Phase Reaction and Diffusion Behavior between AuTi and CoTi Intermetallic Compounds
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- Buasri Taywin
- Institute of Innovative Research, Tokyo Institute of Technology
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- Goto Kenji
- Institute of Innovative Research, Tokyo Institute of Technology Tanaka Kikinzoku Kogyo K. K.
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- Tahara Masaki
- Institute of Innovative Research, Tokyo Institute of Technology
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- Hosoda Hideki
- Institute of Innovative Research, Tokyo Institute of Technology
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説明
<p>The phase reaction and diffusion behavior of stoichiometric AuTi and CoTi intermetallic compounds were clarified using diffusion couple technique. It was found by scanning electron microscopy equipped with energy dispersive X-ray spectroscope that two intermetallic compounds of (Au,Co)Ti3 and (Au,Co)2Ti were produced near interface between the AuTi and CoTi when heat-treated at 1173 K and 1273 K, and that only (Au,Co)Ti3 was formed when heat-treated at 1373 K. The presence of these intermetallic compounds was explained by the concentration dependent diffusivity in the diffusion couple. With increasing the heat-treatment temperature from 1173 K to 1373 K, the thickness of the diffusion layer increased from 78 µm to 200 µm. The apparent activation energy for the layer growth was estimated as 127 kJ/mol. Furthermore, the diffusion path in the isothermal section at 1173 K–1373 K in the Au–Ti–Co system was also discussed.</p>
収録刊行物
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- MATERIALS TRANSACTIONS
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MATERIALS TRANSACTIONS 60 (5), 631-635, 2019-05-01
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
- 1390001288133502208
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- NII論文ID
- 130007636580
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- NII書誌ID
- AA1151294X
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- ISSN
- 13475320
- 13459678
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- NDL書誌ID
- 029658236
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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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- KAKEN
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