Equilibrium phases at the Ir-rich corner of the Ir-Nb-Ni-Al quaternary system

C. Huang; K. Nishida; Y. Yamabe-Mitarai; H. Harada

doi:10.1016/S0966-9795(02)00092-4

Equilibrium phases at the Ir-rich corner of the Ir-Nb-Ni-Al quaternary system

C. Huang, K. Nishida, Y. Yamabe-Mitarai, H. Harada

Research output: Contribution to journal › Article › peer-review

16 Citations (Scopus)

Abstract

The equilibrium phases of three Ir-Nb-Ni-Al quaternary alloys at the Ir-rich corner were investigated in some detail. The phases were determined by X-ray profile as well as microstructure observation. Three phases of fcc/L1₂-Ir₃Nb/B2-IrAl were found in two samples, and four phases of fcc/L1₂-Ir₃Nb/L1₂-Ni₃Al/B2-IrAl were characterized in one sample. The electron probe microanalysis (EPMA) technique was applied for analyzing the phase composition of this quaternary system. A partial quaternary phase diagram at the Ir-rich side was plotted according to the EPMA results.

Original language	English
Pages (from-to)	893-902
Number of pages	10
Journal	Intermetallics
Volume	10
Issue number	9
DOIs	https://doi.org/10.1016/S0966-9795(02)00092-4
Publication status	Published - 2002 Sep 1
Externally published	Yes

Keywords

A. Intermetallics, miscellaneous
B. Alloy design
B. Phase diagram
B. Phase identification

ASJC Scopus subject areas

Chemistry(all)
Mechanics of Materials
Mechanical Engineering
Metals and Alloys
Materials Chemistry

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abstract = "The equilibrium phases of three Ir-Nb-Ni-Al quaternary alloys at the Ir-rich corner were investigated in some detail. The phases were determined by X-ray profile as well as microstructure observation. Three phases of fcc/L12-Ir3Nb/B2-IrAl were found in two samples, and four phases of fcc/L12-Ir3Nb/L12-Ni3Al/B2-IrAl were characterized in one sample. The electron probe microanalysis (EPMA) technique was applied for analyzing the phase composition of this quaternary system. A partial quaternary phase diagram at the Ir-rich side was plotted according to the EPMA results.",

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T1 - Equilibrium phases at the Ir-rich corner of the Ir-Nb-Ni-Al quaternary system

AU - Huang, C.

AU - Nishida, K.

AU - Yamabe-Mitarai, Y.

AU - Harada, H.

PY - 2002/9/1

Y1 - 2002/9/1

N2 - The equilibrium phases of three Ir-Nb-Ni-Al quaternary alloys at the Ir-rich corner were investigated in some detail. The phases were determined by X-ray profile as well as microstructure observation. Three phases of fcc/L12-Ir3Nb/B2-IrAl were found in two samples, and four phases of fcc/L12-Ir3Nb/L12-Ni3Al/B2-IrAl were characterized in one sample. The electron probe microanalysis (EPMA) technique was applied for analyzing the phase composition of this quaternary system. A partial quaternary phase diagram at the Ir-rich side was plotted according to the EPMA results.

AB - The equilibrium phases of three Ir-Nb-Ni-Al quaternary alloys at the Ir-rich corner were investigated in some detail. The phases were determined by X-ray profile as well as microstructure observation. Three phases of fcc/L12-Ir3Nb/B2-IrAl were found in two samples, and four phases of fcc/L12-Ir3Nb/L12-Ni3Al/B2-IrAl were characterized in one sample. The electron probe microanalysis (EPMA) technique was applied for analyzing the phase composition of this quaternary system. A partial quaternary phase diagram at the Ir-rich side was plotted according to the EPMA results.

KW - A. Intermetallics, miscellaneous

KW - B. Alloy design

KW - B. Phase diagram

KW - B. Phase identification

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Equilibrium phases at the Ir-rich corner of the Ir-Nb-Ni-Al quaternary system

Abstract

Keywords

ASJC Scopus subject areas

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