indexed | 2024-04-11T16:59:45Z |
| format | Article |
| id | doaj.art-08f532fa676b4044b4279fc86f380015 |
| institution | Directory Open Access Journal |
| issn | 1516-1439 |
| language | English |
| last_indexed | 2024-04-11T16:59:45Z |
| publishDate | 2015-10-01 |
| publisher | Associação Brasileira de Metalurgia e Materiais (ABM); Associação Brasileira de Cerâmica (ABC); Associação Brasileira de Polímeros (ABPol) |
| record_format | Article |
| series | Materials Research |
| spelling | doaj.art-08f532fa676b4044b4279fc86f3800152022-12-22T04:13:11ZengAssociação Brasileira de Metalurgia e Materiais (ABM); Associação Brasileira de Cerâmica (ABC); Associação Brasileira de Polímeros (ABPol)Materials Research1516-14392015-10-0118suppl 213814210.1590/1516-1439.352114Effect of Cooling Rate on the Corrosion Behavior of As-Cast SAF 2205 Duplex Stainless Steel After Solution Annealing TreatmentMaria Eurenice Rocha CronembergerSandra NakamatsuCarlos Alberto Della RovereSebastião Elias KuriNeide Aparecida MarianoThe formation of intermetallic phases alters the properties of duplex stainless steel and is therefore a crucial factor in its performance. For example, the formation of sigma phase in duplex steel increases its brittleness and decreases its corrosion resistance because this phase consumes chromium and molybdenum in solid solution, thus leading to the depletion of these elements in the matrix. This study investigated the corrosion resistance of as-cast SAF 2205 duplex stainless steel after solution annealing treatment at 1100 °C for 240 minutes, under varying cooling rates. The objective was to evaluate the correlation between cooling condition, microstructural changes and corrosion resistance based on cyclic potentiodynamic polarization and double loop electrochemical potentiokinetic reactivation (DL-EPR) measurements. The results revealed a significant reduction in the corrosion resistance of a slowly cooled sample, which presented an increase in the degree of Cr (Qr / Qa) depletion resulting from the formation of sigma phase.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392015000800138&tlng=enduplex stainless steelcorrosionsolution annealingcooling conditions |
| spellingShingle | Maria Eurenice Rocha Cronemberger Sandra Nakamatsu Carlos Alberto Della Rovere Sebastião Elias Kuri Neide Aparecida Mariano Effect of Cooling Rate on the Corrosion Behavior of As-Cast SAF 2205 Duplex Stainless Steel After Solution Annealing Treatment Materials Research duplex stainless steel corrosion solution annealing cooling conditions |
| title | Effect of Cooling Rate on the Corrosion Behavior of As-Cast SAF 2205 Duplex Stainless Steel After Solution Annealing Treatment |
| title_full | Effect of Cooling Rate on the Corrosion Behavior of As-Cast SAF 2205 Duplex Stainless Steel After Solution Annealing Treatment |
| title_fullStr | Effect of Cooling Rate on the Corrosion Behavior of As-Cast SAF 2205 Duplex Stainless Steel After Solution Annealing Treatment |
| title_full_unstemmed | Effect of Cooling Rate on the Corrosion Behavior of As-Cast SAF 2205 Duplex Stainless Steel After Solution Annealing Treatment |
| title_short | Effect of Cooling Rate on the Corrosion Behavior of As-Cast SAF 2205 Duplex Stainless Steel After Solution Annealing Treatment |
| title_sort | effect of cooling rate on the corrosion behavior of as cast saf 2205 duplex stainless steel after solution annealing treatment |
| topic | duplex stainless steel corrosion solution annealing cooling conditions |
| url | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392015000800138&tlng=en |
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