Study on microstructural characterization of thermal barrier coatings for metal atomizing jet

Yang Gao; Hong Mei Wang; Feng Pan; Yong Liang; Chang Xu Shi

Study on microstructural characterization of thermal barrier coatings for metal atomizing jet

Yang Gao^*, Hong Mei Wang, Feng Pan, Yong Liang, Chang Xu Shi

^*此作品的通讯作者

物理学院

科研成果: 期刊稿件 › 文章 › 同行评审

摘要

A new type of thermal barrier coatings was developed for metal atomizing jet on stainless steel. The method involved precoating by a plasma-spraying and subsequent laser remelting. A 5kW CW CO₂ laser was used to produce NiCoCrAlY bond coating and zirconia ceramic coating with double remelting. The results show that the NiCoCrAlY alloy coatings are diluted by the substrate, and are found chemical composition and microstructure excursion. The microstructure of ZrO₂ coatings with TiO₂-Al-Ti dopants is oriented columnar grains, whose space between dendrites is respectively 2.3μm of top layer and 3.8μm of subsurface layer.

源语言	英语
页（从-至）	27-29
页数	3
期刊	Cailiao Gongcheng/Journal of Materials Engineering
期	1
出版状态	已出版 - 1月 2003

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title = "Study on microstructural characterization of thermal barrier coatings for metal atomizing jet",

abstract = "A new type of thermal barrier coatings was developed for metal atomizing jet on stainless steel. The method involved precoating by a plasma-spraying and subsequent laser remelting. A 5kW CW CO2 laser was used to produce NiCoCrAlY bond coating and zirconia ceramic coating with double remelting. The results show that the NiCoCrAlY alloy coatings are diluted by the substrate, and are found chemical composition and microstructure excursion. The microstructure of ZrO2 coatings with TiO2-Al-Ti dopants is oriented columnar grains, whose space between dendrites is respectively 2.3μm of top layer and 3.8μm of subsurface layer.",

keywords = "Columnar grains, Dendrites, Excursion, Laser cladding, Microstructure",

author = "Yang Gao and Wang, {Hong Mei} and Feng Pan and Yong Liang and Shi, {Chang Xu}",

year = "2003",

month = jan,

language = "English",

pages = "27--29",

journal = "Cailiao Gongcheng/Journal of Materials Engineering",

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publisher = "Beijing Institute of Aeronautical Materials (BIAM)",

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T1 - Study on microstructural characterization of thermal barrier coatings for metal atomizing jet

AU - Gao, Yang

AU - Wang, Hong Mei

AU - Pan, Feng

AU - Liang, Yong

AU - Shi, Chang Xu

PY - 2003/1

Y1 - 2003/1

N2 - A new type of thermal barrier coatings was developed for metal atomizing jet on stainless steel. The method involved precoating by a plasma-spraying and subsequent laser remelting. A 5kW CW CO2 laser was used to produce NiCoCrAlY bond coating and zirconia ceramic coating with double remelting. The results show that the NiCoCrAlY alloy coatings are diluted by the substrate, and are found chemical composition and microstructure excursion. The microstructure of ZrO2 coatings with TiO2-Al-Ti dopants is oriented columnar grains, whose space between dendrites is respectively 2.3μm of top layer and 3.8μm of subsurface layer.

AB - A new type of thermal barrier coatings was developed for metal atomizing jet on stainless steel. The method involved precoating by a plasma-spraying and subsequent laser remelting. A 5kW CW CO2 laser was used to produce NiCoCrAlY bond coating and zirconia ceramic coating with double remelting. The results show that the NiCoCrAlY alloy coatings are diluted by the substrate, and are found chemical composition and microstructure excursion. The microstructure of ZrO2 coatings with TiO2-Al-Ti dopants is oriented columnar grains, whose space between dendrites is respectively 2.3μm of top layer and 3.8μm of subsurface layer.

KW - Columnar grains

KW - Dendrites

KW - Excursion

KW - Laser cladding

KW - Microstructure

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JO - Cailiao Gongcheng/Journal of Materials Engineering

JF - Cailiao Gongcheng/Journal of Materials Engineering

IS - 1

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Study on microstructural characterization of thermal barrier coatings for metal atomizing jet

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