Advertisement

Journal of Mechanical Science and Technology

, Volume 32, Issue 9, pp 4345–4356 | Cite as

Effect of welding residual stress redistribution on the Charpy absorbed energy

  • Zhaorui Yang
  • Sangyul Ha
  • Bum-Suk Jang
  • Yongseog Lee
Article

Abstract

Small specimens enclosing the welded joint are cut out when inspection for the welded joint is carried out. The cutting, however, always leads to the redistribution of residual stresses developed in the original welded joint. This study investigated the difference between the primary and secondary absorbed energy of the welded joint. The primary absorbed energy is the absorbed energy when as-weld residual stress (RS) is present. The secondary absorbed energy indicates the absorbed energy when as-weld RS in the welded joint was redistributed by the wire-cutting (WC) process. Finite element (FE) simulation of the plate welding, WC, and Charpy V-notch (CVN) test was performed to examine the effect of residual stress redistribution on the absorbed energy. Results showed that the secondary absorbed energy was, on an average, 7.8 % lower than the primary absorbed energy. This difference indicates that the primary absorbed energy of the welded joint has been underestimated from the perspective of an inspector. The difference in primary and secondary absorbed energy may not be negligible when designing large welded structures such as large pipelines.

Keywords

As-weld residual stress Redistribution of as-weld residual stress Wire cutting Charpy absorbed energy FE simulation 

Preview

Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

References

  1. [1]
    J. Altenkirch, A. Steuwer, M. J. Peel and P. J. Withers, The extent of relaxation of weld residual stresses on cutting out cross-weld test-pieces, Powder Diffraction, 24 (2009) 31–36.CrossRefGoogle Scholar
  2. [2]
    V. Dattoma, M. D. Giorgi and R. Nobile, On the evolution of welding residual stress after milling and cutting machining, Composite Structure, 84 (2006) 1965–1976.CrossRefGoogle Scholar
  3. [3]
    W. Jiang, W. Woo, G. B. An and J. U. Park, Neutron diffract tion and finite element modeling to study the weld residual stress relaxation induced by cutting, Materials & Design, 51 (2013) 415–420.CrossRefGoogle Scholar
  4. [4]
    M. B. Prime, G. H Thomas, J. A. Baumann, R. J. Lederich, D. M. Bowden and R. J. Sebring, Residual stress measurements in a thick, dissimilar aluminum alloy friction stir weld, Acta Materialia, 54 (2006) 4013–4021.CrossRefGoogle Scholar
  5. [5]
    C. Liu, J. Zhang, B. Wua and S. Gong, Numerical investigation on the variation of welding stresses after material removal from a thick titanium alloy plate joined by electron beam welding, Materials & Design, 34 (2012) 609–617.CrossRefGoogle Scholar
  6. [6]
    V. I. Monin, R. T. Lopes, S. N. Turibus, J. C. P. Filho and J. T. D. Assis, X-Ray diffraction technique applied to study of residual stresses after welding of duplex stainless steel plates, Materials Research, 17 (2014) 64–69.CrossRefGoogle Scholar
  7. [7]
    Stress tech Oy FINLAND, www.Stresstechgroup.com.Google Scholar
  8. [8]
    I. C. Noyan and J. B. Cohen, Residual stress-measurement by diffraction and interpretation, Springer (1987).Google Scholar
  9. [9]
    ASTM SEC.II SA370, Standard test methods and definetions for mechanical testing of steel products, ASTM (2010).Google Scholar
  10. [10]
    F. Kong and R. Kovacevic, 3D finite element modeling of the thermally induced residual stress in the hybrid laser/arc welding of lap joint, Journal of Materials Processing Technology, 210 (6) (2010) 941–950.CrossRefGoogle Scholar
  11. [11]
    M. J. Attarha and I. Sattari-Far, Study on welding temperature distribution in thin welded plates through experimental measurements and finite element simulation, Journal of Materials Processing Technology, 211 (4) (2011) 688–694.CrossRefGoogle Scholar
  12. [12]
    J. Goldak, M. Bibby, J. Moore, R. House and B. Patel, Computer modeling of heat flow in welds, Metallurgical and Materials Transactions B, 17 (1986) 587–600.CrossRefGoogle Scholar
  13. [13]
    L. Borjesson and L. E. Lindgren, Simulation of multipass welding with simultaneous computation of material properties, Journal of Engineering Materials and Technology, 123 (1) (2001) 106–111.CrossRefGoogle Scholar
  14. [14]
    P. Ferro, H. Porzner, A. Tiziani and F. Bonollo, The influence of phase transformations on residual stresses induced by the welding process—3D and 2D numerical models, Modelling and Simulation in Materials Science and Engineering, 14 (2) (2006) 117–136.CrossRefGoogle Scholar
  15. [15]
    Material properties for Davis-Besse Unit 1. RCP suction, RCP discharge, Cold Leg drain and core flood nozzles preemptive weld overlay repairs, Structural Integrity Associates, Inc. (2009).Google Scholar
  16. [16]
    S. Das, M. Klotz and F. Klocke, EDM simulation: Finite element-based calculation of deformation, microstructure and residual stresses, Journal of Materials Processing Technology, 142 (2) (2003) 434–451.CrossRefGoogle Scholar
  17. [17]
    H. K. Kansal, S. Singh and P. Kumar, Numerical simulation of powder mixed electric discharge machining (PMEDM) using finite element method, Mathematical and Computer Modelling, 47 (11) (2008) 1217–1237.CrossRefzbMATHGoogle Scholar
  18. [18]
    H. Brooks and D. Aitchison, Using the finite element method to determine the temperature distributions in hot-wire polystyrene cutting, RDPM 12th (2011).Google Scholar
  19. [19]
    G. R. Cowper and P. S. Symonds, Strain hardening and strain rate effects in the impact loading of cantilever beams, Applied Mechanics Report, Brown Univ. (1958) 28.Google Scholar
  20. [20]
    B. Tanguy, R. Piques, L. Laiarinandrasana and A. Pineau, Notch stress strain distribution in Charpy V specimen/experiments and modelling, ECF13 Sebastian (2000).Google Scholar
  21. [21]
    Y. Bao and T. Wierzbicki, On fracture locus in the equivalent strain and stress triaxiality space, International Journal of Mechanical Sciences, 46 (1) (2004) 81–98.CrossRefGoogle Scholar
  22. [22]
    Y. C. Jang, A study for crack stability assessment of direct vessel injection nozzle of reactor vessel considering crack path, Ph.D. Thesis, Chung-Ang University, Korea (2015).Google Scholar
  23. [23]
    J. W. Kim, K. Lee, J. S. Kim and T. S. Byun, Local mechanical properties of Alloy 82/182 dissimilar weld joint between SA508 Gr. 1a and F316 SS at RT and 320 C, Journal of Nuclear Materials, 384 (3) (2009) 212–221.CrossRefGoogle Scholar
  24. [24]
    A. P Reynolds, W. Tang, T. Gnaupel-Herold and H. Prask, Structure, properties, and residual stress of 304L stainless steel friction stir welds, Scripta Materialia, 48 (9) (2003) 1289–1294.CrossRefGoogle Scholar
  25. [25]
    C. H. Lee and K. H. Chang, Prediction of residual stresses in high strength carbon steel pipe weld considering solidstate phase transformation effects, Computer & Structures, 89 (2011) 256–265.CrossRefGoogle Scholar
  26. [26]
    V. G. Navas, I. Ferreres, J. A. Maranon, C. Garcia-Rosales and J. G. Sevillano, Electro-discharge machining (EDM) versus hard turning and grinding—Comparison of residual stresses and surface integrity generated in AISI O1 tool steel, Journal of Materials Processing Technology, 195 (1) (2008) 186–194.CrossRefGoogle Scholar

Copyright information

© The Korean Society of Mechanical Engineers and Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Zhaorui Yang
    • 1
  • Sangyul Ha
    • 2
  • Bum-Suk Jang
    • 3
  • Yongseog Lee
    • 3
  1. 1.School of Mechanics and Engineering ScienceZhengzhou UniversityZhengzhouChina
  2. 2.Corporate R&D InstituteSamsung Electro-MechanicsSuwonKorea
  3. 3.Dept. of Mechanical EngineeringChung-Ang UniversitySeoulKorea

Personalised recommendations