Specific Features of the Strengthening during Severe Plastic Deformation of Supersaturated Solid Solutions

Sergey V. Dobatkin; Valerij V. Zakharov; L.L. Rokhlin

doi:10.4028/www.scientific.net/MSF.503-504.399

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HomeMaterials Science ForumMaterials Science Forum Vols. 503-504Specific Features of the Strengthening during...

Specific Features of the Strengthening during Severe Plastic Deformation of Supersaturated Solid Solutions

Abstract:

The effect of the supersaturated solid solution decomposition occurring prior to, during, and after severe plastic deformation by torsion under high hydrostatic pressure on strengthening is examined by the examples of Al-Cu-Mg, Al-Mg-Sc, and Mg-Sm alloys and 0.12%C-0.85%Mn- 0.65%Si and 0,1%C-1.12%Mn-0.08%V-0.07%Ti low-carbon steels. The decomposition of the supersaturated solid solution was realized upon cooling from the quenching temperature (lowcarbon steels), prior to deformation (Al-Cu-Mg-, Mg-Sm alloys), during deformation (Al-Cu-Mg-, Mg-Sm alloys), and after deformation. It is shown, the decomposition of the supersaturated solid solution is effective for the grain refinement down to nanoscale and strengthening, but, for different materials, different combinations with SPD should be used.

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Periodical:

Materials Science Forum (Volumes 503-504)

Pages:

399-406

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.503-504.399

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Online since:

January 2006

Authors:

Sergey V. Dobatkin, Valerij V. Zakharov, L.L. Rokhlin

Keywords:

Nanostructure, Phase Transformation, Severe Plastic Deformation (SPD), Strengthening, Supersaturated Solid Solution

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