Impacts of excess vacancies on order-domain growth in D0₃ Fe₃Al intermetallic phase

Okugawa, Masayuki; Watanabe, Madoka; Ichikawa, Satoshi; Sato, Kazuhisa; Liu, Yuheng; Yasuda, Hiroyuki Y.; Koizumi, Yuichiro

doi:https://doi.org/10.1016/j.scriptamat.2025.116812

Impacts of excess vacancies on order-domain growth in D0₃ Fe₃Al intermetallic phase

Okugawa, Masayuki; Watanabe, Madoka; Ichikawa, Satoshi et al.

Scripta Materialia, 2025, 267, 116812

Number of Access:27（2025-09-07 08:58 Counts）

Identifier to cite or link to this item: https://hdl.handle.net/11094/102614

Link to primary information

File	Format	Terms of use	Size	Views	Date.Available	Description	information
ScriptaMater_267	pdf	None	3.33 MB	6	2025.08.29

Creative Commons : Attribution - NonCommercial - NoDerivatives

Item Information

Output File Export EndNote Basic Export Mendeley

Title	Impacts of excess vacancies on order-domain growth in D0₃ Fe₃Al intermetallic phase
Creator	NRID 1000070847160 1000070847160 ORCID 0000-0002-6844-6856 0000-0002-6844-6856 researchmap permalink masayuki.okugawa masayuki.okugawa Scopus Author ID 57202824128 57202824128 CreatorName Okugawa, Masayuki
	CreatorName Watanabe, Madoka
	NRID 1000080403137 1000080403137 ORCID 0000-0003-3597-1045 0000-0003-3597-1045 researchmap permalink satoshiichikawa satoshiichikawa Scopus Author ID 36055779800 36055779800 CreatorName Ichikawa, Satoshi
	NRID 1000070314424 1000070314424 ORCID 0000-0001-9078-2541 0000-0001-9078-2541 researchmap permalink read0158304 read0158304 Scopus Author ID 55552977400 55552977400 CreatorName Sato, Kazuhisa
	NRID 1000000966088 1000000966088 ORCID 0000-0003-1790-1844 0000-0003-1790-1844 researchmap permalink liu-TU liu-TU Scopus Author ID 56195082800 56195082800 CreatorName Liu, Yuheng
	NRID 1000060294021 1000060294021 ORCID 0000-0002-7077-0655 0000-0002-7077-0655 researchmap permalink read0051691 read0051691 Scopus Author ID 47861549600 47861549600 CreatorName Yasuda, Hiroyuki Y.
	NRID 1000010322174 1000010322174 ORCID 0000-0001-7061-7135 0000-0001-7061-7135 researchmap permalink YuichiroKoizumi YuichiroKoizumi Scopus Author ID 57202772340 57202772340 CreatorName Koizumi, Yuichiro
Subject	Antiphase boundary
	Fe₃Al intermetallics
	In-situ TEM observation
	Ordering mobility
Description	Okugawa M., Watanabe M., Ichikawa S., et al. Impacts of excess vacancies on order-domain growth in D0₃ Fe₃Al intermetallic phase. Scripta Materialia 267, 116812 (2025); https://doi.org/10.1016/j.scriptamat.2025.116812.
Abstract	Properties of intermetallic compounds depend on the degree of order and the size of ordered domain (i.e., antiphase domain). Phase-field simulations can predict domain growth. However, precise prediction requires understanding of the ordering mobility. Herein, we examine the impact of excess vacancies on the ordered-domain growth in D0₃-Fe₃Al intermetallics using in-situ transmission electron microscopy (TEM). It was found that ordering mobility is correlated with excess vacancies introduced via rapid quenching from the disordered state. The similarity between the dependence of ordering mobility at 773 K on the quenching temperature and the dependence of equilibrium vacancy concentration on the temperature suggests that the diffusion for migration of domain boundary is dominated by the quenched-in excess vacancies. These findings advance fundamental understanding and enable control over the ordering in intermetallic fabrication through rapid solidification processes, such as powder bed fusion-type additive manufacturing.
Publisher	Acta Materialia Inc
Source Title	Scripta Materialia
Volume (Issue)	267
Page	116812
Date of Issued	2025-06-09
Language	English
Handle URL	https://hdl.handle.net/11094/102614
PISSN	13596462
Relation.isIdenticalTo	DOI (Publisher Version) https://doi.org/10.1016/j.scriptamat.2025.116812
Access Rights	open access
CopyRight	This article is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
oaire:version	Version of Record
Category	学術雑誌論文 Journal Article

Resource Type	journal article
Local Type	Journal Article
DCMI Type	Text
DCTERMS.bibliographicCitation	Scripta Materialia. 2025, 267, p. 116812
DC.title	Impacts of excess vacancies on order-domain growth in D0₃ Fe₃Al intermetallic phase
DC.creator	Okugawa, Masayuki
	Watanabe, Madoka
	Ichikawa, Satoshi
	Sato, Kazuhisa
	Liu, Yuheng
	Yasuda, Hiroyuki Y.
	Koizumi, Yuichiro
DC.publisher	Acta Materialia Inc
DC.language' scheme='DCTERMS.RFC1766	English
DC.type' scheme='DCTERMS.DCMIType	Text
DCTERMS.issued' scheme='DCTERMS.W3CDTF	2025-06-09
DC.identifier	https://doi.org/10.1016/j.scriptamat.2025.116812
DC.subject	Antiphase boundary
	Fe₃Al intermetallics
	In-situ TEM observation
	Ordering mobility
DC.description	Okugawa M., Watanabe M., Ichikawa S., et al. Impacts of excess vacancies on order-domain growth in D0₃ Fe₃Al intermetallic phase. Scripta Materialia 267, 116812 (2025); https://doi.org/10.1016/j.scriptamat.2025.116812.
DCTERMS.abstract	Properties of intermetallic compounds depend on the degree of order and the size of ordered domain (i.e., antiphase domain). Phase-field simulations can predict domain growth. However, precise prediction requires understanding of the ordering mobility. Herein, we examine the impact of excess vacancies on the ordered-domain growth in D0₃-Fe₃Al intermetallics using in-situ transmission electron microscopy (TEM). It was found that ordering mobility is correlated with excess vacancies introduced via rapid quenching from the disordered state. The similarity between the dependence of ordering mobility at 773 K on the quenching temperature and the dependence of equilibrium vacancy concentration on the temperature suggests that the diffusion for migration of domain boundary is dominated by the quenched-in excess vacancies. These findings advance fundamental understanding and enable control over the ordering in intermetallic fabrication through rapid solidification processes, such as powder bed fusion-type additive manufacturing.
DC.rights	This article is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
DC.format	102614
citation_title	Impacts of excess vacancies on order-domain growth in D0₃ Fe₃Al intermetallic phase
citation_author	Okugawa, Masayuki
	Watanabe, Madoka
	Ichikawa, Satoshi
	Sato, Kazuhisa
	Liu, Yuheng
	Yasuda, Hiroyuki Y.
	Koizumi, Yuichiro
citation_publisher	Acta Materialia Inc
citation_language	English
citation_date	2025-06-09
citation_journal_title	Scripta Materialia
citation_volume	267
citation_firstpage	116812
citation_doi	https://doi.org/10.1016/j.scriptamat.2025.116812
citation_public_url	https://hdl.handle.net/11094/102614

Impacts of excess vacancies on order-domain growth in D0₃ Fe₃Al intermetallic phase

Link to primary information

Item Information

Show details