Aluminium Oxide Forming Nickel Based Alloy

摘要

Nickel based alloy intended for use at high temperatures wherein it comprises in percent by weight (wt-%) C 0.05-0.2, Si max 1.5, Mn max 0.5, Cr 15-20, Al 4-6, Fe 15-25, Co max 10, N 0.03-0.15, O max 0.5, one or more elements selected from the group consisting of Ta, Zr, Hf, Ti and Nb 0.25-2.2, one or more elements selected from the group consisting of REM max 0.5, balance Ni, and normally occurring impurities.

主权项

1. Dispersion strengthened nickel based alloy comprising in percent by weight (wt-%)C0.05-0.2 Simax 1.5Mnmax 0.5Cr15-20Al4-6Fe15-25Comax 10N0.03-0.15Omax 0.5one or more elements selected from0.25-2.2 the group consisting of Ta, Zr, Hf, Ti and Nbone or more elements selected frommax 0.5the group consisting of REMbalance Ni and normally occurring impurities,wherein the dispersion strengthened nickel based alloy includes dispersed particles having a composition that includes C or N and one or more elements selected from the group consisting of Ta, Zr, Hf, Ti and Nb, and wherein the dispersed particles have an average diameter of less than 0.5 μm.