Mechanical properties of aluminum 5083 alloy GMA welds with different magnesium and manganese content of filler wiresopen access
- Authors
- Kim, Gwang-Gook; Kim, Dong-Yoon; Hwang, Insung; Kim, Dongcheol; Kim, Young-Min; Park, Junhong
- Issue Date
- Dec-2021
- Publisher
- MDPI
- Keywords
- aluminum 5083 alloy; gas metal arc welding; vaporization; magnesium; manganese; solid solution strengthening
- Citation
- APPLIED SCIENCES-BASEL, v.11, no.24, pp.1 - 11
- Indexed
- SCIE
SCOPUS
- Journal Title
- APPLIED SCIENCES-BASEL
- Volume
- 11
- Number
- 24
- Start Page
- 1
- End Page
- 11
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/138572
- DOI
- 10.3390/app112411655
- Abstract
- Gas metal arc welding of aluminum 5083 alloys was performed using three new welding wires with different magnesium and manganese contents and compared with commercial aluminum 5183 alloy filler wire. To investigate the effect of magnesium and manganese contents on the mechanical properties of welds, mechanical properties were evaluated through tensile strength, bending, and microhardness tests. In addition, the microstructure and chemical composition were analyzed to compare the differences between each weld. The tensile strengths of welds using aluminum alloy filler wires with a magnesium content of 7.33 wt.% (W1) and 6.38 wt.% (W2), respectively, were similar. The tensile strength and hardness of welds using wires with a similar magnesium content, but a different manganese content of 0.004 wt.% (W2) and 0.46 wt.% (W3), respectively, were higher in the wire with a high manganese content. Through various mechanical and microstructural property analyses, when the magnesium content of the filler wire was 6 wt.% or more, the manganese content, rather than the magnesium content, had a dominant effect on the strengthening of the weld.
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