Preliminary investigation of Guy alloy as a turbojet-engine bucket material for use at 1650 degrees F

Signorelli, R A Johnston, J R Weeton, J W
naca-rm-e56i19
November 29, 1956


As-cast buckets of Guy alloy, a cast nickel-base material, were run in a J33-9 turbojet engine for cycles of 15 minutes at rated speed and 5 minutes at idle speed. Stress rupture, impace and engine-performance data indicate that Guy alloy may be considered for bucket use at a temperature of 1650 degrees F. Ductility and impact strength of Guy alloy is limited but appears to be adequate for bucket applications.

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