Validation of Inelastic Analysis by Full-Scale Component Testing

[+] Author and Article Information
D. S. Griffin, A. K. Dhalla, W. S. Woodward

Westinghouse Electric Corporation, Advanced Energy Systems Division, Madison, Pa. 15663

J. Pressure Vessel Technol 109(1), 42-49 (Feb 01, 1987) (8 pages) doi:10.1115/1.3264854 History: Received February 25, 1986; Revised June 26, 1986; Online November 05, 2009


This paper compares theoretical and experimental results for full-scale, prototypical components tested at elevated-temperatures to provide validation for inelastic analysis methods, material models, and design limits. Results are discussed for piping elbow plastic and creep buckling, creep ratcheting, and creep relaxation; nozzle creep ratcheting and weld cracking; and thermal striping fatigue. Comparisons between theory and test confirm the adequacy of components to meet design requirements, but identify specific areas where life prediction methods could be made more precise.

Copyright © 1987 by ASME
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