2019
DOI: 10.3390/met9070770
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Isothermal Sections of the Ni-Cr-Ta Ternary System at 1200 °C and 1300 °C

Abstract: Two isothermal sections of the Ni-Cr-Ta ternary system at 1200 °C and 1300 °C have been determined by using electron probe microanalysis, energy dispersive spectroscopy and differential scanning calorimeter. A Laves phase (Ni, Cr)2Ta(HT)(C14 structure) with large solid solubility stabilized by the Ni addition was determined in both two isothermal sections. The composition range of this phase was about 25.8–66.0 at.% Cr, 2.5-44.3 at.% Ni, and 24.0-40.0 at.% Ta at 1200 °C, which increased with raising temperatur… Show more

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Cited by 2 publications
(3 citation statements)
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“…In the region with lower Al content, no phase equilibrium relationship related to the C15 phase can be measured. The same result also appears in the Co-Cr-Ta [21] and Ni-Cr-Ta [22] ternary systems, as shown in Fig. 7(a) and (b).…”
Section: Isothermal Sectionssupporting
confidence: 80%
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“…In the region with lower Al content, no phase equilibrium relationship related to the C15 phase can be measured. The same result also appears in the Co-Cr-Ta [21] and Ni-Cr-Ta [22] ternary systems, as shown in Fig. 7(a) and (b).…”
Section: Isothermal Sectionssupporting
confidence: 80%
“…Similarly, the Cr Ta(HT) phase still exists in two isothermal sections, although it does not exist in the Cr-Ta subsystem at two temperatures. The region of the solid solubility boundary of the Cr 2 Ta(HT) phase is long and parallel to the Al-Cr side, which is also found in the Co-Cr-Ta[21 and Ni-Cr-Ta [22] systems. The Cr 2 Ta(HT) phase with the C14 structure shows a wide ternary solid solution range.…”
Section: Isothermal Sectionsmentioning
confidence: 88%
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