Microstructure of Ti-Cr Nanoparticles Prepared by Electrical Wire Explosion
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- Lee Sujeong
- Mineral Resource Research Division, Korea Insititute of Geoscience and Mineral Resources
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- Kim Wonbaek
- Mineral Resource Research Division, Korea Insititute of Geoscience and Mineral Resources
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- Park Je-shin
- Division of Advanced Materials Engineering, Chonbuk National University
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- Suh Chang-yul
- Mineral Resource Research Division, Korea Insititute of Geoscience and Mineral Resources
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- Cho Sung-wook
- Mineral Resource Research Division, Korea Insititute of Geoscience and Mineral Resources
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The reaction products of electrical wire explosion with 25 at% Cr-coated Ti wire were identified as β-TiCr2, α-Ti, β(Ti,Cr) and α-TiCr2 based on the selected area electron diffraction patterns. There was a bimodal size distribution where Ti-Cr particles were 40–50 nm in size, and fine particles less than 10 nm were determined to be pure Ti or Cr. The Ti-Cr nanoparticles are not only a mixture of Ti-Cr phases but they are also heterogeneous themselves at a single particle level, due to the non-equilibrium effects of the EWE process. The very rapid collision and subsequent coalescence of Ti and Cr atom clusters are believed to have contributed to the formation of chemically segregated particles.
収録刊行物
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- MATERIALS TRANSACTIONS
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MATERIALS TRANSACTIONS 52 (2), 135-138, 2011
公益社団法人 日本金属学会
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詳細情報 詳細情報について
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- CRID
- 1390282679227263488
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- NII論文ID
- 10027837442
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- NII書誌ID
- AA1151294X
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- ISSN
- 13475320
- 13459678
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- NDL書誌ID
- 10958785
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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
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