Investigation of duplex stainless steel UNS S31803 selective corrosion using the double-loop electrochemical potentiokinetic reactivation method;Investigação da corrosão seletiva do aço inoxidável dúplex UNS S31803 por meio de ensaios de reativação potenciocinética de ciclo duplo

58th Congresso Anual da ABM (ASSociacao Brasileira de Metalurgia e Materiais)

Volumn , Issue , 2003, Pages 527-536

  Chaves, Risoma ^a   Wolynec, Stephan ^a  

^a UNIVERSITY OF SÃO PAULO   (Brazil)

Author keywords

Duplex stainless steel; Potentiokinetic reactivation; Selective corrosion

Indexed keywords

ELECTROCHEMICAL CORROSION; PHASE TRANSITIONS; REACTION KINETICS; STEEL CORROSION;

DUPLEX STAINLESS STEEL; POTENTIOKINETIC REACTIVATION; SELECTIVE CORROSION;

STAINLESS STEEL;

EID: 1842473756     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (10)

1. BRANDI, S. D.; PADILHA, A. F. & WOLYNEC, S. Corrosion resistance of GTAW and EBW welded joints of DIN W. Nr. 1.4462 (UNS S31803): effect of post-weld-heat-treatment. In: SALAMA, M.M.; TOYODA, M.; LIU, S.; DOS SANTOS, J.F.; STACEY, A.; TUBBY, P. & PISARSKI, H. eds. OMAE 1996 - Offshore mechanics and Arctic engineering. Vol. III - Materials engineering. New York, ASME, 1996. p. 309-322.
2. ASTM A 262 - 90: Standard practices for detecting susceptibility to intergranular attack in austenitic stainless steels. In: 1991 Annual Book of ASTM Standards. Section 3: Metals Tests Methods and Analytical Procedures. Volume 03.02: Wear and Erosion; Metal Corrosion. Philadelphia, ASTM, 1991. p. 1-18.
3. ASTM G 108 - 94. Standard Test Method for Electrochemical Reactivation (EPR) for Detecting Sensitization of AISI Type 304 and 304L Stainless Steels. In: 7997 Annual Book of ASTM Standards. Section 3: Metals Tests Methods and Analytical Procedures. Volume 03.02: Wear and Erosion; Metal Corrosion. West Conshohocken, ASTM, 1997, p. 450-457.
4. GARZ, I.; SCHULTZE, S.; GÖLLNER, J. Investigation of sensitization behavior of duplex stainless steel by electrochemical potentioknetic reactivation (EPR). In: INTERNATIONAL Congress on Stainless Steels, 2., Düsseldof, Germany, Jun. 1996. Proceedings, p. 284-285.
5. th World Conference. The Netherlands-Maastrisht, 21-23. Oct. 1997. Book 2, p. 639-647.
6. GARZ, I.; SCHULTZE, S.; GÖLLNER, J. Investigation of intergranular corrosion of duplex stainless steels using thiocetamide as an activator for EPR-test. Materials and Corrosion, v. 48, n. 3, p. 165-170. 1997.
7. LOPEZ, N.; CID, M.; PUIGGALI, M.; AZKARATE, I.; PELAYO, A. Application of double loop eletrochemical potentiodynamic reactivation test to austenitic and duplex stainless steels, Materials Science and Engineering, v. A 229, p. 123-128, 1997.
8. LOPEZ, N.; CID, M. PUIGGALI, M. Influence of σ-phase on mechanical properties and corrosion resistance of duplex stainless steels. Corrosion Science, v. 41, p. 1615-1631, 1999.
9. ASTM E 562 - 89: Standard test method for determining volume fraction by systematic manual point count. In: 1991 Annual Book of ASTM Standards. Section 3: Metals Tests Methods and Analytical Procedures. Volume 03.01: Metals - Mechanical Testing; Elevated and Low-Temperature Tests; Metallography. Philadelphia, ASTM, 1991. p. 589-594.
10. GOODWIN, S.J.; QUAYLE, B.; NOBLE, F.W. Polarization behavior of austenitic and duplex stainless steels in the double loop reactivation test. Corrosion, v. 43, n. 12, p. 743-746, 1987.