稀土复合掺杂ZrO2陶瓷涂层抗Na2SO4+NaVO3热腐蚀性能的研究进展

陈超,梁艳芬,梁天权,满泉言,罗毅东,张修海,曾建民

Research Progress on Hot Corrosion of Rare Earth Oxides Co-doped ZrO2 Ceramic Coatings in Molten Na2SO4+NaVO3 Salts

Chao CHEN,Yanfen LIANG,Tianquan LIANG,Quanyan MAN,Yidong LUO,Xiuhai ZHANG,Jianmin ZENG

表1 涂层成分与钒酸盐发生化学反应的规律[19]

Table 1 Chemical reactivities of various oxides with vanadate compounds[19]

Oxide Na3VO4 NaVO3 V2O5 Y2O3 No reaction YVO4 YVO4 CeO2 No reaction No reaction CeVO4 ZrO2 No reaction No reaction ZrV2O7 GeO2 Na4Ge9O20 Na4Ge9O20 No reaction Ta2O5 NaTaO3 Na2Ta4O11 α-TaVO5