書誌事項
- タイトル別名
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- Forming of TiAl Intermetallic Compound by Semisolid Process with Blended Elemental Powders
- コンゴウソ フンマツ オ モチイタ ハンヨウユウホウ ニ ヨル TiAl キンゾク カン カゴウブツ ノ セイケイ
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抄録
The semisolid forming of blended elemental powders is well suited for intermetallic compounds because of the large forming ability. However, the preforms of blended elemental powders in semi-solid state are readily susceptible to combustion synthesis so that the fluidity is limited. In this paper, the forming limitations of the preforms of blended titanium-aluminum elemental powders (Ti-38 mass % Al) are evaluated using Differential Thermal Analysis (DTA). In addition, optimum conditions of succeeding diffusive alloying for pore-free compacts are discussed.<br> Results indicate that the synthetical energy degrades for cases of a longer ball-milling time and/or higher preform preparing pressure, causing combustion synthesis to occur earlier. The melting of aluminum during the following alloying heat treatment generates unwanted porosity in the compact. To suppress the porosity, the compact must be kept below the melting point of aluminum before the alloying heat treatment.
収録刊行物
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- 鋳造工学
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鋳造工学 73 (6), 357-361, 2001
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
- 1390001206508119040
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- NII論文ID
- 10007484064
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- NII書誌ID
- AN10514770
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- ISSN
- 21855374
- 13420429
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- NDL書誌ID
- 5807050
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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
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可