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The serrated flow behavior of an Al-1.65 wt.% Li alloy in compression was investigated in the present study as a function of temper condition. Same category of serrations were detected for both the δ'-hardened and the δ'-free samples of the alloy. However, it was found that the happening of the serrations is controlled predominantly by the presence and growth of shearable δ', rather than the supersaturation...
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