MATERIALS TRANSACTIONS
Online ISSN : 1347-5320
Print ISSN : 1345-9678
ISSN-L : 1345-9678
In-Situ Neutron Diffraction Study on Tensile Behavior of LPSO Mg–Zn–Y Alloys
Kazuya AizawaWu GongStefanus HarjoJun AbeTakaaki IwahashiTakashi Kamiyama
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2013 Volume 54 Issue 7 Pages 1083-1086

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Abstract

Tensile behavior of single-phase 18R-Long period stacking ordered structure (LPSO) Mg–Zn–Y alloys and two-phase Mg–Zn–Y alloys which consist of Mg matrix and 18R-LPSO phase were studied by in-situ pulsed-neutron diffraction technique under tensile stress. Anisotropic behavior between the a-axis and c-axis in the 18R-LPSO structure was observed for the single-phase LPSO Mg–Zn–Y casted alloy from the elastic region under tensile stress. On the other hand, two-phase Mg–Zn–Y alloys of low 18R-LPSO phase concentration, which were produced by extrusion, behave isotropic until the yield point under tensile stress, and the 18R-LPSO phase acts as a strengthening phase in the plastic region.

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© 2013 The Japan Institute of Metals and Materials
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