JOM

, Volume 69, Issue 5, pp 893–899

Validating a Model for Welding Induced Residual Stress Using High-Energy X-ray Diffraction

  • J. C. Mach
  • C. J. Budrow
  • D. C. Pagan
  • J. P. C. Ruff
  • J.-S. Park
  • J. Okasinski
  • A. J. Beaudoin
  • M. P. Miller
Article

Abstract

Integrated computational materials engineering (ICME) provides a pathway to advance performance in structures through the use of physically-based models to better understand how manufacturing processes influence product performance. As one particular challenge, consider that residual stresses induced in fabrication are pervasive and directly impact the life of structures. For ICME to be an effective strategy, it is essential that predictive capability be developed in conjunction with critical experiments. In the present work, simulation results from a multi-physics model for gas metal arc welding are evaluated through x-ray diffraction using synchrotron radiation. A test component was designed with intent to develop significant gradients in residual stress, be representative of real-world engineering application, yet remain tractable for finely spaced strain measurements with positioning equipment available at synchrotron facilities. The experimental validation lends confidence to model predictions, facilitating the explicit consideration of residual stress distribution in prediction of fatigue life.

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Copyright information

© The Minerals, Metals & Materials Society 2017

Authors and Affiliations

  • J. C. Mach
    • 1
  • C. J. Budrow
    • 2
  • D. C. Pagan
    • 3
  • J. P. C. Ruff
    • 3
  • J.-S. Park
    • 5
  • J. Okasinski
    • 5
  • A. J. Beaudoin
    • 3
    • 4
    • 6
  • M. P. Miller
    • 2
    • 3
    • 4
  1. 1.Caterpillar Inc.PeoriaUSA
  2. 2.Sibley School of Mechanical and Aerospace EngineeringCornell UniversityIthacaUSA
  3. 3.Cornell High Energy Synchrotron SourceIthacaUSA
  4. 4.(Insitµ@CHESS)IthacaUSA
  5. 5.Advanced Photon SourceArgonne National LaboratoryLemontUSA
  6. 6.University of Illinois at Urbana-ChampaignUrbanaUSA

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