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硝酸腐蚀对等离子喷涂YAG:Ce涂层的发光性能的影响
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华东理工大学,华东理工大学,华东理工大学,华东理工大学,华东理工大学

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TB34

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国家自然科学资助(项目号51275172);上海市项目(项目号15PJD009, 14DZ2261205);航空基金(项目号2015ZES7001, 2013ZFS7001)


Effect of nitric acid corrosion on the luminescent intensity of plasma sprayed YAG: Ce coatings
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Key Laboratory of Pressure Systems and Safety,Ministry of Education,East China University of Science and Technology,Key Laboratory of Pressure Systems and Safety,Ministry of Education,East China University of Science and Technology,Key Laboratory of Pressure Systems and Safety,Ministry of Education,East China University of Science and Technology,Key Laboratory of Pressure Systems and Safety,Ministry of Education,East China University of Science and Technology,Key Laboratory of Pressure Systems and Safety,Ministry of Education,East China University of Science and Technology

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    摘要:

    为探讨荧光元素在腐蚀监测领域的应用,论文围绕Ce掺杂YAG(Y3Al5O12)粉末和涂层的制备进行,探讨硝酸腐蚀时间对涂层发光性能的影响。结果表明高温固相法形成的YAG:Ce粉末主要为YAG相,等离子喷涂涂层则以YAG和YAP (YAlO3)相为主。经过在硝酸中腐蚀不同的时间后,涂层的孔隙率和衍射峰的强度均增加。同时,衍射峰的主峰位置发生移动。涂层的发光强度随腐蚀时间的增加呈现先增加、再降低、之后增大的波动趋势。涂层的发光强度受其孔隙率、结晶度和相成分等多种因素的影响。

    Abstract:

    To explore the application of fluorescence elements in the field of corrosion monitoring, Ce doped YAG (Y3Al5O12) powder and coatings are prepared respectively. The effect of immersion duration in nitric acid is studied on the luminescent intensity. The results show that the YAG: Ce powder is mainly YAG phase. While the plasma sprayed coatings are dominated by YAG and YAP (YAlO3). The porosity and diffraction peak intensity of YAG: Ce coatings increase with the immersion duration in nitric acid. Meanwhile, the diffraction peak position moves for the coatings after they are immersed in the acid. The luminescent intensity of coatings increases firstly, and then decreases, and finally increases with the increment of immersion duration. The luminescent intensity of coatings is influenced by the porosity, crystallinity and phase composition of coatings etc.

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曾鹏,王卫泽,王和慧,于景业,吴良敏.硝酸腐蚀对等离子喷涂YAG:Ce涂层的发光性能的影响[J].稀有金属材料与工程,2018,47(1):339~343.[Peng Zeng, Weize Wang, Hehui Wang, Jingye Yu, Liangmin Wu. Effect of nitric acid corrosion on the luminescent intensity of plasma sprayed YAG: Ce coatings[J]. Rare Metal Materials and Engineering,2018,47(1):339~343.]
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  • 收稿日期:2015-11-20
  • 最后修改日期:2016-01-31
  • 录用日期:2016-02-24
  • 在线发布日期: 2018-02-07
  • 出版日期: