Journal
FRONTIERS IN MATERIALS
Volume 6, Issue -, Pages -Publisher
FRONTIERS MEDIA SA
DOI: 10.3389/fmats.2019.00270
Keywords
twinning; kinking; neutron diffraction; acoustic emission; LPSO phase
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Funding
- Czech Science Foundation [18-07140S]
- JSPS KAKENHI [JP17H03431, JP18H05476]
- Operational Programme Research, Development and Education, The Ministry of Education, Youth and Sports of Czech Republic (OP RDE, MEYS) [CZ.02.1.01/0.0/0.0/16_013/0001794]
- Materials and Life Science Experimental Facility of the J-PARC [2018A0183]
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Deformation behavior of two Mg-Zn-Y magnesium alloys, having a different fraction of the long-period-stacking-ordered (LPSO) phase, has been investigated at room temperature and 200 degrees C by a combination of in-situ neutron diffraction (ND) and acoustic emission (AE) measurements. The results indicate that the twinning in the magnesium matrix and the kinking in the LPSO phase strongly depend on the composition of the material and the testing temperature. Further, active deformation mechanisms and particularly the load transfer from the magnesium matrix to the LPSO phase define the mechanical properties of the investigated alloys.
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