Resolving the long-standing discrepancy in Fe3Al ordering mobilities: A synergistic experimental and phase-field study

Liu, Yuheng; Watanabe, Madoka; Okugawa, Masayuki; Hagiwara, Takashi; Sato, Tsubasa; Seguchi, Yusuke; Adachi, Yoshitaka; Minamino, Yoritoshi; Koizumi, Yuichiro

doi:https://doi.org/10.1016/j.actamat.2024.119958

Resolving the long-standing discrepancy in Fe3Al ordering mobilities: A synergistic experimental and phase-field study

Liu, Yuheng; Watanabe, Madoka; Okugawa, Masayuki et al.

Acta Materialia, 2024, 273, 119958

アクセス数:920件（2025-08-16 08:43 集計）

固定URL: https://hdl.handle.net/11094/97646

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タイトル	Resolving the long-standing discrepancy in Fe3Al ordering mobilities: A synergistic experimental and phase-field study
著者	著者名 Liu, Yuheng
	著者名 Watanabe, Madoka
	NRID 1000070847160 1000070847160 ORCID 0000-0002-6844-6856 0000-0002-6844-6856 researchmap permalink masayuki.okugawa masayuki.okugawa Scopus Author ID 57202824128 57202824128 著者名 Okugawa, Masayuki
	著者名 Hagiwara, Takashi
	著者名 Sato, Tsubasa
	著者名 Seguchi, Yusuke
	NRID 1000090370311 1000090370311 著者名 Adachi, Yoshitaka
	著者名 Minamino, Yoritoshi
	NRID 1000010322174 1000010322174 ORCID 0000-0001-7061-7135 0000-0001-7061-7135 researchmap permalink YuichiroKoizumi YuichiroKoizumi Scopus Author ID 57202772340 57202772340 著者名 Koizumi, Yuichiro
キーワード等	Antiphase boundary
	Fe3Al
	Ordering mobility
	Phase-field simulation
	Transmission electron microscopy
内容	Liu Y., Watanabe M., Okugawa M., et al. Resolving the long-standing discrepancy in Fe3Al ordering mobilities: A synergistic experimental and phase-field study. Acta Materialia 273, 119958 (2024); https://doi.org/10.1016/j.actamat.2024.119958.
抄録	This study addressed the long-standing challenge of determining the growth kinetic of Antiphase Domains (APDs) with D03-ordered structure in Fe3Al by the combination of phase-field (PF) simulations and transmission electron microscopy (TEM) observation. The “shape coefficient” which correlates the growth rate of APD with 3-dimensional intricate shape and the shrinking rate of 2-dimensional circular antiphase boundaries (APBs) in thin film was assessed through a comparative analysis of PF simulations involving the shrinking of 2D circular APBs and the growth of 3D APDs emerged from a disordered state. Simultaneously, the increase rate in APD size in bulk samples after heat treatment was measured using TEM. By incorporating the calculated shape coefficient and experimental data on APD growth rates, we successfully derived accurate values of mobility for forming D03 type ordered structure. The ordering mobilities evaluated by this approach align more closely with those obtained through traditional X-ray powder diffraction of order-order relaxation rather than those obtained through in-situ TEM observation. This finding lays the foundation for optimizing heat treatment conditions to regulate APD structure and enhance the superelasticity of Fe3Al primarily due to the interaction between dislocation and APBs. This methodology can be extended to estimate the ordering mobility of other intermetallic.
出版者	Elsevier B.V.
収録物名	Acta Materialia
巻(号)	273
ページ	119958
刊行年月	2024-07-01
言語	英語
ハンドルURL	https://hdl.handle.net/11094/97646
PISSN	13596454
関連情報 (isIdenticalTo)	DOI (出版社版) https://doi.org/10.1016/j.actamat.2024.119958
アクセス権	open access
権利情報	This article is licensed under a Creative Commons Attribution 4.0 International License.
出版タイプ	Version of Record
カテゴリ	学術雑誌論文 Journal Article

資源タイプ	学術雑誌論文
ローカル資源タイプ	学術雑誌論文
DCTERMS.bibliographicCitation	Acta Materialia. 2024, 273, p. 119958
DC.title	Resolving the long-standing discrepancy in Fe3Al ordering mobilities: A synergistic experimental and phase-field study
DC.creator	Liu, Yuheng
	Watanabe, Madoka
	Okugawa, Masayuki
	Hagiwara, Takashi
	Sato, Tsubasa
	Seguchi, Yusuke
	Adachi, Yoshitaka
	Minamino, Yoritoshi
	Koizumi, Yuichiro
DC.publisher	Elsevier B.V.
DC.language' scheme='DCTERMS.RFC1766	英語
DCTERMS.issued' scheme='DCTERMS.W3CDTF	2024-07-01
DC.identifier	https://doi.org/10.1016/j.actamat.2024.119958
DC.subject	Antiphase boundary
	Fe3Al
	Ordering mobility
	Phase-field simulation
	Transmission electron microscopy
DC.description	Liu Y., Watanabe M., Okugawa M., et al. Resolving the long-standing discrepancy in Fe3Al ordering mobilities: A synergistic experimental and phase-field study. Acta Materialia 273, 119958 (2024); https://doi.org/10.1016/j.actamat.2024.119958.
DCTERMS.abstract	This study addressed the long-standing challenge of determining the growth kinetic of Antiphase Domains (APDs) with D03-ordered structure in Fe3Al by the combination of phase-field (PF) simulations and transmission electron microscopy (TEM) observation. The “shape coefficient” which correlates the growth rate of APD with 3-dimensional intricate shape and the shrinking rate of 2-dimensional circular antiphase boundaries (APBs) in thin film was assessed through a comparative analysis of PF simulations involving the shrinking of 2D circular APBs and the growth of 3D APDs emerged from a disordered state. Simultaneously, the increase rate in APD size in bulk samples after heat treatment was measured using TEM. By incorporating the calculated shape coefficient and experimental data on APD growth rates, we successfully derived accurate values of mobility for forming D03 type ordered structure. The ordering mobilities evaluated by this approach align more closely with those obtained through traditional X-ray powder diffraction of order-order relaxation rather than those obtained through in-situ TEM observation. This finding lays the foundation for optimizing heat treatment conditions to regulate APD structure and enhance the superelasticity of Fe3Al primarily due to the interaction between dislocation and APBs. This methodology can be extended to estimate the ordering mobility of other intermetallic.
DC.rights	This article is licensed under a Creative Commons Attribution 4.0 International License.
DC.format	97646
citation_title	Resolving the long-standing discrepancy in Fe3Al ordering mobilities: A synergistic experimental and phase-field study
citation_author	Liu, Yuheng
	Watanabe, Madoka
	Okugawa, Masayuki
	Hagiwara, Takashi
	Sato, Tsubasa
	Seguchi, Yusuke
	Adachi, Yoshitaka
	Minamino, Yoritoshi
	Koizumi, Yuichiro
citation_publisher	Elsevier B.V.
citation_language	英語
citation_date	2024-07-01
citation_journal_title	Acta Materialia
citation_volume	273
citation_firstpage	119958
citation_doi	https://doi.org/10.1016/j.actamat.2024.119958
citation_public_url	https://hdl.handle.net/11094/97646

Resolving the long-standing discrepancy in Fe3Al ordering mobilities: A synergistic experimental and phase-field study

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