The Development of a Turbine Wheel Design Criterion Based Upon Fracture Mechanics

[+] Author and Article Information
D. E. Brandt

Gas Turbine Department, General Electric Company, Schenectady, N. Y.

J. Eng. Power 93(4), 411-417 (Oct 01, 1971) (7 pages) doi:10.1115/1.3445600 History: Received December 21, 1970; Online July 14, 2010


The development of a design criterion based upon fracture mechanics is described in detail. Specifically treated are crack tip plastic zone corrections, proximity effects on a crack adjacent to a free surface, buried and surface cracks, subcritical crack growth, and the effects of a biaxial stress state. Also included is the application of the criterion in predicting several rotor failures.

Copyright © 1971 by ASME
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