The feasibility has been demonstrated for achieving high-strain-rate superplasticity with elongations beyond 2000% in Al-Mg-Sc-Zr alloy with the partially recrystallized structure, produced by warm equal-channel angular pressing to strain of e~3 only. Subsequent alloy ambient temperature rolling up to e~1.6 enhanced the superplastic elongations and moved the optimum of superplasticity toward the higher strain rates. © (2015) Trans Tech Publications, Switzerland.

Bhagwati P. Kashyap

Department of Metallurgical & Materials Engineering

IIT Jodhpur

E. Avtokratova

O. Sitdikov

O. Mukhametdinova

M. Markushev

S.V.S. Narayana Murty

M.J.N.V. Prasad

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Materials Science Forum

Microstructure and superplasticity of an Al-Mg-Sc-Zr alloy processed by ECAP and subsequent cold rolling

Journal	Materials Science Forum
Publisher	Trans Tech Publications Ltd
ISSN	02555476