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${it In situ}$ investigation of the microstructure evolution in Long-Period-Stacking-Ordered (LPSO) magnesium alloys as a function of the temperature

温度の関数としての長周期積層構造(LPSO)マグネシウム合金の微細構造進化のその場調査

M$'a$this, K.*; Drozdenko, D.*; N$'e$meth, G.*; Harjo, S.; Gong, W.*; 相澤 一也; 山崎 倫昭*; 河村 能人*

M$'a$this, K.*; Drozdenko, D.*; N$'e$meth, G.*; Harjo, S.; Gong, W.*; Aizawa, Kazuya; Yamasaki, Michiaki*; Kawamura, Yoshihito*

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$$^{circ}$$C by a combination of ${it in situ}$ 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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パーセンタイル:100

分野:Materials Science, Multidisciplinary

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