High-Temperature Oxidation of the 304/6061 Welding–Brazing Joint and Its Effects on Corrosion Characteristics
Source abstract
Abstract
Laser–MIG hybrid welding–brazing was used to weld 304 stainless steel and 6061-T6 aluminum alloy with a thickness of 2 mm. The microstructure, morphology, chemical composition and corrosion behavior of the samples after high-temperature oxidation were investigated. The results reveal that the 304/6061 dissimilar joint had a thicker intermetallic compound layer (7–8 μm) during high-temperature oxidation (HTO) treatment than the sample without HTO treatment (2–3 μm). The oxide film thickness of the 6061 side of the weld joint treated by HTO (2401 nm) increased compared to the samples (181.1 nm) without HTO treatment. Unlike other metals treated by high-temperature oxidation, the high-temperature treatment process in this paper can reduce the corrosion resistance of the base metal and dissimilar joints, and the sequence of the corrosion current density was weld (HTO) >weld>6061 (HTO) >6061>304 (HTO) >304.
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Research context
OpenAlex topics: Welding Techniques and Residual Stresses · Hydrogen embrittlement and corrosion behaviors in metals · High-Temperature Coating Behaviors
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Key Laboratory of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
School of Aeronautical Manufacturing Industry, Chengdu Aeronautic Polytechnic, Chengdu 610100, China
Funding
National Natural Science Foundation of China · Key Research & Development Projects of Sichuan Province in China
References (20)
Show source-provided references
1. Optical micrograph and micro-hardness behavior of dissimilar welded joints of aluminum (Al 6061-T6) and stainless steel (SS 304) with friction crush welding10.1016/j.matpr.2020.11.171 ↗
2. Effect of alternating magnetic field on microstructure and performance for dissimilar welding-brazing of galvanized steel to 6061 aluminum alloy in an overlapping configuration10.1016/j.optlastec.2022.108423 ↗
3. Corrosion properties of dissimilar friction stir welded 6061 aluminium and HT590 steel10.1007/s12540-018-0135-2 ↗
4. Corrosion behaviour of friction-bit-joined and weld-bonded AA7075-T6/galvannealed DP98010.1080/13621718.2016.1255404 ↗
5. Corrosion behavior of Laser-Brazed surface made by joining of AA6082 and galvanized steel10.1007/s11665-019-03962-y ↗
6. Effect of intermetallic compounds on the mechanical property and corrosion behavior of aluminum alloy/steel hybrid fusion-brazed welded structure10.1016/j.jmapro.2022.01.004 ↗
7. Microstructure mechanical properities of 6061 aluminum alloy laser-MIG hybrid welding joint10.1007/s11771-022-4954-4 ↗
8. Research on weld formation mechanism of laser-MIG arc hybrid welding with butt gap10.1016/j.optlastec.2020.106530 ↗
9. Yavuz, A., Yilmaz, N.F., and Kalkan, M.F. (2023). Enhancement in the Corrosion Resistance of Nickel Metal Via a Straightforward Thermal Oxidation Method. J. Bio Tribo-Corros., 9.10.1007/s40735-022-00740-7 ↗
10. Interface Properties and Thermodynamic Analysis of Laser-arc Hybrid Welded Al/Steel Joint10.1179/1362171813Y.0000000106 ↗
11. Effects of post-weld heat treatment on dissimilar metal joint between aluminum alloy and stainless steel10.1016/j.msea.2012.04.110 ↗
12. Diagrams on the standard free energy change per unit volume for the formation of oxide (Sulifide, Carbide, Nitride)
13. Transformation and Morphology of the Surface Oxides during High-temperature Oxidation of Aluminium
14. Oxid. 304 Stainl. Steel HighTemperature Steam10.1016/0022-3115(86)90198-4 ↗
15. Ahmad, Z. (2006). Principles of Corrosion Engineering and Corrosion Control, Elsevier.10.1016/B978-075065924-6/50004-0 ↗
16. Microsturcture and mechanical/electrochemical properties of friction stir butt welded joint of dissimilar aluminum and steel alloys10.1016/j.matchar.2019.05.041 ↗
17. A new method to determine the synergistic effects of area ratio and microstructure on the galvanic corrosion pf LAS A508/306L/308L SS dissimilar metals weld10.1016/j.jmst.2020.10.044 ↗
18. Intergranular Corrosion of Austenitic Stainless Steel10.1149/1.2407966 ↗
19. The mechanism of sensitization of austenitic stainless steel10.1016/0010-938X(90)90068-G ↗
20. Effect of Cryogenic Treatment on Sensitization of 304 Stainless Steel in TIG Welding10.1007/s40032-015-0214-9 ↗