書誌事項
- タイトル別名
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- Semi-Solid Forming Process of Austenitic Stainless Steel
- オーステナイトケイ ステンレス コウ ノ ハンヨウユウ セイケイ カコウ
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説明
In order to develop the near net shaping process of austenitic stainless steels (UNS : s30400) by semi-solid extrusion forming process, microstructure controlling technology and forming technology of this material in the semi-solid state were investigated. Effects of forming temperature, forming rate, and forming pressure on the form ability of its slurry into a metallic mold were studied. Rapid heating of the material before forming into the mold is needed to avoid coarsening of grains in the semi-solid state, but no homogeneous temperature distribution and homogeneous microstructure are obtained. In the case of rapid forming, the liquid phase is injected into the mold preferentially and segregation of the solid and liquid phases occurs. In the case of slow forming, such segregation does not occur, but good fulfillment is not obtained because of rapid cooling caused by sufficient contact with the metallic mold. When these parameters are optimized, defect-free formings are obtained, as are good surface products. By using a stainless steel wire net in place of a multi-hole die, high fluidity and homogeneous microstructures are obtained even at low forming rates. Two- or three-dimensional shape plates can also be formed by optimizing these parameters.
収録刊行物
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- 鋳造工学
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鋳造工学 77 (8), 554-560, 2005
公益社団法人 日本鋳造工学会
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詳細情報 詳細情報について
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- CRID
- 1390001206507176064
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- NII論文ID
- 130004556546
- 10016682787
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- NII書誌ID
- AN10514770
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- ISSN
- 21855374
- 13420429
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- NDL書誌ID
- 7453428
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDLサーチ
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可
