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GREEN HONEYCOMB MOLDING DEFECT EXAMINATION METHOD, GREEN HONEYCOMB STRUCTURE MANUFACTURING METHOD, AND GREEN HONEYCOMB MOLDING DEFECT EXAMINATION DEVICE
GREEN HONEYCOMB MOLDING DEFECT EXAMINATION METHOD, GREEN HONEYCOMB STRUCTURE MANUFACTURING METHOD, AND GREEN HONEYCOMB MOLDING DEFECT EXAMINATION DEVICE
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机译:绿色蜂窝成型缺陷检测方法,绿色蜂窝结构制造方法以及绿色蜂窝成型缺陷检测装置
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摘要
Disclosed is a method of examining defects in a green honeycomb molding having partition walls which form a plurality of flow channels extending in parallel with one another, and sealing portions which close the upper ends of some of the plurality of flow channels and the lower ends of the rest flow channels. The method includes a step of applying pressure to the lower ends of the plurality of flow channels using gas, and a step of visualizing the distribution of gas refractive indexes near the upper ends of the plurality of flow channels.
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