Formation of 0001-rotation-type kink boundary in Mg-Zn-Y alloy with long-period stacking ordered structure

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING

卷:819

Article

Yamasaki, Michiaki^1,2  Mayama, Tsuyoshi^1,2  Matsumoto, Tsubasa¹  Hagihara, Koji³  Drozdenko, Daria^4,5  Kawamura, Yoshihito² 

[1] Kumamoto Univ, Grad Sch Sci & Technol, Dept Mat Sci, Chuo Ku, 2-39-1 Kurokami, Kumamoto 8608555, Japan

[2] Kumamoto Univ, Magnesium Res Ctr, Chuo Ku, 2-39-1 Kurokami, Kumamoto 8608555, Japan

[3] Nagoya Inst Technol, Dept Phys Sci & Engn, Nagoya, Aichi 4668555, Japan

[4] Charles Univ Prague, Fac Math & Phys, Dept Phys Mat, Ke Karlovu 5, Prague 12116 2, Czech Republic

[5] Czech Acad Sci, Nucl Phys Inst, Hlavni 130, Rez 25068, Czech Republic

关键词: Magnesium alloy;    Long-period stacking ordered phase;    Kink deformation;    Geometrically necessary dislocation;    Intragranular misorientation axis analysis;    Crystal plasticity finite element method;   

DOI  :  10.1016/j.msea.2021.141466

来源: Elsevier

【 摘 要 】

The dislocation configuration around the 0001 0001 a 0001 a a slip system are numerically reproduced by a crystal plasticity finite element analysis. Geometrical softening should be significant despite kink-band formation stimulated by the prismatic slip system.

【 授权许可】

Free