Effects of Vibration Energy Input on Stress Concentration in Weld and Heat-Affected Zone of S355J2 Steel

Abstract:

The existence of residual stresses induced by the welding process is an important reason of cracking and distortion in welded metal structures that may affect the fatigue life and dimensional stability significantly [1]. Heat treatment is one of the traditional methods to relieve the residual stresses. But it is often limited by the manufacturing condition and the size of the structures. In this paper a procedure called vibratory stress relief (VSR) is discussed. VSR is the process to reduce and re-distribute the internal residual stresses of welded structures by means of weldment mechanical vibration during welding. Parameters of VSR procedure are described in the paper. Residual stresses on weld bead are measured in three different specimens by X-ray diffraction method. Mechanical tests of welded specimens were also performed with purpose to evaluate VSR effect in weld metal and heat affected zone (HAZ).

• Periodical: Solid State Phenomena (Volume 165)
• Pages: 73-78
• DOI: https://doi.org/10.4028/www.scientific.net/SSP.165.73
• Online since: June 2010
• Authors: Aurimas Jurčius, Algirdas Vaclovas Valiulis, Olegas Černašejus
• Keywords: Residual Stress, Thermal Treatment, Vibratory Stress Relief, Weld Joint

References

[1] D. Radaj: Welding residual stresses and distortion (DVS-Verl 2003), pp.5-14.

[2] K. Masubuchi: Residual stresses and distortion. Metals Handbook, 10th ed., Vol 6, Welding, brazing, and soldering (ASM 1993) pp.2648-2663.

DOI: 10.31399/asm.hb.v06.a0001475

[3] W. F. Hahn: Vibratory Residual Stress Relief and Modification in Metals to Conserve Resources and Prevent Pollution (Diss. Alfred University, 2002).

[4] R. Claxton, A. Bentley: Vibratory Stress Relief - Recent Developments. In: Metallurgia, Vol. 66, No 5, (1999), p.49, 51, 53.

[5] CR ISO/TR 17663: 2001 Welding. Guidelines for quality requirements for heat treatment in connection with welding and allied processes.

DOI: 10.3403/02312221u

[6] LST EN 876: 1998 Destructive tests on welds in metallic materials - Longitudinal tensile test on weld metal in fusion welded joints.

DOI: 10.3403/00656107u

[7] LST EN 875: 1998 Destructive tests on welds in metallic materials - Impact tests - Test specimen location, notch orientation and examination.

DOI: 10.3403/30230928u

[8] I. C Noyan, J.B. Cohen: Residual Stress, Measurement by Diffraction and Interpretation (New York 1997), pp.112-121.

[9] A. Jurčius, A.V. Valiulis, V. Kumšlytis: Vibratory stress relieving - it's advantages as an alternative to thermal treatment. Journal of Vibroengineering, Vol. 10, Iss. 1 (2008), p.123127.

[10] A. Jurčius, A. V. Valiulis, V. Kumšlytis: Vibrational conditioning of metals is the alternative to classical thermal stress relief. Proc. of 13th International conference Mechanika 2008, (Kaunas 2008), pp.202-206.

[11] A. Jurčius, A.V. Valiulis: Reduce of material residual stresses using vibration energy. Proc. of 7th International Conference Vibroengineering-2008, (Kaunas 2008), pp.50-54.