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等離子噴涂工藝參數(shù)對(duì)YSZ:Tm涂層發(fā)光性能的影響
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上海市啟明星項(xiàng)目（10QA1401500）；“973”項(xiàng)目資助（2012CB625104）


Effect of Plasma Spraying Parameters on the Luminescent Intensity of YSZ: Tm Coatings
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    摘要:

    為提高熒光涂層在熱障涂層中的適配性，本研究制備了Tm摻雜YSZ（Y2O3-ZrO2）粉末和涂層，探討了等離子噴涂工藝參數(shù)對(duì)其發(fā)光性能的影響。結(jié)果表明：化學(xué)沉淀法制備粉末的過程中，靜置陳化時(shí)間在15 h以上、母液中的Zr4+濃度為0.2 mol/L時(shí)氧化釔可完全固溶到基體粉末中。Tm的摻雜濃度降低，粉末的發(fā)光強(qiáng)度增加顯著。等離子噴涂距離和功率對(duì)涂層的發(fā)光性能有明顯影響，在現(xiàn)有范圍內(nèi)，噴涂距離和功率越小，發(fā)光強(qiáng)度越高。

    Abstract:

    Tm doped Y2O3-ZrO2 (YSZ) powders and coatings are prepared in order to enhance the adaptation of the coating to thermal barrier coatings. The powders were prepared by chemical process and the coatings were deposited by plasma spraying method. The effects of plasma spraying parameters on the luminescent intensity of YSZ:Tm coating were investigated. It is found that yttria solid solutes into the powder completely when the aging time is over 15 h and Zr4+ concentration is 0.2 mol/L. The luminescent intensity of powder increases with the decrement of doped concentration of Tm. Plasma spraying distance and power have obvious influence on the luminescent intensity of YSZ:Tm coatings. The lower the spraying distance and power, the higher the luminescent intensity of coatings is in the present studying range.

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王衛(wèi)澤,洪火星,韋靜靜,軒福貞.等離子噴涂工藝參數(shù)對(duì)YSZ:Tm涂層發(fā)光性能的影響[J].稀有金屬材料與工程,2014,43(2):481~484.[Wang Weize, Hong Huoxing, Wei Jingjing, Xuan Fuzhen. Effect of Plasma Spraying Parameters on the Luminescent Intensity of YSZ: Tm Coatings[J]. Rare Metal Materials and Engineering,2014,43(2):481~484.]
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  • 收稿日期:2013-01-15
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  • 在線發(fā)布日期: 2014-06-03
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