D.A. Jerebtsov, G.G. Mikhailov, S.V. Sverdina, Phase diagram of the system Al2O3-ZrO2, Ceram. Int. 26 (2000) 821-823.JEREBTSOV. D.A. Phase diagrams of the system: Al2O3ZrO2. Ceram. Int. 26, 2000. pp 821823....
phase diagramszirconium compounds/ phase equilibrium diagramsolidus surfacecrystallizationmelting pointphase equilibriaThe solidus surface for the Al2O3-ZrO2-Er2O3phase is projected for the first time onto the concentration triangle. It consists of five isothermal three-phase fields that correspond to ...
Al2O3-ZrO2系相图如右图所示,成分为ω(ZrO2)=42.6%的陶瓷材料。试求: (a)材料平衡凝固后共晶组织中两相的相对重量; (b)共晶组织中Al、Zr和O各自的质量分数; (c)ω(ZrO2)=42.6%对应的摩尔分数。 (相对原子质量:Al为27;Zr为91;O为16) 答案: ...
Lopato, “The Al2O3–Zr(Hf)O2–La2O3 phase diagrams as a scientific basis for developing new thermal barrier coatings,” Powder Metall. Met. Ceram., 53, No. 5–6, 323–329 (2014). D.R. Clarke and C.G. Levi, “Materials design for the next generation thermal barrier coatings,”...
The phase diagram of the Al2O3-ZrO2-Sm2O3 system. IV. Polythermal sections of the phase diagram Three polythermal sections have been constructed to give a fuller description of the phase diagram structure for the Al 2 O 3 -ZrO 2 -Sm 2 O 3 system over... SM Lakiza,VP Red’Ko,LM...
添加Y2O3的ZrO2-Al2O3复相陶瓷力学性能的研究 采用工业ZrO2, Al2O3原料, 以Y2O3作为稳定剂, 通过适当的工艺制备出ZrO2-Al2O3复相陶瓷. 研究结果表明, Y2O3添加量为3.5%(摩尔分数)的ZrO2基陶瓷中加入Al2O3可有效地... 王玉春,丘泰,沈春英 - 《中国稀土学报》 被引量: 9发表: 2003年 非晶和纳米ZrO2.Y2...
Their stoichiometries were determined as part of a phase-diagram study of the systems Li2O–Nb2O5–ZrO2 and Li2O–Ta2O5–ZrO2. In addition to these new phases, extensive solid solutions based on Zr-doped LiNbO3, LiNb3O8, LiTaO3 and LiTa3O8 have been prepared.关键词: LI2O-(NB2O5,...
Alumina toughened zirconia (ATZ) and zirconia toughened alumina (ZTA) are currently the materials of choice to meet the need for tough, strong, and bioinert ceramics for medical devices. However, the mechanical properties of ZrO2/Al2O3 dispersion ceramic
Phase diagramElectron microscopyX-ray methodsThermal analysisThermodynamic modellingPhase relations in the system ZrO2-TiO2-Al2O3 have been investigated in the temperature range between 1557 and 1897 K using equilibration method. X-ray powder diffraction (XRD) and scanning electron microscopy combined ...
Al2O3、TiO2、SiO2相比,ZrO2具有更高的化学稳定性、平的均匀混合,粉体烧结活性高,所需工艺设备简单 良好的机械强度、热稳定性、耐酸碱腐蚀性和离子迁和廉价。本文采用共沉淀法制备室温下稳定存在的 移能力,可用作催化剂载体[5-7]。以纳米级ZrO2为催不同晶型结构的纳米氧化锆粉体并对其进行表征。