書誌事項
- タイトル別名
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- Oxidation Properties for 2nd-5th Generation Ni-Base Single-Crystal Superalloys at 1023, 1173 and 1373 K
- 第2-5世代Ni基超合金の1023から1373Kにおける耐酸化特性
- ダイ2 5 セダイ Niキ チョウゴウキン ノ 1023 カラ 1373K ニ オケル タイサンカ トクセイ
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説明
The oxidation properties of the 2nd-5th generation Ni-base superalloys were investigated. Isothermal oxidation examination was performed at 1023, 1173 and 1373 K in air for up to 3.6×106 s and the oxides were identified by using XRD analysis and SEM cross section observation.<br> The 3rd, 4th generation superalloys and 5th generation superalloy TMS-173 formed thick NiO layers at the surface caused by the outward diffusion of Ni at 1023 K. These alloys showed poor oxidation resistance at 1173 and 1373 K due to the spinel formation, except for the oxidation resistances of the 3rd generation superalloys at 1373 K which were slightly improved by forming Al2O3 layers under the spinel layers. The 2nd generation superalloy and 5th generation superalloy TMS-196 show excellent oxidation resistance at all temperatures examined in this study, forming Al2O3 protective layers. These favorable results were caused by their high Cr content.<br>
収録刊行物
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- 日本金属学会誌
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日本金属学会誌 71 (3), 313-319, 2007
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
- 1390001206478381568
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- NII論文ID
- 130004455833
- 10018735461
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- NII書誌ID
- AN00187860
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- ISSN
- 18806880
- 24337501
- 00214876
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- NDL書誌ID
- 8734158
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- 本文言語コード
- ja
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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