Phase-field simulation of the effect of interaction among ordered domains on interdiffusion in Ni--Al--Cr alloys |
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Authors: | Zhang Yu-Xiang Wang Jin-Cheng Yang Yu-Juan Yang Gen-Cang and Zhou Yao-He |
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Institution: | State Key Laboratory of Solidification Processing, Northwestern Polytechnical University, Xi'an 710072, China |
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Abstract: | The effect of interaction among γ ' ordered domains on the
interdiffusion process in γ +γ ' /γ and γ
+γ ' /γ +γ ' diffusion couples is investigated by
using the phase-field method, in which bulk free energy and mobility
are linked with thermodynamic and kinetic databases. Simulated
results show that the interaction among γ ' ordered domains
has great influence on the microstructure, the interdiffusion
velocity and the volume fraction of γ ' phase on both sides
of the diffusion couples. |
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Keywords: | interdiffusion phase-field
method ordered domain Ni--Al--Cr |
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