The Effect of the Erbium Content on the Microstructure and Mechanical Property of 6061 Aluminum Alloys

Wen Jian Lv; Bo Long Li; Peng Qi; Zuo-Ren Nie

doi:10.4028/www.scientific.net/MSF.898.35

Paper Titles

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Microstructure, Mechanical and Corrosion Properties of 5E61 Alloy
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The Effect of the Erbium Content on the Microstructure and Mechanical Property of 6061 Aluminum Alloys
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Effect of Homogenization Temperature on the Microstructure and Property of 6061 Aluminum Alloy with Erbium
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HomeMaterials Science ForumMaterials Science Forum Vol. 898The Effect of the Erbium Content on the...

The Effect of the Erbium Content on the Microstructure and Mechanical Property of 6061 Aluminum Alloys

Abstract:

The 6061 aluminum alloys with different content of erbium were prepared. The erbium content was optimized by measurement of grain refining effects and tensile strength. After solid solution treatment of the alloy with optimized erbium content at 505 °C ~ 595 °C for 4 h. and then ageing at –160 °C ~ 200 °C for 3 h., the grain size decreased with the content of erbium, achieving the most effective grain size refinement at the erbium content of 0.15wt.%. The tensile strength of as-cast alloy could reach up to 243 MPa at the erbium content of 0.15%. -Combined with the microstructures and mechanical properties, the erbium content of 0.15% was the optimized content, and heat treatments of ageing at 180 °C for 3 h. followed by solid solution at 565 °C for 4 h were suggested.

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Periodical:

Materials Science Forum (Volume 898)

Pages:

35-40

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.898.35

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Online since:

June 2017

Authors:

Wen Jian Lv*, Bo Long Li, Peng Qi, Zuo-Ren Nie

Keywords:

6061 Aluminum, Erbium, Heat Treatment, Mechanical Properties, Microstructure

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