Influence of Grain Boundaries on Plastic Deformation in Pure Mg and AZ31 Mg Alloy Polycrystals

The Hall-Petch relation was confirmed to be found between the flow stress and the grain size at the temperatures from 77 K to 523 K for pure Mg, and at 293K for AZ31 Mg alloy polycrystals. The Hall-Petch slopes ky are nearly independent of the strain up to 3%, however, the frictional stresses *s0 in...

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Veröffentlicht in:	Materials science forum 2003-03, Vol.419-422, p.195-200
Hauptverfasser:	Miura, Sei, Nakamura, Kousuke, Ono, Nagato
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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