Hot Deformation Behavior of 2124 Al Alloy

Abstract

Abstract: The mechanical behavior of 2124 Al alloy produced by powder metallurgy was investigated with compression test at different temperatures and strain rates. The tests were performed in the temperature range of 300℃~500℃ and at strain rates from 0.001 s-1 to 1.0 s-1. The compression flow curves exhibited an initial sharp increase with strain, followed by monotonous hardening. The maximum stress decreased with decreasing strain rate and increasing temperature. The hot deformation characteristics of the material were studied using processing maps. The domain of safety and unsafe regime were identified and validated through microstructural examination.

Key words: Flow stress, Power dissipation efficiency, Flow instability, Flow localization, Processing map

S.Ramanathan, R.Karthikeyan, V.Deepak Kumar, G.Ganesan. Hot Deformation Behavior of 2124 Al Alloy[J]. J Mater Sci Technol, 2006, 22(05): 611-615.

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