Segmented thermal barrier coatings produced by atmospheric plasma spraying hollow powders

H. B. Guo; S. Kuroda; H. Murakami

doi:10.1016/j.tsf.2005.08.142

Segmented thermal barrier coatings produced by atmospheric plasma spraying hollow powders

H. B. Guo^*, S. Kuroda, H. Murakami

^*この研究の対応する著者

研究成果: Article › 査読

49 被引用数 (Scopus)

抄録

Segmented thermal barrier coatings were produced by plasma spraying hollow and solid ZrO₂-8 wt.% Y₂O₃ powders. The solid powder (SP) had greater capability of producing segmentation cracks in coating compared with the hollow powder (HP). High substrate temperature (T _s) gave rise to an increased segmentation crack density (D _s). The segmentation crack network was still stable even after sintering at 1300 °C for 15 h. The microcracks that are mainly attributed to delaminations between splats had a negative effect on the origin and propagation of segmentation cracks.

本文言語	English
ページ（範囲）	136-139
ページ数	4
ジャーナル	Thin Solid Films
巻	506-507
DOI	https://doi.org/10.1016/j.tsf.2005.08.142
出版ステータス	Published - 2006 5月 26
外部発表	はい

ASJC Scopus subject areas

電子材料、光学材料、および磁性材料
表面および界面
表面、皮膜および薄膜
金属および合金
材料化学

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10.1016/j.tsf.2005.08.142

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title = "Segmented thermal barrier coatings produced by atmospheric plasma spraying hollow powders",

abstract = "Segmented thermal barrier coatings were produced by plasma spraying hollow and solid ZrO2-8 wt.% Y2O3 powders. The solid powder (SP) had greater capability of producing segmentation cracks in coating compared with the hollow powder (HP). High substrate temperature (T s) gave rise to an increased segmentation crack density (D s). The segmentation crack network was still stable even after sintering at 1300 °C for 15 h. The microcracks that are mainly attributed to delaminations between splats had a negative effect on the origin and propagation of segmentation cracks.",

keywords = "Plasma spraying, Segmentation cracks, Thermal barrier coatings",

author = "Guo, {H. B.} and S. Kuroda and H. Murakami",

year = "2006",

month = may,

day = "26",

doi = "10.1016/j.tsf.2005.08.142",

language = "English",

volume = "506-507",

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journal = "Thin Solid Films",

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TY - JOUR

T1 - Segmented thermal barrier coatings produced by atmospheric plasma spraying hollow powders

AU - Guo, H. B.

AU - Kuroda, S.

AU - Murakami, H.

PY - 2006/5/26

Y1 - 2006/5/26

N2 - Segmented thermal barrier coatings were produced by plasma spraying hollow and solid ZrO2-8 wt.% Y2O3 powders. The solid powder (SP) had greater capability of producing segmentation cracks in coating compared with the hollow powder (HP). High substrate temperature (T s) gave rise to an increased segmentation crack density (D s). The segmentation crack network was still stable even after sintering at 1300 °C for 15 h. The microcracks that are mainly attributed to delaminations between splats had a negative effect on the origin and propagation of segmentation cracks.

AB - Segmented thermal barrier coatings were produced by plasma spraying hollow and solid ZrO2-8 wt.% Y2O3 powders. The solid powder (SP) had greater capability of producing segmentation cracks in coating compared with the hollow powder (HP). High substrate temperature (T s) gave rise to an increased segmentation crack density (D s). The segmentation crack network was still stable even after sintering at 1300 °C for 15 h. The microcracks that are mainly attributed to delaminations between splats had a negative effect on the origin and propagation of segmentation cracks.

KW - Plasma spraying

KW - Segmentation cracks

KW - Thermal barrier coatings

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DO - 10.1016/j.tsf.2005.08.142

M3 - Article

AN - SCOPUS:33645233532

SN - 0040-6090

VL - 506-507

SP - 136

EP - 139

JO - Thin Solid Films

JF - Thin Solid Films

ER -

Segmented thermal barrier coatings produced by atmospheric plasma spraying hollow powders

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ASJC Scopus subject areas

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