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jwri40_02_059
pdf
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論文情報
タイトル
Fabrication of High-strength Cu40ZnSnTi Brass via Powder Metallurgy and Hot Extrusion
著者
Li, Shufeng
Li, Shufeng
Imai, Hisashi
Imai, Hisashi
Atsumi, Haruhiko
Atsumi, Haruhiko
Kondoh, Katsuyoshi
Kondoh, Katsuyoshi
著者 (ヨミ)
イマイ, ヒサシ
アツミ, ハルヒコ
コンドウ, カツヨシ
キーワード等
Brass
Powder metallurgy
Extrusion
Microstructure
Mechanical property
抄録
The super-saturated solid solution of Ti in water-atomized BS40-1.0Ti (Cu-40wt%Zn1.0wt%Ti) brass powder creates a high chemical potential for the precipitation reaction. However, Ti readily segregates in the primary particle boundaries at elevated temperatures, which detrimentally affectes the mechanical properties of the extruded BS40-1.0Ti brass via powder metallurgy (P/M). Accordingly, Sn was proposed as an additive in BS40-0.6Sn1.0Ti (Cu-40wt%Zn0.6wt%Sn1.0wt%Ti) to inhibit Ti segregation. Consequently, the Ti precipitates were retained as CuSn₃Ti₅ compound in both interior grains and grain boundaries rather than in the primary particle boundaries. This result demonstrates that Sn addition can effectively obstruct Ti segregation in the primary particle boundaries, and showed a significant grain refinement and mechanical strengthening effect on BS40-0.6Sn1.0Ti brass.
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
40
号
2
開始ページ
59
終了ページ
62
刊行年月
2011-12
ISSN
03874508
NCID
AA00867058
URL
http://hdl.handle.net/11094/3776
言語
英語
カテゴリ
紀要論文 Departmental Bulletin Paper
Transactions of JWRI / Vol.40 No.2 (2011-12)
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著者版フラグ
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text
DCTERMS.bibliographicCitation
Transactions of JWRI.40(2) P.59-P.62
DC.title
Fabrication of High-strength Cu40ZnSnTi Brass via Powder Metallurgy and Hot Extrusion
DC.creator
Li, Shufeng
Imai, Hisashi
Atsumi, Haruhiko
Kondoh, Katsuyoshi
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
2011-12
DC.identifier" scheme="DCTERMS.URI
http://hdl.handle.net/11094/3776
DC.subject
Brass
Powder metallurgy
Extrusion
Microstructure
Mechanical property
DCTERMS.abstract
The super-saturated solid solution of Ti in water-atomized BS40-1.0Ti (Cu-40wt%Zn1.0wt%Ti) brass powder creates a high chemical potential for the precipitation reaction. However, Ti readily segregates in the primary particle boundaries at elevated temperatures, which detrimentally affectes the mechanical properties of the extruded BS40-1.0Ti brass via powder metallurgy (P/M). Accordingly, Sn was proposed as an additive in BS40-0.6Sn1.0Ti (Cu-40wt%Zn0.6wt%Sn1.0wt%Ti) to inhibit Ti segregation. Consequently, the Ti precipitates were retained as CuSn₃Ti₅ compound in both interior grains and grain boundaries rather than in the primary particle boundaries. This result demonstrates that Sn addition can effectively obstruct Ti segregation in the primary particle boundaries, and showed a significant grain refinement and mechanical strengthening effect on BS40-0.6Sn1.0Ti brass.
citation_title
Fabrication of High-strength Cu40ZnSnTi Brass via Powder Metallurgy and Hot Extrusion
citation_author
Li, Shufeng
Imai, Hisashi
Atsumi, Haruhiko
Kondoh, Katsuyoshi
citation_publisher
大阪大学接合科学研究所
citation_language
英語
citation_date
2011-12
citation_journal_title
Transactions of JWRI
citation_volume
40
citation_issue
2
citation_firstpage
59
citation_lastpage
62
citation_issn
03874508
citation_public_url
http://hdl.handle.net/11094/3776
citation_keywords
Brass
Powder metallurgy
Extrusion
Microstructure
Mechanical property