| abstract |
(57) [Summary] [Object] To provide an electrode material for plasma arc discharge, which is suitable for use in processing such as fusing, melting, high temperature decomposition, and waste treatment using a plasma heat source. [Structure] A tantalum carbide or a plasma arc electrode material obtained by adding one or more selected from tantalum, hafnium carbide and lanthanum boride to tantalum carbide. This electrode material can be manufactured by plasma sintering. |