Microstructure and Mechanical Properties of Ti-B-N Cast Alloys Prepared by Reactive Arc-Melting
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- Morikawa Dai
- Department of Metallurgy and Materials Science, Graduate School of Engineering, Osaka Prefecture University
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- Ramkumar Janakarajan
- Indian Institute of Technology
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- Mabuchi Hiroshi
- Department of Metallurgy and Materials Science, Graduate School of Engineering, Osaka Prefecture University
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- Tsuda Hiroshi
- Department of Metallurgy and Materials Science, Graduate School of Engineering, Osaka Prefecture University
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- Matsui Toshiyuki
- Department of Metallurgy and Materials Science, Graduate School of Engineering, Osaka Prefecture University
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- Morii Kenji
- Department of Metallurgy and Materials Science, Graduate School of Engineering, Osaka Prefecture University
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Ti–B–N cast alloys were prepared by a reactive arc-melting technique using elemental titanium and boron nitride powders. The alloys obtained were composites of titanium matrix containing nitrogen of 3 mol% or less and a small amount of TiB reinforcement. The microstructure of the matrix was a cellular structure consisting of elongated dislocation cells with 1–2 \\micron in width and 5–10 \\micron in length, for Ti–1B–1N alloy. The TiB particles were rod-like in shape with size of less than 0.5 \\micron in diameter and agglomerated to form clusters along the grain boundary. The mechanical properties were mainly dependent on the content of nitrogen and the influence of TiB on the mechanical properties was relatively small. The Ti–B–N cast alloys containing suitable concentration of nitrogen, Ti–0.5B–0.5N alloys, had a high strength of 920 MPa with adequate ductility of more than 5%.
収録刊行物
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- MATERIALS TRANSACTIONS
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MATERIALS TRANSACTIONS 43 (9), 2193-2196, 2002
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
- 1390282679223734272
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- NII論文ID
- 10012325954
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- NII書誌ID
- AA1151294X
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- COI
- 1:CAS:528:DC%2BD38XnvFGqsL4%3D
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- ISSN
- 13475320
- 13459678
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- NDL書誌ID
- 6312612
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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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- 使用不可