An investigation on galvanic corrosion in frictionstir-welded AA 5083 aluminum alloy
Eduardo Antunes Duda, Sabrina da Silva Soares, Diogo Trento Buzzatti, Guilherme Vieira Braga Lemos, Tárique Hernandez Schneider, Henrique Ribeiro Piaggio Cardoso, Tiago Falcade, Afonso Reguly
Resumo
Friction-stir welding (FSW) is a well-known solid-state technology for manufacturing high-quality aluminum welds. However, corrosion may become an issue due to the changes in the microstructure within the stir zone, perhaps creating a local galvanic couple. In this work, AA 5083-O aluminum plates were joined by FSW, and corrosion analyzes were undertaken. Therefore, corrosion behavior was investigated using an immersion test, open circuit potential (OCP), and zeroresistance ammeter (ZRA) measurements. The stirred material was found to be more resistant to pitting nucleation than the AA5083-O alloy base material on immersion test and OCP analyzes. Nevertheless, deeper pits were more significant in the stirred material. The ZRA test showed similar results for both regions, indicating this system’s low galvanic couple effect.
Palavras-chave
Referências
1 Tronci A, McKenzie R, Leal RM, Rodrigues DM. Microstructural and mechanical characterisation of 5XXX-H111 friction stir welded tailored blanks. Science and Technology of Welding and Joining. 2011;16(5):433-439.
2 Thakur R, Bajwa PS. Friction stir welding of 5xxx series aluminium alloys : a literature survey. International Journal of Scientific Research in Science, Engineering and Technology. 2016;2(2):1129-1131.
3 Mishra RS, Ma ZY. Friction stir welding and processing. Materials Science and Engineering R Reports. 2005;50(1–2):1-78.
4 Çam G. Friction stir welded structural materials: beyond Al-alloys. International Materials Reviews. 2011;56(1):1-48.
5 Hori H, Hino H. Application of friction stir welding to the car body. Welding International. 2003;17(4):287-292.
6 Stephan W, Kallee, EDN, Burling PM. Application of friction stir welding for the manufacture of aluminium ferries. In: 4th International Forum on Aluminium Ships. New Orleans: NIES; 2000.
7 Li Y, Trillo EA, Murr LE. Friction-stir welding of aluminum alloy 2024 to silver. Journal of Materials Science Letters. 2000;19(12):1047-1051.
8 Mishra RS, Rani P. Experimental investigation of joining of aluminum alloy 5083 by friction stir welding (FSW). IJREI. 2019;3(5):306-309.
9 Klobčar D, Kosec L, Pietras A, Smolej A. Friction-stir welding of aluminium alloy 5083. Materials Technology. 2012;46(5):483-488.
10 Rao D, Huber K, Heerens J, dos Santos JF, Huber N. Asymmetric mechanical properties and tensile behaviour prediction of aluminium alloy 5083 friction stir welding joints. Materials Science and Engineering A. 2013;565:44-50.
11 Prabha KA, Putha PK, Prasad BS. Effect of tool rotational speed on mechanical properties of aluminium alloy 5083 weldments in friction stir welding. Materials Today: Proceedings. 2018;5(9):18535-18543.
12 Hirata T, Oguri T, Hagino H, Tanaka T, Chung SW, Takigawa Y, et al. Influence of friction stir welding parameters on grain size and formability in 5083 aluminum alloy. Materials Science and Engineering A. 2007;456(1–2):344-349.
13 Szklarska-Smialowska Z. Pitting corrosion of aluminum. Corrosion Science. 1999;41(9):1743-1767.
14 Aballe A, Bethencourt M, Botana FJ, Cano MJ, Marcos M. Influence of the cathodic intermetallics distribution on the reproducibility of the electrochemical measurements on AA5083 alloy in NaCl solutions. Corrosion Science. 2003;45(1):161-180.
15 Segaetsho MOM, Msomi V, Moni V. Corrosion behaviour of friction stir welded dissimilar joints produced from AA5083 and other alloys of aluminium: a critical review. Materials Today: Proceedings. 2022;56:1696-1701.
16 Brum N, Amavisca C, Schroeder JG, Buzzatti J, Lemos GVB, Tolotti D, et al. Influence of process parameters on mechanical properties of friction stir welded 5083-O aluminum alloy. Tecnologica em Metalurgia, Materiais e Mineração. 2021;18:e2450.
17 Kartsonakis IA, Dragatogiannis DA, Koumoulos EP, Karantonis A, Charitidis CA. Corrosion behaviour of dissimilar friction stir welded aluminium alloys reinforced with nanoadditives. Materials & Design. 2016;102:56-67.
18 ASTM G01 Committee. ASTM G46: guide for examination and evaluation of pitting corrosion. USA: ASTM International; 2005 [cited 2022 June 20]. Available at: http://www.astm.org/cgi-bin/resolver.cgi?G46-94R18
19 ASTM G01 Committee. ASTM G44: standard practice for exposure of metals and alloys by alternate immersion in neutral 3.5% sodium chloride solution. USA: ASTM International; 2021.
20 Inzelt G, Lewenstam A, Scholz F. Handbook of reference electrodes. Dordrecht: Springer; 2013.
21 Smith TJ, Stevenson KJ. Reference electrodes. In: Zoski CG, editor. Handbook of electrochemistry. Amsterdam: Elsevier; 2007 [cited 2022 June 20]. p. 73–110. Available at: https://www.sciencedirect.com/science/article/pii/B9780444519580500057
22 Espallargas N, Johnsen R, Torres C, Muñoz AI. A new experimental technique for quantifying the galvanic coupling effects on stainless steel during tribocorrosion under equilibrium conditions. Wear. 2013;307(1–2):190-197.
23 ASTM G01 Committee. ASTM G71: guide for conducting and evaluating galvanic corrosion tests in electrolytes. USA: ASTM International; 2014 [cited 2022 June 20]. Available at: http://www.astm.org/cgi-bin/resolver.cgi?G71-81R14
24 Metrohm. NOVA User Manual. Netherlands: Metrohm; 2017.
25 Hack HP. Galvanic corrosion. Philadelphia, PA: ASTM; 1988. 358 p.
26 Zaid B, Saidi D, Benzaid A, Hadji S. Effects of pH and chloride concentration on pitting corrosion of AA6061 aluminum alloy. Corrosion Science. 2008;50(7):1841-1847.
27 El-Dahshan ME, Shams El Din AM, Haggag HH. Galvanic corrosion in the systems titanium/316 L stainless steel/Al brass in Arabian Gulf water. Desalination. 2002;142(2):161-169.
28 Tomcsányi L, Varga K, Bartik I, Horányi H, Maleczki E. Electrochemical study of the pitting corrosion of aluminium and its alloys—II. Study of the interaction of chloride ions with a passive film on aluminium and initiation of pitting corrosion. Electrochimica Acta. 1989;34(6):855-859.
29 Moreto JA, Marino CEB, Bose Filho WW, Rocha LA, Fernandes JCS. SVET, SKP and EIS study of the corrosion behaviour of high strength Al and Al–Li alloys used in aircraft fabrication. Corrosion Science. 2014;84:30-41.
30 Liu J, Han E, Song Y, Shan D. Effect of twins on the corrosion behavior of Mg–5Y–7Gd–1Nd–0.5Zr Mg alloy. Journal of Alloys and Compounds. 2018;757:356-363.
Facebook
Google+
Twitter
LinkedIn
Mendeley
StumbleUpon
CiteULike
Reddit
Email