Structure Control of Plasma Sprayed Zircon Coating by Substrate Preheating and Post Heat Treatment
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- Suzuki Masato
- Energy Technology Institute, National Institute of Advanced Industrial Science and Technology, AIST
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- Sodeoka Satoshi
- Energy Technology Institute, National Institute of Advanced Industrial Science and Technology, AIST
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- Inoue Takahiro
- Energy Technology Institute, National Institute of Advanced Industrial Science and Technology, AIST
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Abstract
Zircon is widely used in industrial field as a refractory material, because of its excellent mechanical and chemical properties at high temperature. Authors have been studied on the effect of the heat treatment on the structure and properties of plasma sprayed zircon coating as a candidate for an environmental barrier coating (EBC). In this study, very dense coating with excellent adhesive strength was successfully obtained by optimizing the spray process. Substrate temperature is one of the dominant factors to control porosity and crack formation in the coating. The higher substrate temperature, obtained by plasma pre-heating, resulted in lower porosity and less cracks. Open porosity of the coating was quite low, about 2%, in the coatings obtained especially above 1473 K of the substrate temperature.
Journal
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- MATERIALS TRANSACTIONS
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MATERIALS TRANSACTIONS 46 (3), 669-674, 2005
The Japan Institute of Metals and Materials
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Details 詳細情報について
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- CRID
- 1390001204251021184
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- NII Article ID
- 10015579389
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- NII Book ID
- AA1151294X
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- COI
- 1:CAS:528:DC%2BD2MXjvFSqsrc%3D
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- ISSN
- 13475320
- 13459678
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- NDL BIB ID
- 7290014
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed