Hot working parameters and mechanisms in as-cast Mg-3Sn-1Ca alloy

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

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Author(s)

Detail(s)

Original languageEnglish
Pages (from-to)4207-4209
Journal / PublicationMaterials Letters
Volume62
Issue number26
Publication statusPublished - 15 Oct 2008

Abstract

The hot working characteristics of as-cast Mg-3Sn-1Ca alloy have been studied using processing-map technique and the kinetic rate equation. The map exhibited two domains; one in the lower strain rate range (0.0003-0.01 s- 1) and the other in the higher strain rate range (0.1-10 s- 1)-both falling in the same temperature range of 350-550 s- 1. Hot extrusion at 500 °C and a speed corresponding to an average strain rate of 3 s- 1 exhibited dynamically recrystallized microstructure. The estimated apparent activation energy values are higher than those for self-diffusion in pure magnesium suggesting that the large volume fraction of MgSnCa intermetallic particles causes significant back stress. © 2008 Elsevier B.V. All rights reserved.

Research Area(s)

  • Dynamic recrystallization, Hot working, Kinetics, Magnesium alloys, Processing map

Citation Format(s)

Hot working parameters and mechanisms in as-cast Mg-3Sn-1Ca alloy. / Prasad, Y. V R K; Rao, K. P.; Hort, N.; Kainer, K. U.

In: Materials Letters, Vol. 62, No. 26, 15.10.2008, p. 4207-4209.

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review