Thermodynamical Phase Equilibrium of Iron Nitrides at Low Temperatures
LEI Ming-Kai, WANG Xing-Jun
Surface Engineering Laboratory, Department of Materials Engineering, Dalian University of Technology, Dalian 116024
Thermodynamical Phase Equilibrium of Iron Nitrides at Low Temperatures
LEI Ming-Kai;WANG Xing-Jun
Surface Engineering Laboratory, Department of Materials Engineering, Dalian University of Technology, Dalian 116024
关键词 ：
81.30.-t ,
81.05.Je
Abstract ： The presence of α-Fe(N), γ'-Fe4 N, and ε-Fe4 N1-x phases and the phase equilibrium between α-Fe(N) and γ'-Fe4 N, and γ'-Fe4 N and ε-Fe4 N1-x have been studied at the low temperatures below 350°C, according to the binary Fe-N phase diagram calculated using the sublattice-compound energy model. The α-Fe(N), γ'-Fe4 N, and ε-Fe4 N1-x phases would be thermodynamically stable at the low temperatures. Thermodynamic phase equilibrium of the iron nitrides is supported by the experimental results, explaining the phase formation and its stability in the Fe-N system at low temperatures.
Key words ：
81.30.-t
81.05.Je
出版日期: 2002-11-01
:
81.30.-t
(Phase diagrams and microstructures developed by solidification and solid-solid phase transformations)
81.05.Je
(Ceramics and refractories (including borides, carbides, hydrides, nitrides, oxides, and silicides))
引用本文:
LEI Ming-Kai;WANG Xing-Jun. Thermodynamical Phase Equilibrium of Iron Nitrides at Low Temperatures[J]. 中国物理快报, 2002, 19(11): 1721-1723.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2002/V19/I11/1721
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