| 摘要 |
An Ir-based alloy material or Ru-based alloy material containing in Ir or Ru at least one member of Al, Sc, Ti, V, Cr, Mn, Y, Zr, Nb, Mo, Tc, Hf, Ta, W, and Re in such an amount that a precipitation phase is not formed, wherein the Ir-based alloy material or Ru-based alloy material has a surface uniformly covered with an IrAl intermetallic compound film or a RuAl intermetallic compound film. |
