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FD&E Total Life T-Sample Residual Stress Analytical Predictions and Measured Results
Technical Paper
2019-01-0528
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
The Society of Automotive Engineers Fatigue Design & Evaluation Committee [SAE FD&E] is actively working on a total life project for weldments, in which the welding residual stress is a key contributor to an accurate assessment of fatigue life. Physics-based welding process simulation and various types of residual stress measurements were pursued to provide a representation of the residual stress field at the failure location in the fatigue samples. A well-controlled and documented robotic welding process was used for all sample fabrications to provide accurate inputs for the welding simulations. One destructive (contour method) residual stress measurement and several non-destructive residual stress measurements-surface X-ray diffraction (XRD), energy dispersive X-ray diffraction (EDXRD), and neutron diffraction (ND)-were performed on the same or similarly welded samples. The sample is constructed with multiple-pass fillet welds, which induce large residual stress gradients through the one-inch thickness. The simulation and measurement comparisons focus on a through-thickness line in the middle of the T-Joint sample, where the maximum loading and residual stresses occur.
The residual stress profile changes from tensile to compressive and back to tensile through the mid-section thickness. The simulations capture the trend in the residual stress field and a similar magnitude as the measurement through most of the sample thickness. The measurement results show agreement in regions where the simulations are not as well aligned to the measurements. Further discussion on the sensitivity of the fatigue analysis to the residual stress field selected and the accuracy of the fatigue analysis results is included in an adjoining paper and presentation.
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Authors
- Justin Mach - Caterpillar Inc.
- Casey Gales - Deere & Company
- Jun-Sang Park - Argonne National Laboratory
- John Okasinski - Argonne National Laboratory
- Christopher Budrow - Cornell University
- Armand Beaudoin - Cornell University
- Kenneth Swartz - University of Illinois Urbana-Champaign
- Matthew Miller - Cornell University
- Thomas Gnaupel-Herold - NIST Center for Neutron Research
Citation
Mach, J., Gales, C., Park, J., Okasinski, J. et al., "FD&E Total Life T-Sample Residual Stress Analytical Predictions and Measured Results," SAE Technical Paper 2019-01-0528, 2019, https://doi.org/10.4271/2019-01-0528.Data Sets - Support Documents
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References
- Conle , F.A. Crack Initiation and Propagation Fatigue Life Prediction for an A36 Steel Welded Plate Specimen SAE Technical Paper 2019-01-0538 2019 10.4271/2019-01-0538
- Cordes , T. , Munson , K. , Norton , E. , and Brown , H. Comparison of Total Fatigue Life Predictions of Welded and Machined A36 Steel T-Joints SAE Technical Paper 2019-01-0527 2019 10.4271/2019-01-0527
- Dawson , M.I. Modelling and Analysis of Welding Processes in Abaqus Using the Virtual Fabrication Technology (VFT) Analysis Software Developed by Battelle and Caterpillar Inc Abaqus Users' Conference Newport 2008
- Gnäupel-Herold , T. Journal of Applied Crystallography 45 3 573 574
- He , B.B. Two-Dimensional X-Ray Diffraction New Jersey John Wiley & Sons, Inc 2009
- Huffman , P. Accounting for Geometry and Residual Stresses in Weld Fatigue: a Strain Energy Density Approach to Total Life of Welded T-Specimens SAE Technical Paper 2019-01-0523 2019 10.4271.2019-01-0523
- Luecke , W.E. , David McColskey , J. , McCowan , C.N. , Banovic , S.W. et al. Federal Building and Fire Safety Investigation of the World Trade Center Disaster Washington, DC Materials Science and Engineering Laboratory, National Institute of Standards and Technology 2005
- Mohan , J. Demo X-Ray Diffraction Service Report Measured Data 2017
- Norton , E. , Blodig , R. , Lister , M. , and Cordes , T. Testing of Welded and Machined A36 Steel T-Joint Configuration Specimens SAE Technical Paper 2019-01-0535 2019 10.4271/2019-01-0535
- Prime , M.B. and DeWald , A.T. The Contour Method Wiley Online Library 2013
- Robertson , J. SAE FD&E Simufact and MSC Software Total Life T-Joint Welding Simulation 2018 http://www.fatigue.org/meeting-archive/previous-meeting-agendas-minutes-and-presentations-2012-current/spring-2018-eden-prairie/
- Smith , M.C. , Ohms , C. , Smith , A. , and Wimpory , R. A Review of the Net TG4 International Weld Residual Stress Benchmark ASME Pressure Vessels & Piping Conference Boston, Massachusetts 2015
- Yang , Y. P. , Brust , F.W. , and Cao , Z. Virtual Fabrication Technology Weld Modeling Tool and its Applications in Distortion Predictions Brust , F.W. ASME Pressure Vessels and Piping Conference Cleveland ASME 2003 29 33