Freeform Fabrication of Intermetallic Alloys by 3D Micro Welding

Miyamoto, Yoshinari; Terakubo, Masayuki; Katou, Tomohiro; Oh, Janghwan; Kirihara, Soshu; Matsuura, Kiyotaka; Kudoh, Masayuki

doi:https://doi.org/10.18910/4143

Freeform Fabrication of Intermetallic Alloys by 3D Micro Welding

Miyamoto, Yoshinari; Terakubo, Masayuki; Katou, Tomohiro et al.

Transactions of JWRI, 2005, 34(2), 45-49

アクセス数:544件（2025-07-11 14:08 集計）

固定URL: https://doi.org/10.18910/4143

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タイトル	Freeform Fabrication of Intermetallic Alloys by 3D Micro Welding
著者	NRID 1000060107084 1000060107084 著者名 Miyamoto, Yoshinari
	著者名 Terakubo, Masayuki
	著者名 Katou, Tomohiro
	著者名 Oh, Janghwan
	NRID 1000040362587 1000040362587 researchmap permalink sohsu-kirihara sohsu-kirihara Scopus Author ID 7003850191 7003850191 著者名 Kirihara, Soshu
	NRID 1000060142692 1000060142692 著者名 Matsuura, Kiyotaka
	NRID 1000000001248 1000000001248 著者名 Kudoh, Masayuki
キーワード等	Freeform fabrication
	3D micro welding
	Intermetallic alloy
	3D objects
抄録	A novel freeform fabrication method for refractory metals named 3D Micro Welding (3DMW) has been proposed, which is rapid prototyping combined with TIG (Tungsten Inert Gas) welding. Formation of beads and simple pin objects composed of Ti-Ni and Ti-Fe intermetallic alloy phases was attempted. As the peak arc current increased from 5A to 30A, the bead diameter increased in both systems. Ti, Ti₂Ni and TiNi phases were formed in the Ti-Ni system, and Ti, TiFe and TiFe₂ phases in the Ti-Fe system. Simple intermetallic alloy pin objects of these two systems were formed by alternate stacking of their component wires and their microstructures were observed. No pores or cracks were observed and the uniform composition remained. Exothermic SHS reactions should take place and assist the intermetallic alloy formation. 3D titanium objects of ring and double helix shapes were formed directly from their computer models without using molds or dies.
出版者	大阪大学接合科学研究所
	オオサカダイガクセツゴウカガクケンキュウジョ
	Joining and Welding Research Institute, Osaka University
収録物名	Transactions of JWRI
巻(号)	34(2)
ページ	45-49
刊行年月	2005-12
言語	英語
ハンドルURL	https://hdl.handle.net/11094/4143
DOI	https://doi.org/10.18910/4143
PISSN	03874508
NCID	AA00867058
アクセス権	open access
出版タイプ	Version of Record
カテゴリ	紀要論文 Departmental Bulletin Paper
カテゴリ	Transactions of JWRI / Vol.34 No.2 (2005-12)

資源タイプ	紀要論文
ローカル資源タイプ	紀要論文
DCMI資源タイプ	text
DCTERMS.bibliographicCitation	Transactions of JWRI. 2005, 34(2), p. 45-49
DC.title	Freeform Fabrication of Intermetallic Alloys by 3D Micro Welding
DC.creator	Miyamoto, Yoshinari
	Terakubo, Masayuki
	Katou, Tomohiro
	Oh, Janghwan
	Kirihara, Soshu
	Matsuura, Kiyotaka
	Kudoh, Masayuki
DC.publisher	大阪大学接合科学研究所
	オオサカダイガクセツゴウカガクケンキュウジョ
	Joining and Welding Research Institute, Osaka University
DC.language' scheme='DCTERMS.RFC1766	英語
DC.type' scheme='DCTERMS.DCMIType	text
DCTERMS.issued' scheme='DCTERMS.W3CDTF	2005-12
DC.subject	Freeform fabrication
	3D micro welding
	Intermetallic alloy
	3D objects
DCTERMS.abstract	A novel freeform fabrication method for refractory metals named 3D Micro Welding (3DMW) has been proposed, which is rapid prototyping combined with TIG (Tungsten Inert Gas) welding. Formation of beads and simple pin objects composed of Ti-Ni and Ti-Fe intermetallic alloy phases was attempted. As the peak arc current increased from 5A to 30A, the bead diameter increased in both systems. Ti, Ti₂Ni and TiNi phases were formed in the Ti-Ni system, and Ti, TiFe and TiFe₂ phases in the Ti-Fe system. Simple intermetallic alloy pin objects of these two systems were formed by alternate stacking of their component wires and their microstructures were observed. No pores or cracks were observed and the uniform composition remained. Exothermic SHS reactions should take place and assist the intermetallic alloy formation. 3D titanium objects of ring and double helix shapes were formed directly from their computer models without using molds or dies.
DC.identifier	10.18910/4143
DC.format	4143
citation_title	Freeform Fabrication of Intermetallic Alloys by 3D Micro Welding
citation_author	Miyamoto, Yoshinari
	Terakubo, Masayuki
	Katou, Tomohiro
	Oh, Janghwan
	Kirihara, Soshu
	Matsuura, Kiyotaka
	Kudoh, Masayuki
citation_publisher	大阪大学接合科学研究所
citation_language	英語
citation_date	2005-12
citation_journal_title	Transactions of JWRI
citation_volume	34
citation_issue	2
citation_firstpage	45
citation_lastpage	49
citation_public_url	https://hdl.handle.net/11094/4143
citation_doi_detail	10.18910/4143
citation_doi	https://doi.org/10.18910/4143

Freeform Fabrication of Intermetallic Alloys by 3D Micro Welding

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