Formation Mechanism of Nano-Strengthening Particles in Dispersion Strengthened W-Ti Alloys
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- NOTO Hiroyuki
- National Institute for Fusion Science
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- HISHINUMA Yoshimitsu
- National Institute for Fusion Science
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- MUROGA Takeo
- National Institute for Fusion Science
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- BENOKI Hideo
- Nippon Tungsten Co., Ltd.
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<p>The realization of advanced fusion reactors rests upon improvements of plasma-facing materials for divertors. The toughness of tungsten is a critical issue for these improvements. As a solution, we developed dispersion-strengthened (DS) W-Ti alloys using a new process which is based on a combination of mechanical alloying (MA) and hot isostatic pressing. In this paper, the microstructure of new DS-W-Ti alloys and the formation mechanism of nano-strengthening particles are investigated. The produced DS-W-Ti alloys are dispersed with TiO2. The chemical analysis shows that new precipitation processes occurred during the MA based on redox reactions between carbon and oxygen.</p>
収録刊行物
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- Plasma and Fusion Research
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Plasma and Fusion Research 15 (0), 1205021-1205021, 2020-04-15
一般社団法人 プラズマ・核融合学会
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詳細情報 詳細情報について
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- CRID
- 1390566775133001344
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- NII論文ID
- 130007840521
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- NII書誌ID
- AA12346675
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- ISSN
- 18806821
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- HANDLE
- 10655/00012992
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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
- IRDB
- Crossref
- CiNii Articles
- KAKEN
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