High tensile ductility via enhanced strain hardening in ultrafine-grained Cu

► Ultra-fine grained (UFG) pure Cu was produced by friction stir processing (FSP). ► FSP Cu consisted of equiaxed grains with predominant high angle grain boundaries. ► Some twin boundaries were observed in fine grains with low dislocation density. ► Enhanced strain hardening capacity was achieved i...

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Veröffentlicht in:	Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2012, Vol.532, p.106-110
Hauptverfasser:	Xue, P., Xiao, B.L., Ma, Z.Y.
Format:	Artikel
Sprache:	eng
Schlagworte:	Condensed matter: structure, mechanical and thermal properties Copper Deformation and plasticity (including yield, ductility, and superplasticity) Dislocation density Ductility Dynamic recrystallization Exact sciences and technology Friction stir processing Grain boundaries Mechanical and acoustical properties of condensed matter Mechanical properties of solids Microstructure Physics Strain hardening Strategy Tensile strength
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