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Advanced analysis on growth mechanisms of thermally grown oxide at elevated temperature for thermal barrier coatings

文献类型：期刊论文

作者Song, Xuemei1; Meng, Fangli1; Kong, Mingguang2; Liu, Ziwei1; Wang, Yongzhe1; Huang, Liping3; Zheng, Xuebin3; Zeng, Yi1,4
刊名VACUUM
出版日期2016-12-01
卷号134期号:无页码:33-39
关键词Tbcs Heat Treatment Tgo Bond Coat Growth Mechanisms Ion diffusIon
DOI10.1016/j.vacuum.2016.09.012
文献子类Article
英文摘要Yttria-stabilized zirconia (YSZ) thermal barrier coatings (TBCs) were prepared by plasma spraying. The as prepared YSZ TBCs were characterized by scanning electron microscopy (SEM), Electron backscatter diffraction (EBSD) and focused ion beam (FIB) systems before and after heat treatment. A thermally grown oxide (TGO) layer was formed between YSZ topcoat and bond coat after heat treatment. EBSD results revealed that the TGO layer was composed of alpha-Al2O3 and cubic Al2NiO4 layers. Mechanism controlling the growth of the TGO layer were analyzed in detail. It was found that the AlNi phase gradually disappeared from bond coat during heat treatment, which provided Al and Ni sources for the formation of TGO. Meanwhile, EBSD results confirmed that the growth of the TGO layer was dominated by the diffusion of Al and Ni rather than 0 penetration. Furthermore, direct evidence on the diffusion pathways of Al and Ni was also found, indicating that Al and Ni proceeded along the pores, cracks and YSZ grain boundaries to promote the further growth of TGO layer with increased heat treatment time. (C) 2016 Elsevier Ltd. All rights reserved.
WOS关键词SELF-DIFFUSION ; SINGLE-CRYSTALS ; BOND COAT ; ALPHA-AL2O3 ; ALUMINA ; TBCS
WOS研究方向Materials Science ; Physics
语种英语
WOS记录号WOS:000387835500006
资助机构National Key Technologies R&D Program of China(2016YFA0201103) ; National Key Technologies R&D Program of China(2016YFA0201103) ; National Key Technologies R&D Program of China(2016YFA0201103) ; National Key Technologies R&D Program of China(2016YFA0201103) ; National Key Technologies R&D Program of China(2016YFA0201103) ; National Key Technologies R&D Program of China(2016YFA0201103) ; National Key Technologies R&D Program of China(2016YFA0201103) ; National Key Technologies R&D Program of China(2016YFA0201103) ; Engineering case study in extreme conditions using system mechanics approach(XDB22010202) ; Engineering case study in extreme conditions using system mechanics approach(XDB22010202) ; Engineering case study in extreme conditions using system mechanics approach(XDB22010202) ; Engineering case study in extreme conditions using system mechanics approach(XDB22010202) ; Engineering case study in extreme conditions using system mechanics approach(XDB22010202) ; Engineering case study in extreme conditions using system mechanics approach(XDB22010202) ; Engineering case study in extreme conditions using system mechanics approach(XDB22010202) ; Engineering case study in extreme conditions using system mechanics approach(XDB22010202) ; CAS Key Technology Talent Program ; CAS Key Technology Talent Program ; CAS Key Technology Talent Program ; CAS Key Technology Talent Program ; CAS Key Technology Talent Program ; CAS Key Technology Talent Program ; CAS Key Technology Talent Program ; CAS Key Technology Talent Program ; National Key Technologies R&D Program of China(2016YFA0201103) ; National Key Technologies R&D Program of China(2016YFA0201103) ; National Key Technologies R&D Program of China(2016YFA0201103) ; National Key Technologies R&D Program of China(2016YFA0201103) ; National Key Technologies R&D Program of China(2016YFA0201103) ; National Key Technologies R&D Program of China(2016YFA0201103) ; National Key Technologies R&D Program of China(2016YFA0201103) ; National Key Technologies R&D Program of China(2016YFA0201103) ; Engineering case study in extreme conditions using system mechanics approach(XDB22010202) ; Engineering case study in extreme conditions using system mechanics approach(XDB22010202) ; Engineering case study in extreme conditions using system mechanics approach(XDB22010202) ; Engineering case study in extreme conditions using system mechanics approach(XDB22010202) ; Engineering case study in extreme conditions using system mechanics approach(XDB22010202) ; Engineering case study in extreme conditions using system mechanics approach(XDB22010202) ; Engineering case study in extreme conditions using system mechanics approach(XDB22010202) ; Engineering case study in extreme conditions using system mechanics approach(XDB22010202) ; CAS Key Technology Talent Program ; CAS Key Technology Talent Program ; CAS Key Technology Talent Program ; CAS Key Technology Talent Program ; CAS Key Technology Talent Program ; CAS Key Technology Talent Program ; CAS Key Technology Talent Program ; CAS Key Technology Talent Program
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/22004]  
专题合肥物质科学研究院_中科院固体物理研究所
作者单位1.Chinese Acad Sci, Shanghai Inst Ceram, State Key Lab High Performance Ceram & Superfine, Shanghai 200050, Peoples R China
2.Chinese Acad Sci, Inst Solid State Phys, Key Lab Mat Phys, Hefei 230031, Peoples R China
3.Chinese Acad Sci, Shanghai Inst Ceram, Key Lab Inorgan Coating Mat, Shanghai 200050, Peoples R China
4.CAS Ctr Excellence Superconducting Elect CENSE, Shanghai 200050, Peoples R China
推荐引用方式
GB/T 7714		 Song, Xuemei,Meng, Fangli,Kong, Mingguang,et al. Advanced analysis on growth mechanisms of thermally grown oxide at elevated temperature for thermal barrier coatings[J]. VACUUM,2016,134(无):33-39.
APA Song, Xuemei.,Meng, Fangli.,Kong, Mingguang.,Liu, Ziwei.,Wang, Yongzhe.,...&Zeng, Yi.(2016).Advanced analysis on growth mechanisms of thermally grown oxide at elevated temperature for thermal barrier coatings.VACUUM,134(无),33-39.
MLA Song, Xuemei,et al."Advanced analysis on growth mechanisms of thermally grown oxide at elevated temperature for thermal barrier coatings".VACUUM 134.无(2016):33-39.

入库方式： OAI收割

来源：合肥物质科学研究院

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