Grain Size Dependence of Yield Strength in Randomly Textured Mg-Al-Zn 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)184-188
Journal / PublicationMaterials Transactions
Volume48
Issue number2
Online published25 Jan 2007
Publication statusPublished - 2007
Externally publishedYes

Abstract

The randomly textured Mg-Al-Zn alloy processed by electron beam welding typically exhibits clear grain size dependence of yield strength according to the Hall-Petch relationship:σ0.2 = 62 + 202d-1/2. The Schmid factor for the basal slip system was deduced to be around 0.031 in the randomly textured Mg alloys. The σ0 in the Hall-Petch equation was theoretically calculated to be ∼ 65 MPa, which is reasonably consistent with the experimental data of ∼ 62MPa.

Research Area(s)

  • grain size dependence, magnesium alloy, random texture, Schmid factor