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Influence of Gd_2O_3 and Yb_2O_3 Co-doping on Phase Stability,Thermo-physical Properties and Sintering of 8YSZ
  • ISSN号：1000-9361
  • 期刊名称：《中国航空学报：英文版》
  • 时间：0
  • 分类：TQ174.12[化学工程—陶瓷工业;化学工程—硅酸盐工业] TQ174.758[化学工程—陶瓷工业;化学工程—硅酸盐工业]
  • 作者机构：[1]School of Materials Science and Engineering, Beihang University, Beijing 100191, China, [2]Guizhou LiyangAviation Power Co., Ltd., Anshun 561102, China
  • 相关基金：National Natural Science Foundation of China （50771009, 50731001）; National Basic Research Program of China （2010CB631200）; Research Fund for the Doctoral Program of Higher Education of China （20070006017）
作者： ZHANG Yanli[1], GUO Lei[1], YANG Yongping[2], GUO Hongbo[1], ZHANG Hongju[1], GONG Shengkai[1]
关键词： 8YSZ, 相稳定性, 共掺杂, 热物理性能, 烧结, YB2O3, GD2O3, 合作, thermal barrier coatings （TBCs） Gd2O3 and Yb2O3 co-doped 8YSZ （GYb-YSZ） phase stability sintering ther-mo-physical properties
中文摘要：

在阶段的 multicomponent 稀土元素氧化物的角色为基于 ZrO2 的热障碍涂层(TBC ) 的稳定性， thermo 物理的性质和 sintering 材料被调查。8YSZ 与 3 摩尔共同做(Gd2O3 和 3 mol% Yb2O3 (GYb-YSZ ) 搽粉被稳固的州的反应在各种各样的温度为 24 h 综合。作为温度增加， stabilizers 逐渐地被溶解进氧化锆矩阵。综合了在 1 500

英文摘要：

The role of multicomponent rare earth oxides in phase stability, thermophysical properties and sintering for ZrO2-based thermal barrier coatings （TBCs） materials is investigated. 8YSZ codoped with 3 mol% Gd2O3 and 3 mol% Yb2O3 （GYb-YSZ） powders are synthesized by solid state reaction for 24 h at various temperatures. As temperature increases, stabilizers are dissolved into zirconia matrix gradually. Synthesized at 1 500 °C, GYb-YSZ is basically composed of cubic phase. GYb-YSZ exhibits excellent phase stability and sinters lower than 8YSZ by nearly three times. The thermal conductivity of GYb-YSZ is much lower than that of 8YSZ, and the thermal expansion coefficient of GYb-YSZ is comparable to that of 8YSZ. The influence of Gd2O3 and Yb2O3 co-doping on phase stability, thermal conductivity and sintering of 8YSZ is discussed.

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期刊信息
  • 《中国航空学报：英文版》
  • 中国科技核心期刊
  • 主管单位:中国航空工业第一集团公司
  • 主办单位:中国航空学会
  • 主编：朱自强
  • 地址：北京学院路37号中国航空学报：英文版编辑部
  • 邮编：100083
  • 邮箱：caifei@buaa.edu.cn
  • 电话：010-82317058 82318016
  • 国际标准刊号：ISSN：1000-9361
  • 国内统一刊号：ISSN：11-1732/V
  • 邮发代号:
  • 获奖情况:
  • 国内外数据库收录:
  • 被引量:393