Design and development of Ti–Zr–Hf–Nb–Ta–Mo high-entropy alloys for metallic biomaterials

Iijima, Yuuka; Nagase, Takeshi; Matsugaki, Aira; Wang, Pan; Ameyama, Kei; Nakano, Takayoshi

doi:https://doi.org/10.1016/j.matdes.2021.109548

Design and development of Ti–Zr–Hf–Nb–Ta–Mo high-entropy alloys for metallic biomaterials

Iijima, Yuuka; Nagase, Takeshi; Matsugaki, Aira et al.

Materials and Design, 2021, 202, 109548

アクセス数:161件（2025-04-03 22:22 集計）

固定URL: https://hdl.handle.net/11094/89788

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タイトル	Design and development of Ti–Zr–Hf–Nb–Ta–Mo high-entropy alloys for metallic biomaterials
著者	著者名 Iijima, Yuuka
	NRID 1000050362661 1000050362661 著者名 Nagase, Takeshi
	NRID 1000010592529 1000010592529 ORCID 0000-0002-8427-7124 0000-0002-8427-7124 researchmap permalink aira aira Scopus Author ID 24172720900 24172720900 著者名 Matsugaki, Aira
	著者名 Wang, Pan
	NRID 1000010184243 1000010184243 著者名 Ameyama, Kei
	NRID 1000030243182 1000030243182 ORCID 0000-0001-8052-1698 0000-0001-8052-1698 researchmap permalink read0013987 read0013987 Scopus Author ID 7403896013 7403896013 著者名 Nakano, Takayoshi
キーワード等	Alloy design
	Biocompatibility
	Biomaterials
	High-entropy alloys
	Solidification
	Thermodynamic calculation
内容	Iijima Y., Nagase T., Matsugaki A., et al. Design and development of Ti–Zr–Hf–Nb–Ta–Mo high-entropy alloys for metallic biomaterials. Materials and Design, 202, 109548. https://doi.org/10.1016/j.matdes.2021.109548.
抄録	Applying empirical alloy parameters (including Mo equivalent), the predicted ground state diagram, and thermodynamic calculations, noble nonequiatomic Ti–Zr–Hf–Nb–Ta–Mo high-entropy alloys for metallic biomaterials (BioHEAs) were designed and newly developed. It is found that the Moeq and valence electron concentration (VEC) parameters are useful for alloy design involving BCC structure formation in bio medium-entropy alloys and BioHEAs. Finally, we find a Ti28.33Zr28.33Hf28.33Nb6.74Ta6.74Mo1.55 (at.%) BioHEA that exhibits biocompatibility comparable to that of CP–Ti, higher mechanical strength than CP–Ti, and an appreciable room-temperature tensile ductility. The current findings pave the way for new Ti–Zr–Hf–Nb–Ta–Mo BioHEAs development and are applicable for another BioHEA alloys system.
出版者	Elsevier
収録物名	Materials and Design
巻(号)	202
ページ	109548
刊行年月	2021-04-01
言語	英語
ハンドルURL	https://hdl.handle.net/11094/89788
PISSN	02641275
eISSN	18734197
関連情報 (isIdenticalTo)	DOI (出版社版) https://doi.org/10.1016/j.matdes.2021.109548
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
DCMI資源タイプ	text
DCTERMS.bibliographicCitation	Materials and Design. 2021, 202, p. 109548
DC.title	Design and development of Ti–Zr–Hf–Nb–Ta–Mo high-entropy alloys for metallic biomaterials
DC.creator	Iijima, Yuuka
	Nagase, Takeshi
	Matsugaki, Aira
	Wang, Pan
	Ameyama, Kei
	Nakano, Takayoshi
DC.publisher	Elsevier
DC.language' scheme='DCTERMS.RFC1766	英語
DC.type' scheme='DCTERMS.DCMIType	text
DCTERMS.issued' scheme='DCTERMS.W3CDTF	2021-04-01
DC.identifier	https://doi.org/10.1016/j.matdes.2021.109548
DC.subject	Alloy design
	Biocompatibility
	Biomaterials
	High-entropy alloys
	Solidification
	Thermodynamic calculation
DC.description	Iijima Y., Nagase T., Matsugaki A., et al. Design and development of Ti–Zr–Hf–Nb–Ta–Mo high-entropy alloys for metallic biomaterials. Materials and Design, 202, 109548. https://doi.org/10.1016/j.matdes.2021.109548.
DCTERMS.abstract	Applying empirical alloy parameters (including Mo equivalent), the predicted ground state diagram, and thermodynamic calculations, noble nonequiatomic Ti–Zr–Hf–Nb–Ta–Mo high-entropy alloys for metallic biomaterials (BioHEAs) were designed and newly developed. It is found that the Moeq and valence electron concentration (VEC) parameters are useful for alloy design involving BCC structure formation in bio medium-entropy alloys and BioHEAs. Finally, we find a Ti28.33Zr28.33Hf28.33Nb6.74Ta6.74Mo1.55 (at.%) BioHEA that exhibits biocompatibility comparable to that of CP–Ti, higher mechanical strength than CP–Ti, and an appreciable room-temperature tensile ductility. The current findings pave the way for new Ti–Zr–Hf–Nb–Ta–Mo BioHEAs development and are applicable for another BioHEA alloys system.
DC.rights	This article is licensed under a Creative Commons Attribution 4.0 International License.
DC.format	89788
citation_title	Design and development of Ti–Zr–Hf–Nb–Ta–Mo high-entropy alloys for metallic biomaterials
citation_author	Iijima, Yuuka
	Nagase, Takeshi
	Matsugaki, Aira
	Wang, Pan
	Ameyama, Kei
	Nakano, Takayoshi
citation_publisher	Elsevier
citation_language	英語
citation_date	2021-04-01
citation_journal_title	Materials and Design
citation_volume	202
citation_firstpage	109548
citation_doi	https://doi.org/10.1016/j.matdes.2021.109548
citation_public_url	https://hdl.handle.net/11094/89788

Design and development of Ti–Zr–Hf–Nb–Ta–Mo high-entropy alloys for metallic biomaterials

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