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Solid state recycling of 5083 Al alloy by hot extrusion

Chino, Y., Mabuchi, M., Shimojima, K., Hosokawa, H., Yamada, Y., Wen, C.E. and Iwasaki, H. 2004, Solid state recycling of 5083 Al alloy by hot extrusion, Transaction of the materials research society of japan, vol. 29, no. 5, pp. 1893-1896.

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Title Solid state recycling of 5083 Al alloy by hot extrusion
Author(s) Chino, Y.
Mabuchi, M.
Shimojima, K.
Hosokawa, H.
Yamada, Y.
Wen, C.E.
Iwasaki, H.
Journal name Transaction of the materials research society of japan
Volume number 29
Issue number 5
Start page 1893
End page 1896
Publisher Materials Research Society of Japan
Place of publication Tokyo, Japan
Publication date 2004
ISSN 1382-3469
Summary The machined chips of 5083 Al alloy were recycled by hot extrusion at 723 K with an extrusion ratio of 44:1 in air. Corrosion and mechanical properties of the recycled specimens have been compared with those of a virgin extrusion which was processed from the ingot block. As a result of salt immersion tests, mass loss of the recycled specimen was not less than twice of that of the virgin extrusion. The deterioration in corrosion properties for the recycled specimen was attributed to the excessive contamination of Fe which promoted galvanic corrosion. As a result of tensile tests, the recycled specimen exhibited a good combination of high strength and high elongation to failure at room temperature. The excellent mechanical properties for the recycled specimen were attributed to the refined microstructure. However, the elongation to failure of the recycled specimen at elevated temperatures more than 573 K was lower than that of the virgin extrusion. The contamination of oxide particles is likely to be responsible for the lower elongation in the solid recycled specimen.
Language eng
Field of Research 091207 Metals and Alloy Materials
Socio Economic Objective 870302 Metals (e.g. Composites, Coatings, Bonding)
HERDC Research category C1.1 Refereed article in a scholarly journal
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Document type: Journal Article
Collection: Centre for Material and Fibre Innovation
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