Transmission electron microscopy studies on the effect of strain on Al and Al–1% Sc alloy

Rajinikanth, V and Jindal, Vikas and Akkimardi, V G and Ghosh, M and Venkateswarlu, K (2007) Transmission electron microscopy studies on the effect of strain on Al and Al–1% Sc alloy. Scripta Materialia, 57 (5). pp. 425-428.

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Abstract

The strain-hardening behavior of Al–1 wt.% Sc alloy was studied and compared with that of Al. Al showed a linear hardening, whereas the Al–1 wt.% Sc alloy showed two-stage behavior for the same equivalent true strain up to 2.0. Transmission electron microscopy studies revealed that dislocation pile-up and dynamic recovery control the hardening behavior in Al, whereas the effective pinning by fine Al3Sc precipitates and dynamic recrystallization at large strain are responsible for the two-stage behavior in Al–1 wt.% Sc alloy.

Item Type:Article
Official URL/DOI:http://dx.doi.org/10.1016/j.scriptamat.2007.04.038
Uncontrolled Keywords:Al3Sc precipitates; Dislocations; TEM; Strain hardening; Deformation
Divisions:Material Science and Technology
ID Code:190
Deposited By:INVALID USER
Deposited On:26 Oct 2009 12:09
Last Modified:08 Feb 2012 12:23
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