Electrical resistivities of liquid alkali-lead and alkali-indium alloys

Meijer, J A; Geertsma, W.; Lugt, W. van der

doi:10.1088/0305-4608/15/4/014

Cited by 110 publications

(32 citation statements)

References 23 publications

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“…Recent experimental results have shown that the thermodynamic properties of K-Pb (1) and Rb-Pb (2) alloys change abruptly at the equiatomic composition, in agreement with electrical resistivity measurements (3,4). Furthermore, the heat capacities (5,6), show this abrupt change occurs at equiatomic composition.…”

Section: Introductionsupporting

confidence: 78%

Thermodynamic investigation of the ternary K–Pb–Sn and Rb–Pb–Sn alloys

Tumidajski¹

1991

Can. J. Chem.

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PETER J. TUMIDAJSKI. Can. J. Chem. 69, 458 (1991). Activity coefficients for alkali metals in the K-Pb-Sn and Rb-Pb-Sn alloys were measured at 606°C (879 K) for compositions generally less than about 10 at.% alkali metal. An alkali metal concentration cell with a potassium or rubidium substituted P-A1203 solid electrolyte was used to perform the experiments. A coulometric titration technique was used to electrochemically generate the alkali metal in the Pb-Sn alloys. The results indicated that, for both potassium and rubidium alloys, as solvent composition is varied from pure tin to pure lead the liquid becomes more associated, suggesting the formation of complex species.Key words: thermodynamics, alkali metals, liquid alloys.

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Section: Introductionsupporting

confidence: 78%

Thermodynamic investigation of the ternary K–Pb–Sn and Rb–Pb–Sn alloys

Tumidajski¹

1991

Can. J. Chem.

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“…2 by red vertical dotted lines. The phase diagram of Pb-K system presented by Meijer et al [14]; the red vertical lines on the liquidus denote two compositions for structural analysis of the system MD models.…”

Section: Polymorphic Converting the Liquid Metal Structurementioning

confidence: 99%

Eutectic Na–Tl and Pb–Mg alloys as liquid-metal coolants for fast nuclear reactors

Alekseev¹,

Shimkevich²,

Shimkevich³

2015

Computational Methods and Experimental Measurements XVII

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The liquid-metal microstructure is a correct subdivision of Delaunay simplexes (triangular pyramids with atoms in their vertexes). Its dense part consists of almost regular tetrahedrons connected by faces in ramified clusters. Any metal additive (as a second component of alloy) can be outside of these tetrahedral clusters or into them as a constituent of dense liquid part. These structural states of liquid alloy convert to each other at its eutectic composition. Such the polymorphic conversion of the liquid-metal alloy is approved by moleculardynamics simulating the Pb-K alloy and can be applied to any eutectic, for example, Na0.93Tl0.07 with the melting point of 64 C. At the sodium side of this point, a homogeneous solution of thallium is formed in liquid sodium which becomes the colloidal one with clusters, (Na 6 Tl) n , when it is passing the eutectic point. Such the modified sodium coolant enriched by the isotope, 205 Tl, can appear attractive for inhibiting the chemical activity of this coolant maintained by oxygen-free technology. An alternative liquid-metal coolant for fast nuclear reactors is eutectic, Pb 0.83 Mg 0.17 , with the melting point of 248 C. This liquid alloy as a modified lead coolant maintained by the same oxygen-free technology can appear attractive for inhibiting the high corrosion activity of molten lead.

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“…Invited Paper for the 5th International Conference on Structure of Non-Crystalline Materials, Sendai, Japan, Sept. [2][3][4][5][6]1991 This work is supported by the U.S. Department of Energy, Basic Energy Sciences, Materials Sciences, under contract No. W-31-109-ENG-38.…”

Section: /Smmentioning

confidence: 99%