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  1. 020 教育学部
  2. 10 学術雑誌論文
  3. 10 査読済論文
  1. 0 資料タイプ別
  2. 01 学術雑誌論文

Estimation of Spalling Stress in Thermal Barrier Coatings Using Hard Synchrotron X-Rays

http://hdl.handle.net/10191/18177
http://hdl.handle.net/10191/18177
630d9317-3acd-47fb-a27c-69b7b73ade2c
名前 / ファイル ライセンス アクション
47-3_318.pdf 47-3_318.pdf (1.1 MB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2012-06-04
タイトル
タイトル Estimation of Spalling Stress in Thermal Barrier Coatings Using Hard Synchrotron X-Rays
言語 en
言語
言語 eng
キーワード
主題Scheme Other
主題 Residual Stress
キーワード
主題Scheme Other
主題 Experimental Stress Analysis
キーワード
主題Scheme Other
主題 Nondestructive Inspection
キーワード
主題Scheme Other
主題 Delamination
キーワード
主題Scheme Other
主題 Wear
キーワード
主題Scheme Other
主題 Thermal Barrier Coating
キーワード
主題Scheme Other
主題 X-Ray Stress Measurement
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ journal article
著者 Suzuki, Kenji

× Suzuki, Kenji

WEKO 7181

en Suzuki, Kenji

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Tanaka, Keisuke

× Tanaka, Keisuke

WEKO 7182

en Tanaka, Keisuke

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Akiniwa, Yoshiaki

× Akiniwa, Yoshiaki

WEKO 7183

en Akiniwa, Yoshiaki

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抄録
内容記述タイプ Abstract
内容記述 It is possible to measure nondestructively the residual stress in the interior of the top coating in the thermal barrier coaling (TBC) using hard synchrotron X-rays, which have a large penetration depth and high brightness. A new hybrid method is proposed to estimate the distribution of the spalling stress in the top coating by combining the synchrotron data with the stress data measured by the conventional X-ray method utilizing a Cr-Kα radiation. The new hybrid method was applied to estimate the distribution of the spalling stress in the top coating of TBC which had a zirconia top coating with a thickness of 0,24 mm and a NiCoCrAlY bond coating with a thickness of 0.2mm. The residual stress, σ_11-σ_33, within the top coating was determined by synchrotron X-rays of 73 keV energy level, whereσ_33 was the stress perpendicular to the surface andσ_11 was an in-plane stress. The distribution of residual in-plane stresses, σ_11 andσ_'22, in the top and the bond coating was determined with the conventional X-ray method by repeating the measurement after successive removal of the surface layer, From the data obtained by synchrotron and conventional X-rays, the distribution of stress component, σ_33, responsible for spalling was determined. The estimated value of the spalling stress was very small beneath the surface and increased to about 75MPa near the interface between the top and the bond coating.
言語 en
書誌情報 en : JSME International Journal. Series A, Solid mechanics and material engineering.

巻 47, 号 3, p. 318-323, 発行日 2004
出版者
出版者 Japan Society of Mechanical Engineers
言語 en
ISSN
収録物識別子タイプ ISSN
収録物識別子 1344-7912
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AA11179396
DOI
識別子タイプ DOI
関連識別子 http://doi.org/10.1299/jsmea.47.318
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
著者版フラグ
値 publisher
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Cite as

Suzuki, Kenji, Tanaka, Keisuke, Akiniwa, Yoshiaki, 2004, Estimation of Spalling Stress in Thermal Barrier Coatings Using Hard Synchrotron X-Rays: Japan Society of Mechanical Engineers, 318–323 p.

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