PROPERTIES OF YTTRIUM OXIDE CERAMICS
PROPERTIES OF YTTRIUM OXIDE CERAMICS
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DOI：
10.1111/j.1151-2916.1957.tb12619.x
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发表时间：
1957-01-01
影响因子：
3.9
通讯作者：
CURTIS, CE
中科院分区：
文献类型：
--
作者：
CURTIS, CE
岩石学、X射线和差热分析表明，氧化钇的立方结构在空气中稳定到1800℃。当氧化物加热到1800℃时，晶格参数的变化小于±0.007 a.u.。y2o3在1600℃时的平均比热为0.13 cal. / kg . /℃，在1400℃时的线性膨胀系数为9.3 × 10−6in。每。y2o3的压块需要1800℃的温度进行玻璃化。在1500℃粉末状等分子二元混合物中，y2o3与al2o3和fe2o3形成化合物，与zro2和HfO2形成固溶体。y2o3不与CaO、MgO或ThO2反应。包括晶体类型和反应产物的晶胞大小。
The cubic structure of yttrium oxide is stable to 1800°C. in air as indicated by petrographic, X‐ray, and differential thermal analyses. A change in lattice parameter of less than ±0.007 a.u. was observed on heating the oxide to 1800°C. The mean specific heat of Y2O3to 1600°C. was 0.13 cal. per gm. per °C. The coefficient of linear expansion to 1400°C. was 9.3 × 10−6in. per in. per °C. Compacts of Y2O3required a temperature of 1800°C. for vitrification. In equimolecular binary mixtures heated in the powdered state at 1500°C., Y2O3formed compounds with Al2O3and Fe2O3and solid solutions with ZrO2and HfO2. Y2O3did not react with CaO, MgO, or ThO2. Crystal types and unit‐cell sizes of the reaction products are included.