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Evolution of Residual Stresses in PS-PVD Thermal Barrier Coatings on Thermal Cycling
Yang, Jiasheng; Zhao, Huayu; Zhong, Xinghua; Ni, Jinxing; Zhuang, Yin; Wang, Liang; Tao, Shunyan
2018
Source PublicationJOURNAL OF THERMAL SPRAY TECHNOLOGY
ISSN1059-9630
Volume27Issue:6Pages:914
AbstractPlasma spray-physical vapor deposition (PSPVD) is an advanced technique to fabricate quasi-columnar structured thermal barrier coatings (TBCs) with excellent thermal cyclic lifetime. In this study, PS-PVD TBCs were investigated via burner rig test. The residual stresses in both of the topcoat layer and the thermally grown oxide (TGO) scale were measured non-destructively using Raman spectroscopy and Cr3+ photoluminescence piezospectroscopy, respectively. Evolution of the microstructures and distribution of residual stresses in such kind structured TBCs before and after thermal cycling test were investigated. The accumulated tensile stress in the as-sprayed ceramic topcoat changed to compressive state after 100 cycles and then gradually increased. In addition, the mapping compressive stresses in the TGO measured through the ceramic topcoat surface decreased rapidly and then essentially maintained at a relatively stable state with further testing. Moreover, the pre-heating of the bondcoat could significantly affect the stress distribution in the TGO, in contrast, no obviously influence on the stresses in the YSZ topcoat.
Keywordphotoluminescence piezo-spectroscopy (PLPS) plasma spray-physical vapor deposition (PS-PVD) residual stresses thermal barrier coatings (TBCs) thermal cyclic test
Subject AreaMaterials Science, Coatings & Films
MOST Discipline CatalogueMaterials Science
DOI10.1007/s11666-018-0734-y
WOS SubjectYTTRIA-STABILIZED ZIRCONIA ; PHOTOLUMINESCENCE PIEZOSPECTROSCOPY ; PIEZO-SPECTROSCOPY ; RAMAN-SPECTROSCOPY ; CERAMIC COATINGS ; DEPOSITION ; FAILURE ; MECHANISMS ; OXIDATION ; SPRAY
WOS IDWOS:000441984900001
PublisherSPRINGER
EI Accession Number1544-1016
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/24753
Collection中国科学院上海硅酸盐研究所
AffiliationChinese Acad Sci, Shanghai Inst Ceram, Key Lab Inorgan Coating Mat CAS, Shanghai 201899, Peoples R China
Recommended Citation
GB/T 7714
Yang, Jiasheng,Zhao, Huayu,Zhong, Xinghua,et al. Evolution of Residual Stresses in PS-PVD Thermal Barrier Coatings on Thermal Cycling[J]. JOURNAL OF THERMAL SPRAY TECHNOLOGY,2018,27(6):914, 923.
APA Yang, Jiasheng.,Zhao, Huayu.,Zhong, Xinghua.,Ni, Jinxing.,Zhuang, Yin.,...&Tao, Shunyan.(2018).Evolution of Residual Stresses in PS-PVD Thermal Barrier Coatings on Thermal Cycling.JOURNAL OF THERMAL SPRAY TECHNOLOGY,27(6),914.
MLA Yang, Jiasheng,et al."Evolution of Residual Stresses in PS-PVD Thermal Barrier Coatings on Thermal Cycling".JOURNAL OF THERMAL SPRAY TECHNOLOGY 27.6(2018):914.
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