The elastic modulus of pure and doped ceria

Ellen Wachtel; Igor Lubomirsky

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The elastic modulus of pure and doped ceria

机译：纯和掺杂二氧化铈的弹性模量

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摘要

Measurements of the elastic modulus of pure and doped ceria are summarized from the literature and analyzed with a view towards understanding the experimentally established dependence on temperature, doping level and oxygen vacancy concentration. At least two chemical properties affect the elastic modulus of pure and doped ceria: (i) the presence of vacancies decreases the strength of the chemical bonds;;and (ii) low-temperature adaptation of the fluorite structure to the presence of oxygen vacancies is accompanied by an increase in unit cell volume.

机译：从文献中总结了纯二氧化铈和掺杂二氧化铈的弹性模量，并进行了分析，以期了解实验确定的对温度，掺杂水平和氧空位浓度的依赖性。至少两个化学性质会影响纯和掺杂二氧化铈的弹性模量：（i）空位的存在会降低化学键的强度;并且（ii）萤石结构对氧空位的低温适应性是伴随着晶胞体积的增加。

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来源
《Scripta materialia》 |2011年第2期|共6页
作者
Ellen Wachtel; Igor Lubomirsky;
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正文语种 eng
中图分类冶金工业;
关键词
Solid oxide fuel cells; Gd-doped ceria; Elastic properties; Chemistry of point defects;

机译：固体氧化物燃料电池;掺二氧化铈;弹性性能;点缺陷化学;

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1. The elastic modulus of pure and doped ceria [J] . Ellen Wachtel, Igor Lubomirsky Scripta materialia . 2011,第2期

机译：纯和掺杂二氧化铈的弹性模量
2. Elastic moduli of pure and gadolinium doped ceria revisited: Sound velocity measurements [J] . Yavo Nimrod, Noiman David, Wachtel Ellen, Scripta materialia . 2016,第Null期

机译：再谈纯and掺杂二氧化铈的弹性模量：声速测量
3. Hardness and elastic modulus from nanoindentations in nominally pure and doped MgO single crystals [J] . Caceres D., Vergara I., Gonzalez R. Philosophical Magazine, A. Physics of condensed matter, defects and mechanical properties . 2002,第6期

机译：来自名义上纯净和掺杂的MgO单晶中纳米压痕的硬度和弹性模量
4. Measurement of the elastic modulus of ceria yttria co-stabilized zirconia coatings [C] . M. ALFANO, L. PAGNOTTA, G. STIGLIANO, WSEAS International Conferences . 2007

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The elastic modulus of pure and doped ceria

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