• Journal of Inorganic Materials
  • Vol. 37, Issue 12, 1259 (2022)
Hailang WEI*, Xueqiang CAO, Longhui DENG, and Jianing JIANG
DOI: 10.15541/jim20220202 Cite this Article
Hailang WEI, Xueqiang CAO, Longhui DENG, Jianing JIANG. Thermodynamic Properties and Thermal Cycling Lifetimes of LaMeAl11O19/YSZ Thermal Barrier Coatings[J]. Journal of Inorganic Materials, 2022, 37(12): 1259 Copy Citation Text show less
XRD patterns of three kinds of coatings
. XRD patterns of three kinds of coatings
Thermal expansion curves of freestanding coatings
. Thermal expansion curves of freestanding coatings
(a) Thermal conductivity and (b) single band (3-5 µm) infrared emissivity of freestanding coatings at different temperatures
. (a) Thermal conductivity and (b) single band (3-5 µm) infrared emissivity of freestanding coatings at different temperatures
Vickers hardness and fracture toughness of freestanding coatings
. Vickers hardness and fracture toughness of freestanding coatings
Temperature changes of surface of coatings and metallic substrate during thermal cycling
. Temperature changes of surface of coatings and metallic substrate during thermal cycling
SEM images of cross-sections and top surfaces of as-sprayed coatings
. SEM images of cross-sections and top surfaces of as-sprayed coatings
SEM images of cross-sections and elemental mappings of failed coatings at different positions
. SEM images of cross-sections and elemental mappings of failed coatings at different positions
Thermal cycle life times of three kinds of coatings
. Thermal cycle life times of three kinds of coatings
Chemical reagentPurityManufacturer
La2O399.9%Beijing Chemical Works
MgO99.9%Jiangsu Hanos Chemical Co., LTD
Al2O399.9%Shanghai Chemetall Chemicals Co., LTD
ZnO99.9%Hubei Longma Chemical Co., LTD
CuO99.9%Nanjing Xincai Chemical Co., LTD
CaO99.9%Nanjing Xincai Chemical Co., LTD
Metallographic cold inlayWuxi Huazheng Metallurgical Technology Co., LTD
Gumacabic powderARShanghai Sinopharm Group Chemical Reagent Co. LTD
Ammonium citrate tribasicARBeijing Chemical Works
Table 1. Chemical reagents for main experiments
ItemBonding layerCeramic layer
Spraying distance/mm100100
Power/kW4242
Current/A530530
Plasma gas/SLPM32/1232/12
Migration rate/(mm·s−1)10001000
Feed rate/(g·min−1)3035
Table 2. Parameters of APS
Hailang WEI, Xueqiang CAO, Longhui DENG, Jianing JIANG. Thermodynamic Properties and Thermal Cycling Lifetimes of LaMeAl11O19/YSZ Thermal Barrier Coatings[J]. Journal of Inorganic Materials, 2022, 37(12): 1259
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