Article ID Journal Published Year Pages File Type
1580142 Materials Science and Engineering: A 2010 4 Pages PDF
Abstract

Mechanically milled pure aluminium particles were consolidated into bulk material using back pressure equal channel angular pressing (BP-ECAP) at 373 K. Compressive yield strengths of 380 and 422 MPa with ultimate strengths over 500 MPa were obtained after 4 and 8 passes of ECAP, respectively. Further strengthening was observed after heating at 673 and 773 K. The age hardening and thermal stability were attributable to the formation of Al4C3 particles from a solid-state reaction during the isothermal heat treatments.

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