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Indexed by:期刊论文

Date of Publication:2007-02-01

Journal:MATERIALS TRANSACTIONS

Included Journals:SCIE、EI

Volume:48

Issue:2

Page Number:184-188

ISSN No.:1345-9678

Key Words:magnesium alloy; random texture; Schmid factor; grain size dependence

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: sigma(0.2) = 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 sigma(0) in the Hall-Petch equation was theoretically calculated to be similar to 65 MPa, which is reasonably consistent with the experimental data of similar to 62 MPa.