Inhomogeneous Deformation Observed Using High-Precision Markers Drawn by Electron Beam Lithography in a Magnesium Alloy with LPSO Phase

Tatsuya Morikawa; Yuuki Mitani; Kenji Higashida

doi:10.4028/www.scientific.net/MSF.638-642.1574

Paper Titles

Creep Behaviour of AE42 Magnesium Alloy and its Composites Using Impression Creep Technique
p.1552

Effect of Rare Earth Element on Microstructure and Mechanical Properties of Mg-Sn-Ca Alloys
p.1558

Modeling and Simulation of Microstructure Evolution of Cast Mg Alloy
p.1562

Formability of AZ31 Alloys Prepared by Hot-Extrusion of their Machined Chips
p.1569

Inhomogeneous Deformation Observed Using High-Precision Markers Drawn by Electron Beam Lithography in a Magnesium Alloy with LPSO Phase
p.1574

Cross-Sectional Geometry and the Intermetallics Structure in a High Pressure Die Cast Mg-Al Alloy
p.1579

Atomic Scale Simulation of Deformation in Magnesium Single Crystals
p.1585

Formation of Fold Defects in Permanent Mold Cast AE42 Magnesium Alloy
p.1591

Creep Behavior of Two Series Magnesium Alloys
p.1596

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Inhomogeneous Deformation Observed Using High-Precision Markers Drawn by Electron Beam Lithography in a Magnesium Alloy with LPSO Phase

Abstract:

Inhomogeneous deformation in a magnesium alloy with long-period stacking order (LPSO) phase has been investigated using high-precision markers drawn by electron beam lithography. Mg alloys containing Zn and rare earth elements such as Y have a characteristic microstructure including the LPSO phase and the usual hcp matrix phase. The mechanical performance of this alloy is remarkably enhanced by warm-extrusion. The microstructure developed by such extrusion consists of elongated grains with fine-lamellae of LPSO phase and fine-grained matrix of hcp phase. In order to clarify the details of inhomogeneous deformation which should relate with the superior mechanical properties in this alloy, high-precision marking method using electron beam lithography has been employed. By using the method, local displacement due to tensile deformation in the Mg alloy was directly measured.