Simultaneous XEDS-EBSD Study of NiCoAlFeCu(Cr,Ti) Multi-Component Alloys

Francisco Cruz-Gandarilla, Oscar Coreño-Alonso, José Gerardo Cabañas-Moreno, Lisa H. Chan, Cynthia Gómez-Esparza, Roberto Martínez Sánchez

Research output: Contribution to journalArticle

Abstract

© 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. NiCoAlFeCu, NiCoAlFeCuCr, and NiCoAlFeCuCrTi high-entropy alloys are prepared by mechanical alloying and sintered at 1200°C and a pressure of 1.5GPa for 3h. The alloys were characterized by X-ray diffraction (XRD), electron backscatter diffraction (EBSD), and X-ray energy dispersive spectrometry (XEDS). The phases found are mostly variants of the face centered cubic (fcc) phases (space group Fm3-m), bcc (space group Im3-m), and hexagonal (space group P63/mmc). Adding Ti to the NiCoAlFeCuCr system has strong effects on the solubility of the elements in the different phases and increases dramatically the number of phases present. The use of EBSD and XEDS allowed identification of a cubic phase in NiCoAlFeCu samples, which cannot be identified by XRD alone, and confirmed its identification by XRD in NiCoAlFeCuCr samples. The spatial distribution of phases and the grain structure in the three different samples, measured by EBSD and XEDS, is reported.
Original languageAmerican English
JournalAdvanced Engineering Materials
DOIs
StatePublished - 1 Jan 2017

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Electron diffraction
X ray diffraction
diffraction
spectroscopy
electrons
x rays
Crystal microstructure
Mechanical alloying
Spatial distribution
energy
Entropy
Solubility
alloying
X-Ray Emission Spectrometry
spatial distribution
solubility
electron diffraction
entropy

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Cruz-Gandarilla, F., Coreño-Alonso, O., Cabañas-Moreno, J. G., Chan, L. H., Gómez-Esparza, C., & Martínez Sánchez, R. (2017). Simultaneous XEDS-EBSD Study of NiCoAlFeCu(Cr,Ti) Multi-Component Alloys. Advanced Engineering Materials. https://doi.org/10.1002/adem.201700215
Cruz-Gandarilla, Francisco ; Coreño-Alonso, Oscar ; Cabañas-Moreno, José Gerardo ; Chan, Lisa H. ; Gómez-Esparza, Cynthia ; Martínez Sánchez, Roberto. / Simultaneous XEDS-EBSD Study of NiCoAlFeCu(Cr,Ti) Multi-Component Alloys. In: Advanced Engineering Materials. 2017.
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Cruz-Gandarilla, F, Coreño-Alonso, O, Cabañas-Moreno, JG, Chan, LH, Gómez-Esparza, C & Martínez Sánchez, R 2017, 'Simultaneous XEDS-EBSD Study of NiCoAlFeCu(Cr,Ti) Multi-Component Alloys', Advanced Engineering Materials. https://doi.org/10.1002/adem.201700215

Simultaneous XEDS-EBSD Study of NiCoAlFeCu(Cr,Ti) Multi-Component Alloys. / Cruz-Gandarilla, Francisco; Coreño-Alonso, Oscar; Cabañas-Moreno, José Gerardo; Chan, Lisa H.; Gómez-Esparza, Cynthia; Martínez Sánchez, Roberto.

In: Advanced Engineering Materials, 01.01.2017.

Research output: Contribution to journalArticle

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AU - Cruz-Gandarilla, Francisco

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AU - Gómez-Esparza, Cynthia

AU - Martínez Sánchez, Roberto

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AB - © 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. NiCoAlFeCu, NiCoAlFeCuCr, and NiCoAlFeCuCrTi high-entropy alloys are prepared by mechanical alloying and sintered at 1200°C and a pressure of 1.5GPa for 3h. The alloys were characterized by X-ray diffraction (XRD), electron backscatter diffraction (EBSD), and X-ray energy dispersive spectrometry (XEDS). The phases found are mostly variants of the face centered cubic (fcc) phases (space group Fm3-m), bcc (space group Im3-m), and hexagonal (space group P63/mmc). Adding Ti to the NiCoAlFeCuCr system has strong effects on the solubility of the elements in the different phases and increases dramatically the number of phases present. The use of EBSD and XEDS allowed identification of a cubic phase in NiCoAlFeCu samples, which cannot be identified by XRD alone, and confirmed its identification by XRD in NiCoAlFeCuCr samples. The spatial distribution of phases and the grain structure in the three different samples, measured by EBSD and XEDS, is reported.

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Cruz-Gandarilla F, Coreño-Alonso O, Cabañas-Moreno JG, Chan LH, Gómez-Esparza C, Martínez Sánchez R. Simultaneous XEDS-EBSD Study of NiCoAlFeCu(Cr,Ti) Multi-Component Alloys. Advanced Engineering Materials. 2017 Jan 1. https://doi.org/10.1002/adem.201700215