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Optimum Design in Cylindrical and Spherical Autofrettaged-Treated Components

[+] Author Affiliations
R. Adibi-Asl

Memorial University of Newfoundland, St. John’s, NL, Canada

Paper No. PVP2005-71586, pp. 73-81; 9 pages
  • ASME 2005 Pressure Vessels and Piping Conference
  • Volume 5: High Pressure Technology, Nondestructive Evaluation, Pipeline Systems, Student Paper Competition
  • Denver, Colorado, USA, July 17–21, 2005
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 0-7918-4190-1 | eISBN: 0-7918-3763-7
  • Copyright © 2005 by ASME


Autofrettage-treated components are used in application with both static and cyclic loading conditions. Therefore, finding the optimum autofrettage design for these two different conditions is needed. This paper shows a study on the optimum autofrettage level and pressure in cylindrical and spherical components, considering both strength and fatigue design analysis. Bilinear material model with Bauschinger effect is used in this study. The results verify the significant influence of Bauschinger effect on the strength and fatigue life of autofrettage-treated pressure components.

Copyright © 2005 by ASME
Topics: Design



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