Liquid phase separation in Ti-based alloys の変更点

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#author("2020-11-23T07:51:10+09:00","","")
|[[Liquid phase separation]]|
#author("2020-12-20T10:44:16+09:00","","")


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*Liquid phase separation in Ti-based alloys [#y7f40757]

http://t-nagase.sakura.ne.jp/pict-new/20180104.jpg
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Figure 1~
Metastable liquid miscibility gap and solidification microstructure in Ti-Ag alloys.
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Ti-Ag alloy is characterized by a flat liquidus line in the binary phase diagram. In the Ti-rich Ti66.7Ag33.3 alloy, the conventionally cast ingot showed a dendritic structure that included Ti-Ag-based intermetallic compounds; on the other hand, the rapidly solidified melt-spun ribbon showed a particulate microstructure comprising Ag-rich globules and a Ti-rich matrix phase (Fig. 1) . The formation of emulsion-like structures in the rapidly solidified specimens can be explained in terms of liquid phase separation. The metastable liquid miscibility gap in Ti-Ag alloy system can be discussed based on thermodynamics (Fig. 1). The occurrence of the liquid phase separation also can be seen in Ti-Nb-Ag alloy.
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''REFERENCES''~
+''%%%T. Nagase%%%'', '''''Materials''''', 13, 5268 (2020)., "Alloy design, thermodynamics and electron microscopy of ternary Ti-Ag-Nb alloy with liquid phase separation", https://doi.org/10.3390/ma13225268
+''%%%T. Nagase%%%'', M. Matsumoto, Y. Fujii, '''''Journal of Alloys and Compounds''''', 738, 440-447 (2018)., "Microstructure of Ti-Ag immiscible alloys with metastable liquid phase separation", https://doi.org/10.1016/j.jallcom.2017.12.1388~
+''%%%T. Nagase%%%'', M. Matsumoto, Y. Fujii, '''''Microscopy''''', 66 S1, i22 (2017)., "Microstructure of Ti-Nb-Ag immiscible alloys with liquid phase separation", https://doi.org/10.1093/jmicro/dfx064~
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''REFERENCES (Review)''~
+''%%%永瀬丈嗣%%%'', 松本恵, 藤居義和, '''''日本学術振興会172委員会 研究報告書''''', Vol. 18, No. 1, 61-74 (2018)., "チタン合金の液体分離", https://www.jsps.go.jp/j-soc/list/172.html~