| 摘要 |
There are provided a ceramic joined body having high joining strength and a flow passage body including the ceramic joined body and provided with a fluid passage. A ceramic joined body (10) includes a first silicon-carbide based sintered body (1); and a second silicon-carbide based sintered body (2), the first silicon-carbide based sintered body (1) and the second silicon-carbide based sintered body (2) being joined together by a joining layer (3), the joining layer (3) being coated by a first coating layer (4) containing metallic silicon as a main component, the first coating layer (4) being disposed over the first silicon-carbide based sintered body (1) and the second silicon-carbide based sintered body (2). Further, a flow passage body (15) includes the ceramic joined body (10) provided with a passage. |
