Analysis of Ni75-3x/4Al25-x/4Crx Grain Boundary Structures with a Double Species Model

ZHENG Li-Ping; MA Yu-Gang; XU Zi-Jian; ZHU Zhi-Yuan; LI Dou-Xing

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Analysis of Ni75-3x/4Al25-x/4Crx Grain Boundary Structures with a Double Species Model

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@@ Based on the Monte Carlo simulation conjoined with the embedded atom method (EAM) potentials, a double species model is employed to study the Ni75-3x/4Al25-x/4Crx (x ＜ 3) structure, i.e. impure Ni3Al together with a grain boundary structure at the equilibrium. At the grain boundary, the model shows that LI2-NiaAl transforms into fcc-Ni when x increases from 0 to 0.40; then fcc-Ni transforms into Ll2-Ni3Cr when x increases from 0.40 to 2.40.

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《中国物理快报：英文版》 |2005年第6期|1484-1487|共4页
作者
ZHENG Li-Ping; MA Yu-Gang; XU Zi-Jian; ZHU Zhi-Yuan; LI Dou-Xing;
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Shanghai Institute of Applied Physics, Chinese Academy of Sciences, PO Box 800-204, Shanghai 201800;

International Centre for Material Physics, Chinese Academy of Sciences, Shenyang 110016;

Shanghai Institute of Applied Physics, Chinese Academy of Sciences, PO Box 800-204, Shanghai 201800;

Shanghai Institute of Applied Physics, Chinese Academy of Sciences, PO Box 800-204, Shanghai 201800;

Shanghai Institute of Applied Physics, Chinese Academy of Sciences, PO Box 800-204, Shanghai 201800;

Shenyang National Laboratory for Materials Sciences, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016;

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Analysis of Ni75-3x/4Al25-x/4Crx Grain Boundary Structures with a Double Species Model

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