nt superalloysUS4101715 *9 juin 197718 juil. 1978General Electric CompanyHigh temperature oxidation and corrosion resistanceUS4123594 *22 sept. 197731 oct. 1978General Electric CompanyOuter coating of chromium and at least one of the elements iron, cobalt and nickel and an outer portion including aluminum and an element selected from hafnium, platinum, rhodium and palladiumUS4123595 *22 sept. 1977