書誌事項
- タイトル別名
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- Fabrication of Micro-Noncircular Multicore Tubes Using Superplastic Dieless<br>Drawing Process
- チョウソセイ ダイレス ヒキヌキ ニ ヨル マイクロ イケイ シュウゴウカン ノ ソウセイ
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A superplastic dieless drawing process that uses no dies or tools is applied to the drawing of a Zn-22Al superplastic alloy for fabricating micro-noncircular tubes such as square, rectangular and noncircular multicore tubes combined with inner square and outer rectangular section tubes. In this study, the effects of heating conditions such as heating length and the use or nonuse of a cooling device on deformation behavior are investigated. As a result, a micro-square tube with a 0.58mm side and a micro-rectangular tube of 0.75×1.3mm were fabricated after 3-pass superplastic dieless drawing. In addition, the fundamental deformation behavior of noncircular tubes combined with square and rectangular tubes during the dieless drawing process has been clarified experimentally. The cross-sectional shape of the noncircular tubes after the superplastic dieless drawing process tends to be maintained on basis of the similarity law in the case of a large heating condition compared with a narrow heating condition. Furthermore, a micro- noncircular tube, which has inner square tubes with a 335μm side, and an outer rectangular tube of 533×923μm were fabricated successfully after a 4-pass superplastic dieless drawing process. Consequently, it is found that superplastic dieless drawing for the fabrication of noncircular multicore tubes is quite effective.
収録刊行物
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- 塑性と加工
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塑性と加工 52 (602), 380-384, 2011
一般社団法人 日本塑性加工学会
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詳細情報 詳細情報について
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- CRID
- 1390282681475831808
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- NII論文ID
- 10027963434
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- NII書誌ID
- AN00135062
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- COI
- 1:CAS:528:DC%2BC3MXltVylurs%3D
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- ISSN
- 18820166
- 00381586
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- NDL書誌ID
- 11051536
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
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- 抄録ライセンスフラグ
- 使用不可