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| Study on the Properties of Nano-agglomerated Powders of La2Zr2O7 and Its TBCs |
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| DOI：doi：10.3969/j.issn.1007-7545.年份.期号.顺序号 |
| KeyWord:Lanthanum zirconate;Nanostructured agglomerated;Plasma spraying;TBCs; |
| ZHAO Xiao-dong,XIE Jian-gang,ZENG Ke-li,YU Yue-guang |
ZHAO Xiao-dong,XIE Jian-gang,ZENG Ke-li,YU Yue-guang (Beijing General Research Institute of Mining , Metallurgy,Beijing 100044,China)
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| Abstract: |
| With the nanostructured agglomerated powders of La_2Zr_2O_7 made by spray drying firstly,the nanostructured coatings were prepared by atmospheric plasma sprayed(APS) subsequently.The micro-structures were systematically studied by SEM and XRD.The results show that the nanostructured lanthanum zirconate coatings were typical lamellar structure.A large quantity of homogeneous distributed fine pores is formed in the nanostructured zirconia coating.After ablation at 1 473K for 8 h,no apparent phase transformati... |
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