Abstract
AS part of an investigation of the constitution of alloys of thorium with the metals ruthenium, rhodium, palladium, osmium, iridium and platinum, a series of 1-gm. samples of alloys containing up to 33 atomic per cent of each precious metal was prepared by arc-melting the component materials in a zirconium-gettered argon atmosphere, weight losses on melting being negligible. Metallographic and X-ray results on as-cast and on annealed material suggest that the intermetallic compounds richest in thorium are: Th7Ru3, Th7Rh3, Th2Pd, Th7Os3, Th7Ir3 and Th7Pt3. Each compound forms a eutectic with thorium and the composition and temperature of these eutectics are given in Table 1. The solid solubility of each metal in thorium and the age-hardening behaviour of thorium-rich alloys have also been investigated.
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THOMSON, J. Some New Intermetallic Compounds of Thorium of the Type Th7X3. Nature 189, 217 (1961). https://doi.org/10.1038/189217a0
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DOI: https://doi.org/10.1038/189217a0
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