Patent ID: 8221901

Claim:
A heat resistant material wherein on an Ni-based superalloy having a composition containing Al: not less than 1.0 wt % to not more than 10.0 wt %, Ta: not less than 0 wt % to not more than 14.0 wt %, Mo: not less than 0 wt % to not more than 10.0 wt %, W: not less than 0 wt % to not more than 15.0 wt %, Re: not less than 0 wt % to not more than 10.0 wt %, Hf: not less than 0 wt % to not more than 3.0 wt %, Cr: not less than 0 wt % to not more than 20.0 wt %, Co: not less than 0 wt % to not more than 20 wt %, Ru: not less than 0 wt % to not more than 14.0 wt %, Nb: not less than 0 wt % to not more than 4.0 wt %, Si: not less than 0 wt % to not more than 2.0 wt %, and the remainder consisting of Ni and unavoidable impurities, a coating material having a composition containing Al: not less than 6.1 wt % to not more than 10.6 wt %, Ta: not less than 0 wt % to not more than 10.5 wt %, Mo: not less than 0 wt % to not more than 3.9 wt %, W: not less than 0 wt % to not more than 8.2 wt %, Re: not less than 0 wt % to not more than 3.4 wt %, Ti: not less than 0 wt % to not more than 1.7 wt %, Hf: not less than 0 wt % to not more than 1.15 wt %, Cr: not less than 0.4 wt % to not more than 6.0 wt %, Co: not less than 3.2 wt % to not more than 10.2 wt %, Ru: not less than 0 wt % to not more than 6.2 wt %, Nb: not less than 0 wt % to not more than 1.5 wt %, Si: not less than 0 wt % to not more than 1.0 wt %, Y: not less than 0 wt % to not more than 1.0 wt %, La: not less than 0 wt % to not more than 1.0 wt %, Ce: not less than 0 wt % to not more than 1.0 wt %, Zr: not less than 0 wt % to not more than 1.0 wt %, and the remainder consisting of Ni and unavoidable impurities, is coated.