Rolls-royce Corporation

Illinois Institute of Technology

Sammy Tin

Randolph Clifford Helmink

Robert J Mitchell

Nickel-base superalloys having gamma prime strengthening precipitates in a gamma matrix and little or no tertiary incoherent phases, such as delta, delta variants and eta.

High temperature niobium-bearing superalloys

A ternary nickel eutectic alloy consisting of 4.5 to 11 wt % chromium, 1 to 6 wt % cobalt, 1 to 4 wt % aluminum, 0 to 1.5 wt % titanium, 0 to 3 wt % tantalum, 16 to 22 wt % niobium, 0 to 3 wt % molybdenum, 0 to 4 wt % tungsten, 0 to 1 wt % hafnium, 0 to 0.1 wt % zirconium, 0 to 0.1 wt % silicon, 0.01 to 0.1 wt % carbon, 0 to 0.01 wt % boron and the balance nickel plus incidental impurities.

Growing community of inventors

Wheaton, IL, United States of America

Sammy Tin