平板式ITSOFC用Al2O3基压密封材料研究

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以Al2O3和Al微粉为主要原料,采用流延成型工艺生产的Al2O3基密封材料,在模拟的平板式ITSOFC密封环境中对材料的密封性能进行测试,并借助X射线衍射仪、扫描电子显微镜对测试后的材料进行表征.结果表明,采用优化的流延成型工艺可以生产出柔韧性良好的Al2O3基密封材料.Al2O3基密封材料在较小的外加压力下表现出较好的密封性能.Al微粉的加入,减少了材料中的漏气通道,增加了漏气通道的弯曲程度,不仅提升了材料的密封效果,而且改善了材料的中期稳定性.采用流延成型含10wt%-20wt%Al微粉的Al2O3
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