| Experimentation and thermodynamic modelling on SrZrO_3 |
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| 作者姓名： | 龚伟平 陈腾飞 刘咏 李大建 金展鹏 黄伯云 |
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| 作者单位： | State Key Laboratory of Powder Metallurgy Central South University，State Key Laboratory of Powder Metallurgy Central South University，State Key Laboratory of Powder Metallurgy Central South University，State Key Laboratory of Powder Metallurgy Central South University，State Key Laboratory of Powder Metallurgy Central South University，State Key Laboratory of Powder Metallurgy Central South University，Changsha 410083 China，Changsha 410083 China，Changsha 410083 China，Changsha 410083 China，Changsha 410083 China，Changsha 410083 China |
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| 基金项目： | Project(2006AA03Z567) supported by the National High-Tech Research and Development Program of China，Project(33354) supported by the Natural Science Foundation of Guangdong Province, China |
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| 摘 要： | Experimental data for the perovskite phase SrZrO3 were subjected to a critical thermodynamic assessment using the CALPHAD approach. Special attention was paid to the structural behavior of SrZrO3 to illustrate, how to select an appropriate thermodynamic model based on crystal structure and chemistry information, how to identify and resolve the inconsistency between various kinds of experimental data, and how to use thermodynamic modeling as a basic tool in the development and optimization of materials and process. Our assessment results in a Gibbs energy function covering the temperature range between 300 K and the melting point, which explains the experimental data within the experimental uncertainty.
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Experimentation and thermodynamic modelling on SrZrO_3 |
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| GONG Wei-ping,CHEN Teng-fei,LIU Yong,LI Da-jian,JIN Zhan-peng,HUANG Bai-yun State Key Laboratory of Powder Metallurgy,Central South University,Changsha ,China.Experimentation and thermodynamic modelling on SrZrO_3[J].Academic Degrees & Graduate Education,2007(4). |
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| Authors: | GONG Wei-ping CHEN Teng-fei LIU Yong LI Da-jian JIN Zhan-peng HUANG Bai-yun State Key Laboratory of Powder Metallurgy Central South University Changsha China |
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| Affiliation: | GONG Wei-ping,CHEN Teng-fei,LIU Yong,LI Da-jian,JIN Zhan-peng,HUANG Bai-yun State Key Laboratory of Powder Metallurgy,Central South University,Changsha 410083,China |
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| Abstract: | Experimental data for the perovskite phase SrZrO3 were subjected to a critical thermodynamic assessment using the CALPHAD approach. Special attention was paid to the structural behavior of SrZrO3 to illustrate, how to select an appropriate thermodynamic model based on crystal structure and chemistry information, how to identify and resolve the inconsistency between various kinds of experimental data, and how to use thermodynamic modeling as a basic tool in the development and optimization of materials and process. Our assessment results in a Gibbs energy function covering the temperature range between 300 K and the melting point, which explains the experimental data within the experimental uncertainty. |
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| Keywords: | thermodynamic modelling CALPHAD SrZrO3 experimentation interaction |
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