書誌事項
- タイトル別名
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- Study on Shear Fatigue Fracture and Delamination Mechanism of Thermal Barrier Coatings after Thermal Loading(<Special Issue>Thermal Barrier Coating Systems for Gas Turbines)
- 熱負荷を受けた遮熱被膜のせん断疲労破壊とはく離機構に関する研究
- ネツフカ オ ウケタ シャネツ ヒマク ノ センダン ヒロウ ハカイ ト ハクリ キコウ ニ カンスル ケンキュウ
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In this study, fracture process and fatigue behavior of Thermal Barrier Coatings (TBCs) used in a high temperature component in a land based gas turbine are investigated experimentally and analytically. The effects of the thermal load on TBCs are investigated by measuring residual stress of top coat, finite element method and torsion test. It is found that delamination of top coat under thermal load occurs at a peak of undulation in top coat and bond coat interface. Around the peak, a tearing stress is generated. Fracture and fatigue tests under torsion are carried out by using cylindrical butted specimens. It is found that the mechanical property of bond coat changes after thermal aging and the shear fatigue behavior of TBCs is affected by bond coat strength.
収録刊行物
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- 日本機械学会論文集Ａ編
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日本機械学会論文集Ａ編 76 (767), 853-859, 2010
一般社団法人 日本機械学会
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詳細情報 詳細情報について
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- CRID
- 1390282679455501312
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- NII論文ID
- 110007685185
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- NII書誌ID
- AN0018742X
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- ISSN
- 18848338
- 03875008
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- NDL書誌ID
- 10783904
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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
- Crossref
- CiNii Articles
- KAKEN
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- 抄録ライセンスフラグ
- 使用不可