| 摘要 |
PROBLEM TO BE SOLVED: To provide a first wall component of a single block design that has required functions as the first wall component and suppresses the occurrence of cracks, separation, or the like. SOLUTION: The first wall component of a fusion reactor includes at least one heat shield made of a graphite material; and a cooling pipe made of copper or a copper alloy. In the heat shield, a tube segment is provided between the heat shield and the cooling pipe. The tube segment is connected to the heat shield at least in a partial region and is also connected to the cooling pipe via a layer containing copper. COPYRIGHT: (C)2007,JPO&INPIT
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