Thermal Cycle Resistance of Yttria Stabilized Zirconia Coatings Prepared by MO-CVD
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- Tu Rong
- Institute for Materials Research, Tohoku University
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- Goto Takashi
- Institute for Materials Research, Tohoku University
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抄録
Yttria stabilized zirconia (YSZ) coatings containing 0 to 9.5 mol% Y2O3 were prepared on Hastelloy-XR alloys by metal-organic chemical vapor deposition (MO-CVD), and the effect of Y2O3 content on thermal cycle resistance was investigated in the temperature intervals from 600 to 1273 K and from 600 to 1373 K in air. In the 600–1273 K interval, delamination after 1200 cycles had not occurred for any of the Y2O3 contents of YSZ coatings. In the 600–1373 K interval, the YSZ coatings containing 0, 0.5 and 9.5 mol% Y2O3 suffered partial delamination after 1200 cycles, while no delamination was observed for the YSZ coatings containing 4 mol% Y2O3. During the thermal cycles, thermally grown oxide (TGO) layers consisting of inner Cr2O3 and outer (Ni,Mn,Fe)(Fe,Cr)2O4 spinel were formed at the YSZ coating/Hastelloy-XR substrate alloy interface. The delamination of YSZ coatings occurred at the alloy side near the TGO layer/Hastelloy-XR alloy interface.
収録刊行物
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- MATERIALS TRANSACTIONS
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MATERIALS TRANSACTIONS 46 (6), 1318-1323, 2005
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
- 1390282679228236160
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- NII論文ID
- 130004452854
- 10016439066
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- NII書誌ID
- AA1151294X
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- COI
- 1:CAS:528:DC%2BD2MXosVensbY%3D
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- ISSN
- 13475320
- 13459678
- http://id.crossref.org/issn/09161821
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- HANDLE
- 10097/52147
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- NDL書誌ID
- 7343708
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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
- IRDB
- NDL
- Crossref
- CiNii Articles
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- 使用不可