X. Y. Zhang
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2020.07.01 ~
Some illustrations of my focus area
Disclinations
Stress field of a dipole of disclinations
Disclinations
Formation of a single positive disclination
Disclinations
Formation of a single negetive disclination
Disclinations
Some illustrations of my focus area
Kink-band Formation
Kink-band formation takes places when the slip systems are not favored to the loading direction
Kink-band Formation
Possible formation process 1 - boundary movement
Kink-band Formation
Possible formation process 2 - traverse propogation
Kink-band Formation
References
T. Inamura, Geometry of kink microstructure analysed by rank-1 connection, Acta Materialia 173 (2019) 270-280.
A.E. Romanov, A.L. Kolesnikova, Application of disclination concept to solid structures, Progress in Materials Science 54(6) (2009) 740-769.
Y. Kawamura, K. Hayashi, A. Inoue, T. Masumoto, Rapidly solidified powder metallurgy Mg97Zn1Y2Alloys with excellent tensile yield strength above 600 MPa, Materials Transactions 42(7) (2001) 1172-1176.
E. Abe, Y. Kawamura, K. Hayashi, A. Inoue, Long-period ordered structure in a high-strength nanocrystalline Mg-1 at% Zn-2 at% Y alloy studied by atomic-resolution Z-contrast STEM, Acta Materialia 50(15) (2002) 3845-3857.
K. Hagihara, Z. Li, M. Yamasaki, Y. Kawamura, T. Nakano, Strengthening mechanisms acting in extruded Mg-based long-period stacking ordered (LPSO)-phase alloys, Acta Materialia 163 (2019) 226-239.
D. Egusa, M. Yamasaki, Y. Kawamura, E. Abe, Micro-Kinking of the Long-Period Stacking/Order (LPSO) Phase in a Hot-Extruded Mg
97
Zn
1
Y
2
Alloy, Materials Transactions 54(5) (2013) 698-702.
E. Orowan, A type of plastic deformation new in metals, Nature 149(3788) (1942) 643-644.
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