Finite element stress analysis has been performed to determine the effects of two O.D. notch configurations in a cylinder subjected to internal pressure, or containing autofrettage residual stress. The effects on the residual stresses were determined by simulating these stresses with equivilent temperature loads. The results show that the deeper of the two notch cofigurations is far more severe resulting in a maximum stress concentration factor of 6.6. The shallower notch has a maximum stress concentration factor of 3.7. An additional result is that by introducing notches in autofrettaged cylinders a significant amount of the residual stresses are relieved which indicates that smaller applied pressures can be applied before yielding occurs. The results also show that the possibility of O.D. initiated fatigue failure is greatly increased.
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February 1981
Research Papers
Stress Analysis of O.D. Notched Thick-Walled Cylinders Subjected to Internal Pressure or Thermal Loads
J. A. Kapp,
J. A. Kapp
U.S. Army Armament Research and Development Command, Benet Weapons Laboratory, LCWSL, Watervliet, NY 12189
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G. A. Pflegl
G. A. Pflegl
U.S. Army Armament Research and Development Command, Benet Weapons Laboratory, LCWSL, Watervliet, NY 12189
Search for other works by this author on:
J. A. Kapp
U.S. Army Armament Research and Development Command, Benet Weapons Laboratory, LCWSL, Watervliet, NY 12189
G. A. Pflegl
U.S. Army Armament Research and Development Command, Benet Weapons Laboratory, LCWSL, Watervliet, NY 12189
J. Pressure Vessel Technol. Feb 1981, 103(1): 76-84 (9 pages)
Published Online: February 1, 1981
Article history
Received:
January 11, 1980
Revised:
July 2, 1980
Online:
November 5, 2009
Citation
Kapp, J. A., and Pflegl, G. A. (February 1, 1981). "Stress Analysis of O.D. Notched Thick-Walled Cylinders Subjected to Internal Pressure or Thermal Loads." ASME. J. Pressure Vessel Technol. February 1981; 103(1): 76–84. https://doi.org/10.1115/1.3263373
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