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首页> 外文会议>International Conference on Advanced Ceramics and Composites >DETERMINATION OF FRACTURE STRENGTH OF GLASS-CERAMIC SEALANT USED IN SOFC
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DETERMINATION OF FRACTURE STRENGTH OF GLASS-CERAMIC SEALANT USED IN SOFC

机译：SOFC中使用的玻璃陶瓷密封剂的裂缝强度的测定

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摘要

The sealant is an integral component of SOFC and its integrity is very crucial for the functionality of the cell. Any damage or failure of this component may result in total operational failure of the fuel cell system. The measurement of the fracture strength of the sealant is needed in the design against failure of this component. A controlled buckling technique is used to determine the fracture strength of the sealant by axially compressing a thin ceramic substrate supporting the sealing glass-ceramic film. A simple set-up is made to measure the applied compressive displacement at failure. Using the quantity measured during the experiment, the curvature and film strength are determined using buckling theory. The fracture toughness is estimated to be ~ 3.07MPam~(1/2) .
机译：密封剂是SOFC的一体组分，其完整性对于细胞的功能非常重要。该组件的任何损坏或故障可能导致燃料电池系统的总操作失败。在该组分衰竭的设计中需要测量密封剂的断裂强度。通过轴向压缩支撑密封玻璃膜膜的薄陶瓷基板，使用受控屈曲技术来确定密封剂的断裂强度。使简单的设置是为了测量失败时的应用压缩位移。使用在实验期间测量的量，使用屈曲理论确定曲率和膜强度。估计断裂韧性为〜3.07Mpam〜（1/2）。

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