CHEMICAL EXPANSION IN MIXED CONDUCTING PEROVSKITES

机译：混合导电钙钛矿中的化学膨胀

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Uniaxial expansion of selected mixed-conducting perovskite oxides of general composition La_(1-x)Sr_xCo_(1-y)Fe_yO_(3-δ) has been measured as a function of both temperature and oxygen vacancy concentration. The expansion behavior of these materials can be described by nearly constant values of thermal and chemical expansivity. Large nonlinearities previously observed in the uniaxial expansion with respect to temperature at constant P_(o2) is due almost entirely to chemical expansion, not an increase in thermal expansion.

机译：已经测量了选定的一般组成为La_（1-x）Sr_xCo_（1-y）Fe_yO_（3-δ）的混合导电钙钛矿氧化物的单轴膨胀率，该温度随温度和氧空位浓度而变化。这些材料的膨胀行为可以通过几乎恒定的热膨胀系数和化学膨胀系数来描述。先前在常数P_（o2）下相对于温度的单轴膨胀中观察到的较大的非线性几乎完全归因于化学膨胀，而不是热膨胀的增加。

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《Fourth International Symposium on Ionic and Mixed Conducting Ceramics, null》||p.391-395|共5页
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J.S. Yu; S.B. Adler;
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Department of Chemical Engineering Case Western Reserve University 10900 Euclid Avenue Cleveland, OH 44106;

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正文语种 eng
中图分类电工技术;
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1. Electro-chemo-mechanical studies of perovskite-structured mixed ionic-electronic conducting SrSn1-xFexO3-x/2+delta Part III: Thermal and chemical expansion [J] . Kim Chang Sub, Perry Nicola H., Bishop Sean R., Journal of electroceramics . 2018,第4期

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2. Correlation between thermal expansion and oxide ion transport in mixed conducting perovskite-type oxides for SOFC cathodes [J] . Ullmann H., Tietz F., Stover D., Solid state ionics . 2000,第1a2期

机译：SOFC阴极混合导电钙钛矿型氧化物的热膨胀与氧化物离子迁移的相关性
3. On the relationship between chemical expansion and hydration thermodynamics of proton conducting perovskites [J] . Bjorheim Tor S., Loken Andreas, Haugsrud Reidar Journal of Materials Chemistry, A. Materials for energy and sustainability . 2016,第16期

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4. Chemical expansion in mixed conducting perovskites [C] . J. S. Yu, S. B. Adler International symposium on Ionic and Mixed Conducting Ceramics . 2002

机译：混合传导钙钛矿中的化学膨胀
5. An experimental study of perovskite-structured mixed ionic- electronic conducting oxides and membranes. [D] . Zeng, Pingying. 2014

机译：钙钛矿结构的混合离子电子导电氧化物和膜的实验研究。
6. Ambient Pressure XPS Study of Mixed Conducting Perovskite-TypeSOFC Cathode and Anode Materials under Well-Defined ElectrochemicalPolarization [O] . Andreas Nenning, Alexander K. Opitz, *, -1

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7. Chemical expansion due to hydration of proton conducting perovskite oxide ceramics [O] . Andersson Annika KE, Selbach Sverre Magnus, Knee CS, 2014

机译：由于质子传导钙钛矿氧化物陶瓷的水合作用而引起的化学膨胀
8. Electrochemical properties of mixed conducting La(sub 1(minus)x)M(sub x)Co(sub 1(minus)y)Fe(sub y)O(sub 3(minus)(delta)) (M = Sr,Ca,Ba) perovskites [R] . Stevenson, J. W. , Armstrong, T. R. , Pederson, L. R. , 1995

机译：混合导电La（sub 1（minus）x）m（sub x）Co（sub 1（minus）y）Fe（sub y）O（sub 3（minus）（delta））（m = sr，Ca）的电化学性质，Ba）钙钛矿

CHEMICAL EXPANSION IN MIXED CONDUCTING PEROVSKITES

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