TECHNICAL PAPERS: Gas Turbines: Structures and Dynamics

Critical Plane Fatigue Modeling and Characterization of Single Crystal Nickel Superalloys

[+] Author and Article Information
Rajiv A. Naik, Daniel P. DeLuca, Dilip M. Shah

Pratt & Whitney, 400 Main Street, East Hartford, CT 06108

J. Eng. Gas Turbines Power 126(2), 391-400 (Jun 07, 2004) (10 pages) doi:10.1115/1.1690768 History: Received December 01, 2001; Revised March 01, 2002; Online June 07, 2004
Copyright © 2004 by ASME
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Grahic Jump Location
Octahedral 〈111〉 planes and 〈110〉 family of slip directions for a single crystal
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Plan view of octahedral 〈111〉 planes and 〈110〉 family of slip directions
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Definition of Laue angles δ, β, γ, and ψ
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SEM photo showing ridge HCF initiation
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Max cyclic stress versus life, 1100°F and R=0.1
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Findley parameter versus life, 1100°F and R=0.1
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Walls parameter versus life, 1100°F and R=0.1
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Fatemi-Socie-Kurath parameter, 1100°F, R=0.1
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Max shear stress range, 1100°F and R=0.1
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Chu-Conle-Bonnen parameter, 1100°F and R=0.1
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McDiarmid parameter, 1100°F and R=0.1




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