Thermal characterization and compatibility studies of perovskite-type Ba0.5Sr0.5Co0.8Fe0.2O3?em class="
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- 作者：Edoardo Magnone (1)
Myung Jae Seo (2)
Hak Joo Kim (2)
Jung Hoon Park (1) - 关键词：Compatibility ; BSCF ; Cr2O3 ; Chromium poisoning
- 刊名：Journal of Thermal Analysis and Calorimetry
- 出版年：2014
- 出版时间：April 2014
- 年：2014
- 卷：116
- 期：1
- 页码：215-218
- 全文大小：585 KB
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Myung Jae Seo (2)
Hak Joo Kim (2)
Jung Hoon Park (1)
1. Dongguk University, Wonheung-gwan F619, 30, Pildong-ro 1gil, Jung-gu, Seoul, 100-715, Korea
2. Korea Institute of Energy Research (KIER), 152 Gajeong-ro, Yuseung-Gu, Taejon, 305-343, Korea - ISSN：1572-8943
文摘
The chemical compatibility of perovskite-type Ba0.5Sr0.5Co0.8Fe0.2O3?em class="a-plus-plus">δ (BSCF) oxides with Cr2O3 has been examined between room temperature and 1,100?°C. Differential thermal analysis and thermogravimetric analysis were used to analyze the thermal behavior of BSCF–Cr2O3 binary mixtures in all composition ranges (0-00?mass% BSCF). The reaction products were identified by X-ray analysis after heating at 700-,100?°C. As we expected, it was found that perovskite-type BSCF oxide had a poor chemical compatibility with the Cr2O3 oxide. In particular, the decomposition process of the BSCF–Cr2O3 binary mixture is quite complex and it starts at about 700-50?°C. The mixtures of BSCF and Cr2O3 oxides reacted forming mixed complex oxides based on (Ba/Sr)FeO3, (Co/Fe)CrO4, and (Ba/Sr)CrO4 mixtures.