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The effect of scandium and zirconium on the microstructure, mechanical properties and formability of a model Al–Cu alloy

conference contribution
posted on 2018-01-01, 00:00 authored by Thomas DorinThomas Dorin, Mahendra RamajayamMahendra Ramajayam, K Mester, B Rouxel, J Lamb, T J Langan
The addition of zirconium (Zr) together with scandium (Sc) is known to increase the strength of Al alloys. This work explores the impact of Sc and Zr on the extrudability of a model extruded Al-4 wt%Cu alloy. A traditional material’s property which can be directly related to the energy required to form a certain alloy is an alloy’s flow stress. The flow stress behaviour is evaluated from the stress displacement curves recorded during extrusion. The addition of Sc and Zr is found to result in an increase of the flow stress of 14% when the yield strength in the T8 temper increases by 100%. This increase in flow stress is compared to other heat treatable Al alloys and it is found that Sc and Zr result only a minor increase in the flow stress.

History

Event

The Minerals, Metals & Materials Society. Annual Meeting & Exhibition (147th : 2018 : Phoenix, Ariz.)

Volume

Part F4

Series

The Minerals, Metals & Materials Series

Pagination

1595 - 1599

Publisher

Springer

Location

Phoenix, Ariz.

Place of publication

Cham, Switzerland

Start date

2018-03-11

End date

2018-03-15

ISSN

2367-1181

eISSN

2367-1696

ISBN-13

9783319722832

Publication classification

E1 Full written paper - refereed

Copyright notice

2018, The Minerals, Metals & Materials Society

Editor/Contributor(s)

Oliver Martin

Title of proceedings

TMS 2018 : Light metals 2018

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