Experimental investigations of fcc/bcc phase equilibria in the Cr–Mn–Ni ternary system

Haoge Li; Jingjing Ruan; Nobufumi Ueshima; Katsunari Oikawa

doi:10.1016/j.intermet.2020.106994

Experimental investigations of fcc/bcc phase equilibria in the Cr–Mn–Ni ternary system

Haoge Li, Jingjing Ruan, Nobufumi Ueshima, Katsunari Oikawa

工学研究科・金属フロンティア工学専攻

研究成果: Article › 査読

1 被引用数 (Scopus)

抄録

Cr–Mn–Ni ternary alloys have been experimentally studied. Three different isothermal sections have been characterized at 1000 °C, 1100 °C and 1200 °C via Metallography, X-ray diffraction (XRD) and electron probe micro analyzer (EPMA). The results are summarized as follows: (1) the solubility of Ni in the bcc-(Cr) phase was small; (2) the solubility of Ni in bcc-(Cr) phase slightly increases as the temperature increases from 1000 to 1200 °C; (3) the σ-CrMn₄ phase with 12 at. % solubility of Ni is observed at 1000 °C; (4) the fcc-(Ni) phase with a large solubility of Cr is observed at 1000, 1100, and 1200 °C, respectively. The experimental information obtained from this study is useful for the thermodynamic assessment of the Cr–Mn–Ni ternary system, and the development of databases in high entropy alloys of the Co–Cr–Fe–Mn–Ni system.

本文言語	English
論文番号	106994
ジャーナル	Intermetallics
巻	127
DOI	https://doi.org/10.1016/j.intermet.2020.106994
出版ステータス	Published - 2020 12

ASJC Scopus subject areas

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

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10.1016/j.intermet.2020.106994

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引用スタイル

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title = "Experimental investigations of fcc/bcc phase equilibria in the Cr–Mn–Ni ternary system",

abstract = "Cr–Mn–Ni ternary alloys have been experimentally studied. Three different isothermal sections have been characterized at 1000 °C, 1100 °C and 1200 °C via Metallography, X-ray diffraction (XRD) and electron probe micro analyzer (EPMA). The results are summarized as follows: (1) the solubility of Ni in the bcc-(Cr) phase was small; (2) the solubility of Ni in bcc-(Cr) phase slightly increases as the temperature increases from 1000 to 1200 °C; (3) the σ-CrMn4 phase with 12 at. % solubility of Ni is observed at 1000 °C; (4) the fcc-(Ni) phase with a large solubility of Cr is observed at 1000, 1100, and 1200 °C, respectively. The experimental information obtained from this study is useful for the thermodynamic assessment of the Cr–Mn–Ni ternary system, and the development of databases in high entropy alloys of the Co–Cr–Fe–Mn–Ni system.",

keywords = "Cr–Mn–Ni ternary System, High entropy alloys, Isothermal sections, Microstructure, Phase diagrams, X-ray diffraction",

author = "Haoge Li and Jingjing Ruan and Nobufumi Ueshima and Katsunari Oikawa",

note = "Funding Information: This work was supported by a Grant-in-Aid for Scientific Research on Innovative Areas “High Entropy Alloys - Science of New Class of Materials Based on Elemental Multiplicity and Heterogeneity” ( JSPS KAKENHI Grant Number 18H05454 ).",

year = "2020",

month = dec,

doi = "10.1016/j.intermet.2020.106994",

language = "English",

volume = "127",

journal = "Intermetallics",

issn = "0966-9795",

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T1 - Experimental investigations of fcc/bcc phase equilibria in the Cr–Mn–Ni ternary system

AU - Li, Haoge

AU - Ruan, Jingjing

AU - Ueshima, Nobufumi

AU - Oikawa, Katsunari

N1 - Funding Information: This work was supported by a Grant-in-Aid for Scientific Research on Innovative Areas “High Entropy Alloys - Science of New Class of Materials Based on Elemental Multiplicity and Heterogeneity” ( JSPS KAKENHI Grant Number 18H05454 ).

PY - 2020/12

Y1 - 2020/12

N2 - Cr–Mn–Ni ternary alloys have been experimentally studied. Three different isothermal sections have been characterized at 1000 °C, 1100 °C and 1200 °C via Metallography, X-ray diffraction (XRD) and electron probe micro analyzer (EPMA). The results are summarized as follows: (1) the solubility of Ni in the bcc-(Cr) phase was small; (2) the solubility of Ni in bcc-(Cr) phase slightly increases as the temperature increases from 1000 to 1200 °C; (3) the σ-CrMn4 phase with 12 at. % solubility of Ni is observed at 1000 °C; (4) the fcc-(Ni) phase with a large solubility of Cr is observed at 1000, 1100, and 1200 °C, respectively. The experimental information obtained from this study is useful for the thermodynamic assessment of the Cr–Mn–Ni ternary system, and the development of databases in high entropy alloys of the Co–Cr–Fe–Mn–Ni system.

AB - Cr–Mn–Ni ternary alloys have been experimentally studied. Three different isothermal sections have been characterized at 1000 °C, 1100 °C and 1200 °C via Metallography, X-ray diffraction (XRD) and electron probe micro analyzer (EPMA). The results are summarized as follows: (1) the solubility of Ni in the bcc-(Cr) phase was small; (2) the solubility of Ni in bcc-(Cr) phase slightly increases as the temperature increases from 1000 to 1200 °C; (3) the σ-CrMn4 phase with 12 at. % solubility of Ni is observed at 1000 °C; (4) the fcc-(Ni) phase with a large solubility of Cr is observed at 1000, 1100, and 1200 °C, respectively. The experimental information obtained from this study is useful for the thermodynamic assessment of the Cr–Mn–Ni ternary system, and the development of databases in high entropy alloys of the Co–Cr–Fe–Mn–Ni system.

KW - Cr–Mn–Ni ternary System

KW - High entropy alloys

KW - Isothermal sections

KW - Microstructure

KW - Phase diagrams

KW - X-ray diffraction

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