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jwri34_02_045
pdf
407 KB
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論文情報
タイトル
Freeform Fabrication of Intermetallic Alloys by 3D Micro Welding
著者
Miyamoto, Yoshinari
Miyamoto, Yoshinari
Terakubo, Masayuki
Terakubo, Masayuki
Katou, Tomohiro
Katou, Tomohiro
Oh, Janghwan
Oh, Janghwan
Kirihara, Soshu
Kirihara, Soshu
Matsuura, Kiyotaka
Matsuura, Kiyotaka
Kudoh, Masayuki
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.
公開者
大阪大学接合科学研究所
公開者の別表記
Joining and Welding Research Institute, Osaka University
公開者 (ヨミ)
オオサカ ダイガク セツゴウ カガク ケンキュウジョ
掲載誌名
Transactions of JWRI
巻
34
号
2
開始ページ
45
終了ページ
49
刊行年月
2005-12
ISSN
03874508
NCID
AA00867058
URL
http://hdl.handle.net/11094/4143
言語
英語
カテゴリ
紀要論文 Departmental Bulletin Paper
Transactions of JWRI / Vol.34 No.2 (2005-12)
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著者版フラグ
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text
DCTERMS.bibliographicCitation
Transactions of JWRI.34(2) P.45-P.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
DC.language" scheme="DCTERMS.RFC1766
英語
DCTERMS.issued" scheme="DCTERMS.W3CDTF
2005-12
DC.identifier" scheme="DCTERMS.URI
http://hdl.handle.net/11094/4143
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.
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_issn
03874508
citation_public_url
http://hdl.handle.net/11094/4143
citation_keywords
Freeform fabrication
3D micro welding
Intermetallic alloy
3D objects