Experimental determination of phase equilibria in the Fe–Nb–V ternary system |
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| Authors: | XJ Liu CJ Liu CP Wang |
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| Affiliation: | aDepartment of Materials Science and Engineering, College of Materials, and Research Center of Materials Design and Applications, Xiamen University, No. 422 Siming South Road, Xiamen 361005, PR China;bXi’an Research Instu. of Hi-Tech, Hongqing Town, Xi’an 710025, PR China |
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| Abstract: | The phase equilibria in the Fe–Nb–V ternary system were investigated by means of optical microscopy, electron probe microanalysis and X-ray diffraction. Four isothermal sections in the Fe–Nb–V ternary system at 1000 °C, 1100 °C, 1200 °C and 1300 °C were firstly experimentally established. Present experimental results indicate that: (1) there is a large (Nb, V) continuous bcc solid solution; (2) there are the larger solubilities of V in the FeNb and Fe2Nb phases. The newly determined phase equilibria in this system will provide important support for the development of hydrogen storage materials and microalloyed steels. |
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| Keywords: | Metals and alloys Phase diagrams X-ray diffraction |
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