Liquidus Projection of the Ni-Sc-Zr System

In this work, the liquidus projection of the Ni-Sc-Zr ternary system has been experimentally investigated using forty-three as-cast alloys for the first time. The determination of primary phase regions, solidification paths and invariant reaction temperatures has been made based on microstructural c...

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Podrobná bibliografie
Vydáno v:	Journal of phase equilibria and diffusion Ročník 43; číslo 2; s. 109 - 125
Hlavní autoři:	Jiang, Shuwen, Tang, Wenjian, Wang, Yao, Huang, Dandan
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	New York Springer US 01.04.2022 Springer Nature B.V
Témata:	Alloys Body centered cubic lattice Casting alloys Ceramics Composites Crystallography and Scattering Methods Engineering Thermodynamics Eutectic reactions Face centered cubic lattice Glass Heat and Mass Transfer Intermetallic compounds Intermetallic phases Invariants Liquidus Metallic Materials Natural Materials Physics Physics and Astronomy Projection Scandium Solidification Solids Temperature Ternary systems Thermodynamics Zirconium Ni-Sc-Zr microstructure liquidus projection solidification
ISSN:	1547-7037, 1863-7345, 1934-7243
On-line přístup:	Získat plný text
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Shrnutí:	In this work, the liquidus projection of the Ni-Sc-Zr ternary system has been experimentally investigated using forty-three as-cast alloys for the first time. The determination of primary phase regions, solidification paths and invariant reaction temperatures has been made based on microstructural characterization via scanning electron microscopy (SEM) with energy-dispersive spectrometer (EDS) and Differential Scanning Calorimeter (DSC). In the constructed liquidus projection, up to fifteen primary solidification phases, including BCC_A2, HCP_A3, Sc 2 Ni, NiZr 2 , BCC_B2, NiZr, Ni 10 Zr 7 , Ni 21 Zr 8 , Ni 11 Zr 9 , ScNi 2 , Ni 7 Zr 2 , Sc 2 Ni 7 , ScNi 5 , Ni 5 Zr and FCC_A1, were observed. Among these the ordered BCC_B2 phase forms the dominant primary solidification field while the Sc 2 Ni and HCP_A3 phase regions are described to expand deeply into the ternary system. In addition, a ternary eutectic reaction and seven ternary transition reactions are proposed as invariant reactions.
Bibliografie:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 14
ISSN:	1547-7037 1863-7345 1934-7243
DOI:	10.1007/s11669-022-00946-9