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热喷涂技术:2024,16(1):64-70
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粉体制备工艺对Gd、Yb改性YSZ热障涂层性能影响的研究
(1.中国航发南方工业有限公司;2.矿冶科技集团有限公司)
Research on the influence of powder preparation process on the performance of Gd, Yb modified YSZ thermal barrier coatings
zouyang1, liangjiakuan1, gongwenjuan1, hanrifei2,3,4, shitianjie2,3,4, pangxiaoxiao2,3,4, jiafang2,3,4
(1.AECC South Industry Co., Ltd.;2.BGRIMM Advanced Materials Science &3.amp;4.Technology Co., Ltd.)
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投稿时间:2024-03-01    修订日期:2024-03-26
中文摘要: 随着航空航天技术的快速发展,飞行器热端部件的服役温度越来越高,YSZ热障涂层已经无法满足目前航空发动机热端部件的服役需求,稀土元素钆(Gd)与镱(Yb)对YSZ进行掺杂得到的Gd2O3-Yb2O3-Y2O3共稳定氧化锆(GYYZO)被广泛认为在超高温工况下具有广阔的应用前景。本研究采用固相反应法与化学沉淀法分别制备了两种球形GYYZO粉末,并采用大气等离子喷涂法制备了两种GYYZO陶瓷热障涂层,研究了粉末制备工艺对粉体结构以及涂层结构与性能的影响。
中文关键词: 热障涂层  热震  稀土改性  热喷涂
Abstract:With the rapid development of aerospace technology, the operating temperature of hot-end components of aircraft is becoming increasingly higher. YSZ thermal barrier coatings can no longer meet the service requirements of current aircraft engine hot-end components. Gd2O3-Yb2O3-Y2O3 co-stabilized zirconia (GYYZO), obtained by doping YSZ with rare earth elements gadolinium (Gd) and ytterbium (Yb), is widely considered to have broad application prospects in ultra-high temperature conditions. In this research, two types of spherical GYYZO powders were synthesized using the solid-state reaction and chemical precipitation methods, while two variants of GYYZO ceramic thermal barrier coatings were fabricated through the atmospheric plasma spraying technique. The effects of powder preparation process on powder structure and coating structure and properties were studied.
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邹旸,梁加宽,龚文娟,韩日飞,史天杰,庞小肖,贾芳.粉体制备工艺对Gd、Yb改性YSZ热障涂层性能影响的研究[J].热喷涂技术,2024,16(1):64-70.
zouyang,liangjiakuan,gongwenjuan,hanrifei,shitianjie,pangxiaoxiao,jiafang.Research on the influence of powder preparation process on the performance of Gd, Yb modified YSZ thermal barrier coatings[J].Thermal Spray Technology,202416(1):64-70.

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