Effect of Cu on the Microstructure of 5052 Aluminum Alloy

Nan Qiao; Xiao Kui Liu; Xian Quan Jiang; Zhi Qian Chen; Chun Mei Li; Hong Mei Che

doi:10.4028/www.scientific.net/AMR.1081.200

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1081Effect of Cu on the Microstructure of 5052...

Effect of Cu on the Microstructure of 5052 Aluminum Alloy

Abstract:

5052 aluminum alloy modified with Cu was prepared, and the microstructure of the alloy was investigated throughly. The results show that, the constituents are identified as α (Al), θ-Al2Cu, S-Al2CuMg, Al6(Fe,Cu), Al7Cu2Fe and Si-rich phases. After homogenization at 460°C for 24 hours, the ternary eutectic phases (α-Al + Al2Cu + Al2CuMg) are almost completely dissolved, and there can be observed more binary eutectic phases (α-Al + Si). In addition, the transformation from Al6(Fe,Cu) to Al7Cu2Fe phase occurs during the homogenization. With the increasing of the homogenization temperature, more Al7Cu2Fe phase forms, while the amount of Al6(Fe,Cu) phase gradually declines.

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Periodical:

Advanced Materials Research (Volume 1081)

Pages:

200-204

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1081.200

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Online since:

December 2014

Authors:

Nan Qiao*, Xiao Kui Liu, Xian Quan Jiang, Zhi Qian Chen, Chun Mei Li, Hong Mei Che

Keywords:

5052 Aluminum Alloy, Al₆(Fe,Cu), Al₇Cu₂Fe, Homogenization, Microstructure

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