Anisotropy of mechanical properties and crystallographic texture in hot rolled AZ31+XSr sheets

The influences of Sr on the microstructure, texture and mechanical properties including flow and anisotropy behavior of AZ31 alloys are investigated. Slabs containing no, 0.4 and 0.8 wt% of strontium were cast and subjected to hot rolling. Results indicate that Sr reduces the basal texture intensity...

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Bibliographic Details
Published inJournal of magnesium and alloys Vol. 7; no. 3; pp. 466 - 473
Main Authors Sadeghi, Alireza, Mortezapour, Hossein, Samei, Javad, Pekguleryuz, Mihriban, Wilkinson, David
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.09.2019
KeAi Communications Co., Ltd
Subjects
AZ31
Hot rolling
Mechanical properties
Microstructure
Strontium
Texture
Strontium
Mechanical properties
AZ31
Microstructure
Hot rolling
Texture
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Summary:The influences of Sr on the microstructure, texture and mechanical properties including flow and anisotropy behavior of AZ31 alloys are investigated. Slabs containing no, 0.4 and 0.8 wt% of strontium were cast and subjected to hot rolling. Results indicate that Sr reduces the basal texture intensity (23% in the AZ31+0.8Sr alloy) and homogenizes the distribution of strain in uniaxial tension. Furthermore, Sr increases both the strength coefficient and the strain hardening exponent in all directions. In the transverse direction, enhancements are more significant. Moreover, Sr enhances the combination of tensile strength and total elongation; i.e., toughness, whether tests are performed parallel to the rolling, diagonal or transverse directions, to significant extents.
ISSN:2213-9567
2213-9567
DOI:10.1016/j.jma.2019.04.005