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A Spatial Resolution of Residual Stress Measurements Using the Deep Hole Drilling Technique

[+] Author Affiliations
Alexandros Skouras, Martyn J. Pavier, Anton Shterenlikht

University of Bristol, Bristol, UK

Paper No. PVP2010-25944, pp. 1477-1482; 6 pages
doi:10.1115/PVP2010-25944
From:
  • ASME 2010 Pressure Vessels and Piping Division/K-PVP Conference
  • ASME 2010 Pressure Vessels and Piping Conference: Volume 6, Parts A and B
  • Bellevue, Washington, USA, July 18–22, 2010
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 978-0-7918-49255 | eISBN: 978-0-7918-3878-5
  • Copyright © 2010 by ASME

abstract

This paper describes a study of the ability of the DHD technique to measure the spatial distribution of residual stresses. A two dimensional finite element model of a metal plate has been generated together with a representative state of residual stress. A simulation of the DHD technique is then carried out to provide a series of measurements of the residual stress which can be compared with the known residual stress. This simulation allows the effect of the varying trepan diameters on the accuracy of the DHD technique to be explored. The results of the simulation show that the DHD technique can be used to measure residual stress with a high accuracy, but the increase in the trepan diameter introduce some errors. Suggestions and techniques for reducing these errors are presented.

Copyright © 2010 by ASME

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