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Determination of the solidification paths and the liquidus surface in the quasicrystalline region of the Al-Cu-Ru systems

机译：确定al-Cu-Ru系统的准晶区中的凝固路径和液相线表面

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Objective is to determine if conventional slow-growth methods will be successful for growing single quasicrystals in this system. Reaction schemes, isopleths, and a ternary liquidus diagram were constructed using DTA, XRD, microscopy, and energy dispersive spectroscopy. Results suggest a peak in the liquidus near the predicted compositions of Al(sub 65)Cu(sub 23)Ru(sub 12) or Al(sub 65)Cu(sub 20)Ru(sub 15) in the face-centered icosahedral phase field. Further study is needed to verify the existence of a congruently melting phase. There appears to be composition for which slow-growth methods will produce a single-quasicrystal. Directional solidification studies were done on 65Al25Cu10Ru.

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作者
Haines, S.;
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年度 1995
页码 1-51
总页数 51
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Aluminium Alloys; Copper Alloys; Ruthenium Alloys; Phase Studies; Solidification; Ternary Systems; Theses;

机译：铝合金;铜合金;钌合金;相研究;凝固;三元系统;论文;

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1. Study of the Liquidus and Solidus Surfaces in the Quaternary Fe–Ni–Cu–S System: III. Construction of a Meltability Diagram and Determination of Miscibility Gap Boundaries for the Ternary Cu–Ni–S Sulfide System [J] . S. I. Sineva, R. V. Starykh, S. B. Zakhryapin Russian Metallurgy(Metally) . 2010,第5期

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2. Study of the Liquidus and Solidus Surfaces in the Quaternary Fe-Ni-Cu-S System: IV. Construction of a Meltability Diagram and Determination of Miscibility Gap Boundaries for the Ternary Cu—Fe—S Sulfide System [J] . R. V. Starykh, S.I. Sineva, S. B. Zakhryapin Russian Metallurgy(Metally) . 2010,第11期

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3. Phase equilibria in the Fe-Al-Nb system: Solidification behaviour, liquidus surface and isothermal sections [J] . Stein F., He C., Prymak O., Intermetallics . 2015,第Null期

机译：Fe-Al-Nb系统中的相平衡：凝固行为，液相线表面和等温截面
4. EXPERIMENTAL DETERMINATION OF THE LIQUIDUS SURFACE (1473 K) IN Cu-ZnO-SiO_2-O SYSTEM AT VARIOUS OXYGEN PARTIAL PRESSURES [C] . Longgong Xia, Zhihong Liu, Pekka Antero Taskinen International Conference on Molten Slags, Fluxes and Salts . 2016

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5. Solidification studies of nanocrystalline and quasicrystalline materials from the undercooled state. [D] . Croat, Thomas Kevin. 2001

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6. A side-by-side comparison of the solidification dynamics of quasicrystalline and approximant phases in the Al–Co–Ni system [O] . Insung Han, Xianghui Xiao, Haiping Sun, -1

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7. Determination of Liquidus and Solidus Surfaces at Iron-rich Region of Fe-Cr-Ni System [O] . Akira YAMADA, Takateru UMEDA, Makoto SUZUKI, 1987

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Determination of the solidification paths and the liquidus surface in the quasicrystalline region of the Al-Cu-Ru systems

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