| 摘要 |
In an electrode for a plasma arc torch, an electrode member (1) composed of either one of homologous elements of hafnium, zirconium or titanium, or a mixed material of these elements is embedded into a front end portion of an electrode body (1a) and brazed and joined thereto by a brazing material, the electrode is characterized in that the electrode member and the electrode body are brazed by a brazing material (14a) including no copper component. <IMAGE> |
