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An investigation of the Al-Rh-Ru phase diagram above 50 at.% Al

机译:Al含量高于50 at。%的Al-Rh-Ru相图的研究

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摘要

Partial 1100,1000,900 and 700 °C isothermal sections of the Al-Rh-Ru phase diagram were determined. The isostructural binary AlRu and AlRh phases probably form a continuous B-range of the CsCl-type solid solutions. The Al_9Rh_2 and C-Al_5Rh_2 dissolve up to 4.5 and 13 at.% Ru, while Al_(13)Ru_4 and Al_2Ru dissolve up to 14.5 and 8 at.% Rh, respectively. A ternary orthorhombic structure (Pbma, a = 2.34, b = 1.62 and c = 2.00 nm) related to the Al-Rh e-phases was revealed at the extension of the Al-Rh e-phase area at compositions up to Al_77Rh_(15)Ru_8.
机译:确定了Al-Rh-Ru相图的1100、1000、900和700°C部分等温截面。同构的二元AlRu和AlRh相可能形成CsCl型固溶体的连续B范围。 Al_9Rh_2和C-Al_5Rh_2最多溶解4.5和13 at%的Ru,而Al_(13)Ru_4和Al_2Ru分别溶解最多14.5和8 at。%的Rh。与Al-Rh e相有关的三元正交晶结构(Pbma,a = 2.34,b = 1.62和c = 2.00 nm)在Al-Rh e相区域的延伸处显示,直至Al_77Rh_(15 Ru_8。

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